Commit Graph

1122670 Commits

Author SHA1 Message Date
Ritesh Harjani (IBM)
c547524852 fs/ntfs: drop useless return value of submit_bh from ntfs_submit_bh_for_read
submit_bh always returns 0. This patch drops the useless return value of
submit_bh from ntfs_submit_bh_for_read(). Once all of submit_bh callers are
cleaned up, we can make it's return type as void.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Ritesh Harjani <ritesh.list@gmail.com>
Link: https://lore.kernel.org/r/d82eb29e8dbc52fe13a7affef5c907ea4076aa31.1660788334.git.ritesh.list@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2022-09-29 23:01:40 -04:00
Ritesh Harjani (IBM)
f3ed5df398 jbd2: drop useless return value of submit_bh
submit_bh always returns 0. This patch cleans up 2 of it's caller
in jbd2 to drop submit_bh's useless return value.
Once all submit_bh callers are cleaned up, we can make it's return
type as void.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Link: https://lore.kernel.org/r/e069c0539be0aec61abcdc6f6141982ec85d489d.1660788334.git.ritesh.list@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2022-09-29 23:01:40 -04:00
Lalith Rajendran
3b575495ab ext4: make ext4_lazyinit_thread freezable
ext4_lazyinit_thread is not set freezable. Hence when the thread calls
try_to_freeze it doesn't freeze during suspend and continues to send
requests to the storage during suspend, resulting in suspend failures.

Cc: stable@kernel.org
Signed-off-by: Lalith Rajendran <lalithkraj@google.com>
Link: https://lore.kernel.org/r/20220818214049.1519544-1-lalithkraj@google.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2022-09-29 23:01:27 -04:00
Baokun Li
f9c1f24860 ext4: fix null-ptr-deref in ext4_write_info
I caught a null-ptr-deref bug as follows:
==================================================================
KASAN: null-ptr-deref in range [0x0000000000000068-0x000000000000006f]
CPU: 1 PID: 1589 Comm: umount Not tainted 5.10.0-02219-dirty #339
RIP: 0010:ext4_write_info+0x53/0x1b0
[...]
Call Trace:
 dquot_writeback_dquots+0x341/0x9a0
 ext4_sync_fs+0x19e/0x800
 __sync_filesystem+0x83/0x100
 sync_filesystem+0x89/0xf0
 generic_shutdown_super+0x79/0x3e0
 kill_block_super+0xa1/0x110
 deactivate_locked_super+0xac/0x130
 deactivate_super+0xb6/0xd0
 cleanup_mnt+0x289/0x400
 __cleanup_mnt+0x16/0x20
 task_work_run+0x11c/0x1c0
 exit_to_user_mode_prepare+0x203/0x210
 syscall_exit_to_user_mode+0x5b/0x3a0
 do_syscall_64+0x59/0x70
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
 ==================================================================

Above issue may happen as follows:
-------------------------------------
exit_to_user_mode_prepare
 task_work_run
  __cleanup_mnt
   cleanup_mnt
    deactivate_super
     deactivate_locked_super
      kill_block_super
       generic_shutdown_super
        shrink_dcache_for_umount
         dentry = sb->s_root
         sb->s_root = NULL              <--- Here set NULL
        sync_filesystem
         __sync_filesystem
          sb->s_op->sync_fs > ext4_sync_fs
           dquot_writeback_dquots
            sb->dq_op->write_info > ext4_write_info
             ext4_journal_start(d_inode(sb->s_root), EXT4_HT_QUOTA, 2)
              d_inode(sb->s_root)
               s_root->d_inode          <--- Null pointer dereference

To solve this problem, we use ext4_journal_start_sb directly
to avoid s_root being used.

Cc: stable@kernel.org
Signed-off-by: Baokun Li <libaokun1@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20220805123947.565152-1-libaokun1@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2022-09-29 10:39:04 -04:00
Josh Triplett
426d15ad11 ext4: don't run ext4lazyinit for read-only filesystems
On a read-only filesystem, we won't invoke the block allocator, so we
don't need to prefetch the block bitmaps.

This avoids starting and running the ext4lazyinit thread at all on a
system with no read-write ext4 filesystems (for instance, a container VM
with read-only filesystems underneath an overlayfs).

Fixes: 21175ca434 ("ext4: make prefetch_block_bitmaps default")
Signed-off-by: Josh Triplett <josh@joshtriplett.org>
Reviewed-by: Lukas Czerner <lczerner@redhat.com>
Link: https://lore.kernel.org/r/48b41da1498fcac3287e2e06b660680646c1c050.1659323972.git.josh@joshtriplett.org
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2022-09-29 10:38:57 -04:00
Yang Xu
2d544ec923 ext4: remove deprecated noacl/nouser_xattr options
These two options should have been removed since 3.5, but none notices it.
Recently, I and Darrick found this. Also, have some discussion for this[1][2][3].

So now, let's remove them.

Link: https://lore.kernel.org/linux-ext4/6258F7BB.8010104@fujitsu.com/T/#u[1]
Link: https://lore.kernel.org/linux-ext4/20220602110421.ymoug3rwfspmryqg@fedora/T/#t[2]
Link: https://lore.kernel.org/linux-ext4/08e2ca4c8f6344bdcd76d75b821116c6147fd57a.camel@kernel.org/T/#t[3]
Signed-off-by: Yang Xu <xuyang2018.jy@fujitsu.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/1658977369-2478-1-git-send-email-xuyang2018.jy@fujitsu.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2022-09-29 10:38:57 -04:00
Jan Kara
4bb26f2885 ext4: avoid crash when inline data creation follows DIO write
When inode is created and written to using direct IO, there is nothing
to clear the EXT4_STATE_MAY_INLINE_DATA flag. Thus when inode gets
truncated later to say 1 byte and written using normal write, we will
try to store the data as inline data. This confuses the code later
because the inode now has both normal block and inline data allocated
and the confusion manifests for example as:

kernel BUG at fs/ext4/inode.c:2721!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 359 Comm: repro Not tainted 5.19.0-rc8-00001-g31ba1e3b8305-dirty #15
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.0-1.fc36 04/01/2014
RIP: 0010:ext4_writepages+0x363d/0x3660
RSP: 0018:ffffc90000ccf260 EFLAGS: 00010293
RAX: ffffffff81e1abcd RBX: 0000008000000000 RCX: ffff88810842a180
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc90000ccf650 R08: ffffffff81e17d58 R09: ffffed10222c680b
R10: dfffe910222c680c R11: 1ffff110222c680a R12: ffff888111634128
R13: ffffc90000ccf880 R14: 0000008410000000 R15: 0000000000000001
FS:  00007f72635d2640(0000) GS:ffff88811b000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000565243379180 CR3: 000000010aa74000 CR4: 0000000000150eb0
Call Trace:
 <TASK>
 do_writepages+0x397/0x640
 filemap_fdatawrite_wbc+0x151/0x1b0
 file_write_and_wait_range+0x1c9/0x2b0
 ext4_sync_file+0x19e/0xa00
 vfs_fsync_range+0x17b/0x190
 ext4_buffered_write_iter+0x488/0x530
 ext4_file_write_iter+0x449/0x1b90
 vfs_write+0xbcd/0xf40
 ksys_write+0x198/0x2c0
 __x64_sys_write+0x7b/0x90
 do_syscall_64+0x3d/0x90
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
 </TASK>

Fix the problem by clearing EXT4_STATE_MAY_INLINE_DATA when we are doing
direct IO write to a file.

Cc: stable@kernel.org
Reported-by: Tadeusz Struk <tadeusz.struk@linaro.org>
Reported-by: syzbot+bd13648a53ed6933ca49@syzkaller.appspotmail.com
Link: https://syzkaller.appspot.com/bug?id=a1e89d09bbbcbd5c4cb45db230ee28c822953984
Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Lukas Czerner <lczerner@redhat.com>
Tested-by: Tadeusz Struk<tadeusz.struk@linaro.org>
Link: https://lore.kernel.org/r/20220727155753.13969-1-jack@suse.cz
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2022-09-29 10:38:41 -04:00
Eric Whitney
d412df530f ext4: minor defrag code improvements
Modify the error returns for two file types that can't be defragged to
more clearly communicate those restrictions to a caller.  When the
defrag code is applied to swap files, return -ETXTBSY, and when applied
to quota files, return -EOPNOTSUPP.  Move an extent tree search whose
results are only occasionally required to the site always requiring them
for improved efficiency.  Address a few typos.

Signed-off-by: Eric Whitney <enwlinux@gmail.com>
Link: https://lore.kernel.org/r/20220722163910.268564-1-enwlinux@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2022-09-27 16:48:57 -04:00
Jerry Lee 李修賢
df3cb754d1 ext4: continue to expand file system when the target size doesn't reach
When expanding a file system from (16TiB-2MiB) to 18TiB, the operation
exits early which leads to result inconsistency between resize2fs and
Ext4 kernel driver.

=== before ===
○ → resize2fs /dev/mapper/thin
resize2fs 1.45.5 (07-Jan-2020)
Filesystem at /dev/mapper/thin is mounted on /mnt/test; on-line resizing required
old_desc_blocks = 2048, new_desc_blocks = 2304
The filesystem on /dev/mapper/thin is now 4831837696 (4k) blocks long.

[  865.186308] EXT4-fs (dm-5): mounted filesystem with ordered data mode. Opts: (null). Quota mode: none.
[  912.091502] dm-4: detected capacity change from 34359738368 to 38654705664
[  970.030550] dm-5: detected capacity change from 34359734272 to 38654701568
[ 1000.012751] EXT4-fs (dm-5): resizing filesystem from 4294966784 to 4831837696 blocks
[ 1000.012878] EXT4-fs (dm-5): resized filesystem to 4294967296

=== after ===
[  129.104898] EXT4-fs (dm-5): mounted filesystem with ordered data mode. Opts: (null). Quota mode: none.
[  143.773630] dm-4: detected capacity change from 34359738368 to 38654705664
[  198.203246] dm-5: detected capacity change from 34359734272 to 38654701568
[  207.918603] EXT4-fs (dm-5): resizing filesystem from 4294966784 to 4831837696 blocks
[  207.918754] EXT4-fs (dm-5): resizing filesystem from 4294967296 to 4831837696 blocks
[  207.918758] EXT4-fs (dm-5): Converting file system to meta_bg
[  207.918790] EXT4-fs (dm-5): resizing filesystem from 4294967296 to 4831837696 blocks
[  221.454050] EXT4-fs (dm-5): resized to 4658298880 blocks
[  227.634613] EXT4-fs (dm-5): resized filesystem to 4831837696

Signed-off-by: Jerry Lee <jerrylee@qnap.com>
Link: https://lore.kernel.org/r/PU1PR04MB22635E739BD21150DC182AC6A18C9@PU1PR04MB2263.apcprd04.prod.outlook.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2022-09-27 16:40:30 -04:00
Jan Kara
a078dff870 ext4: fixup possible uninitialized variable access in ext4_mb_choose_next_group_cr1()
Variable 'grp' may be left uninitialized if there's no group with
suitable average fragment size (or larger). Fix the problem by
initializing it earlier.

Link: https://lore.kernel.org/r/20220922091542.pkhedytey7wzp5fi@quack3
Fixes: 83e80a6e35 ("ext4: use buckets for cr 1 block scan instead of rbtree")
Cc: stable@kernel.org
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2022-09-26 13:21:05 -04:00
Theodore Ts'o
80fa46d6b9 ext4: limit the number of retries after discarding preallocations blocks
This patch avoids threads live-locking for hours when a large number
threads are competing over the last few free extents as they blocks
getting added and removed from preallocation pools.  From our bug
reporter:

   A reliable way for triggering this has multiple writers
   continuously write() to files when the filesystem is full, while
   small amounts of space are freed (e.g. by truncating a large file
   -1MiB at a time). In the local filesystem, this can be done by
   simply not checking the return code of write (0) and/or the error
   (ENOSPACE) that is set. Over NFS with an async mount, even clients
   with proper error checking will behave this way since the linux NFS
   client implementation will not propagate the server errors [the
   write syscalls immediately return success] until the file handle is
   closed. This leads to a situation where NFS clients send a
   continuous stream of WRITE rpcs which result in ERRNOSPACE -- but
   since the client isn't seeing this, the stream of writes continues
   at maximum network speed.

   When some space does appear, multiple writers will all attempt to
   claim it for their current write. For NFS, we may see dozens to
   hundreds of threads that do this.

   The real-world scenario of this is database backup tooling (in
   particular, github.com/mdkent/percona-xtrabackup) which may write
   large files (>1TiB) to NFS for safe keeping. Some temporary files
   are written, rewound, and read back -- all before closing the file
   handle (the temp file is actually unlinked, to trigger automatic
   deletion on close/crash.) An application like this operating on an
   async NFS mount will not see an error code until TiB have been
   written/read.

   The lockup was observed when running this database backup on large
   filesystems (64 TiB in this case) with a high number of block
   groups and no free space. Fragmentation is generally not a factor
   in this filesystem (~thousands of large files, mostly contiguous
   except for the parts written while the filesystem is at capacity.)

Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org
2022-09-22 10:51:19 -04:00
Luís Henriques
29a5b8a137 ext4: fix bug in extents parsing when eh_entries == 0 and eh_depth > 0
When walking through an inode extents, the ext4_ext_binsearch_idx() function
assumes that the extent header has been previously validated.  However, there
are no checks that verify that the number of entries (eh->eh_entries) is
non-zero when depth is > 0.  And this will lead to problems because the
EXT_FIRST_INDEX() and EXT_LAST_INDEX() will return garbage and result in this:

[  135.245946] ------------[ cut here ]------------
[  135.247579] kernel BUG at fs/ext4/extents.c:2258!
[  135.249045] invalid opcode: 0000 [#1] PREEMPT SMP
[  135.250320] CPU: 2 PID: 238 Comm: tmp118 Not tainted 5.19.0-rc8+ #4
[  135.252067] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.15.0-0-g2dd4b9b-rebuilt.opensuse.org 04/01/2014
[  135.255065] RIP: 0010:ext4_ext_map_blocks+0xc20/0xcb0
[  135.256475] Code:
[  135.261433] RSP: 0018:ffffc900005939f8 EFLAGS: 00010246
[  135.262847] RAX: 0000000000000024 RBX: ffffc90000593b70 RCX: 0000000000000023
[  135.264765] RDX: ffff8880038e5f10 RSI: 0000000000000003 RDI: ffff8880046e922c
[  135.266670] RBP: ffff8880046e9348 R08: 0000000000000001 R09: ffff888002ca580c
[  135.268576] R10: 0000000000002602 R11: 0000000000000000 R12: 0000000000000024
[  135.270477] R13: 0000000000000000 R14: 0000000000000024 R15: 0000000000000000
[  135.272394] FS:  00007fdabdc56740(0000) GS:ffff88807dd00000(0000) knlGS:0000000000000000
[  135.274510] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  135.276075] CR2: 00007ffc26bd4f00 CR3: 0000000006261004 CR4: 0000000000170ea0
[  135.277952] Call Trace:
[  135.278635]  <TASK>
[  135.279247]  ? preempt_count_add+0x6d/0xa0
[  135.280358]  ? percpu_counter_add_batch+0x55/0xb0
[  135.281612]  ? _raw_read_unlock+0x18/0x30
[  135.282704]  ext4_map_blocks+0x294/0x5a0
[  135.283745]  ? xa_load+0x6f/0xa0
[  135.284562]  ext4_mpage_readpages+0x3d6/0x770
[  135.285646]  read_pages+0x67/0x1d0
[  135.286492]  ? folio_add_lru+0x51/0x80
[  135.287441]  page_cache_ra_unbounded+0x124/0x170
[  135.288510]  filemap_get_pages+0x23d/0x5a0
[  135.289457]  ? path_openat+0xa72/0xdd0
[  135.290332]  filemap_read+0xbf/0x300
[  135.291158]  ? _raw_spin_lock_irqsave+0x17/0x40
[  135.292192]  new_sync_read+0x103/0x170
[  135.293014]  vfs_read+0x15d/0x180
[  135.293745]  ksys_read+0xa1/0xe0
[  135.294461]  do_syscall_64+0x3c/0x80
[  135.295284]  entry_SYSCALL_64_after_hwframe+0x46/0xb0

This patch simply adds an extra check in __ext4_ext_check(), verifying that
eh_entries is not 0 when eh_depth is > 0.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=215941
Link: https://bugzilla.kernel.org/show_bug.cgi?id=216283
Cc: Baokun Li <libaokun1@huawei.com>
Cc: stable@kernel.org
Signed-off-by: Luís Henriques <lhenriques@suse.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Baokun Li <libaokun1@huawei.com>
Link: https://lore.kernel.org/r/20220822094235.2690-1-lhenriques@suse.de
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2022-09-22 10:50:54 -04:00
Jan Kara
83e80a6e35 ext4: use buckets for cr 1 block scan instead of rbtree
Using rbtree for sorting groups by average fragment size is relatively
expensive (needs rbtree update on every block freeing or allocation) and
leads to wide spreading of allocations because selection of block group
is very sentitive both to changes in free space and amount of blocks
allocated. Furthermore selecting group with the best matching average
fragment size is not necessary anyway, even more so because the
variability of fragment sizes within a group is likely large so average
is not telling much. We just need a group with large enough average
fragment size so that we have high probability of finding large enough
free extent and we don't want average fragment size to be too big so
that we are likely to find free extent only somewhat larger than what we
need.

So instead of maintaing rbtree of groups sorted by fragment size keep
bins (lists) or groups where average fragment size is in the interval
[2^i, 2^(i+1)). This structure requires less updates on block allocation
/ freeing, generally avoids chaotic spreading of allocations into block
groups, and still is able to quickly (even faster that the rbtree)
provide a block group which is likely to have a suitably sized free
space extent.

This patch reduces number of block groups used when untarring archive
with medium sized files (size somewhat above 64k which is default
mballoc limit for avoiding locality group preallocation) to about half
and thus improves write speeds for eMMC flash significantly.

Fixes: 196e402adf ("ext4: improve cr 0 / cr 1 group scanning")
CC: stable@kernel.org
Reported-and-tested-by: Stefan Wahren <stefan.wahren@i2se.com>
Tested-by: Ojaswin Mujoo <ojaswin@linux.ibm.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Reviewed-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Link: https://lore.kernel.org/all/0d81a7c2-46b7-6010-62a4-3e6cfc1628d6@i2se.com/
Link: https://lore.kernel.org/r/20220908092136.11770-5-jack@suse.cz
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2022-09-21 22:12:03 -04:00
Jan Kara
a9f2a2931d ext4: use locality group preallocation for small closed files
Curently we don't use any preallocation when a file is already closed
when allocating blocks (from writeback code when converting delayed
allocation). However for small files, using locality group preallocation
is actually desirable as that is not specific to a particular file.
Rather it is a method to pack small files together to reduce
fragmentation and for that the fact the file is closed is actually even
stronger hint the file would benefit from packing. So change the logic
to allow locality group preallocation in this case.

Fixes: 196e402adf ("ext4: improve cr 0 / cr 1 group scanning")
CC: stable@kernel.org
Reported-and-tested-by: Stefan Wahren <stefan.wahren@i2se.com>
Tested-by: Ojaswin Mujoo <ojaswin@linux.ibm.com>
Reviewed-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/all/0d81a7c2-46b7-6010-62a4-3e6cfc1628d6@i2se.com/
Link: https://lore.kernel.org/r/20220908092136.11770-4-jack@suse.cz
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2022-09-21 22:12:00 -04:00
Jan Kara
613c5a8589 ext4: make directory inode spreading reflect flexbg size
Currently the Orlov inode allocator searches for free inodes for a
directory only in flex block groups with at most inodes_per_group/16
more directory inodes than average per flex block group. However with
growing size of flex block group this becomes unnecessarily strict.
Scale allowed difference from average directory count per flex block
group with flex block group size as we do with other metrics.

Tested-by: Stefan Wahren <stefan.wahren@i2se.com>
Tested-by: Ojaswin Mujoo <ojaswin@linux.ibm.com>
Cc: stable@kernel.org
Link: https://lore.kernel.org/all/0d81a7c2-46b7-6010-62a4-3e6cfc1628d6@i2se.com/
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20220908092136.11770-3-jack@suse.cz
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2022-09-21 22:11:55 -04:00
Jan Kara
1940265ede ext4: avoid unnecessary spreading of allocations among groups
mb_set_largest_free_order() updates lists containing groups with largest
chunk of free space of given order. The way it updates it leads to
always moving the group to the tail of the list. Thus allocations
looking for free space of given order effectively end up cycling through
all groups (and due to initialization in last to first order). This
spreads allocations among block groups which reduces performance for
rotating disks or low-end flash media. Change
mb_set_largest_free_order() to only update lists if the order of the
largest free chunk in the group changed.

Fixes: 196e402adf ("ext4: improve cr 0 / cr 1 group scanning")
CC: stable@kernel.org
Reported-and-tested-by: Stefan Wahren <stefan.wahren@i2se.com>
Tested-by: Ojaswin Mujoo <ojaswin@linux.ibm.com>
Reviewed-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/all/0d81a7c2-46b7-6010-62a4-3e6cfc1628d6@i2se.com/
Link: https://lore.kernel.org/r/20220908092136.11770-2-jack@suse.cz
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2022-09-21 22:11:41 -04:00
Jan Kara
4fca50d440 ext4: make mballoc try target group first even with mb_optimize_scan
One of the side-effects of mb_optimize_scan was that the optimized
functions to select next group to try were called even before we tried
the goal group. As a result we no longer allocate files close to
corresponding inodes as well as we don't try to expand currently
allocated extent in the same group. This results in reaim regression
with workfile.disk workload of upto 8% with many clients on my test
machine:

                     baseline               mb_optimize_scan
Hmean     disk-1       2114.16 (   0.00%)     2099.37 (  -0.70%)
Hmean     disk-41     87794.43 (   0.00%)    83787.47 *  -4.56%*
Hmean     disk-81    148170.73 (   0.00%)   135527.05 *  -8.53%*
Hmean     disk-121   177506.11 (   0.00%)   166284.93 *  -6.32%*
Hmean     disk-161   220951.51 (   0.00%)   207563.39 *  -6.06%*
Hmean     disk-201   208722.74 (   0.00%)   203235.59 (  -2.63%)
Hmean     disk-241   222051.60 (   0.00%)   217705.51 (  -1.96%)
Hmean     disk-281   252244.17 (   0.00%)   241132.72 *  -4.41%*
Hmean     disk-321   255844.84 (   0.00%)   245412.84 *  -4.08%*

Also this is causing huge regression (time increased by a factor of 5 or
so) when untarring archive with lots of small files on some eMMC storage
cards.

Fix the problem by making sure we try goal group first.

Fixes: 196e402adf ("ext4: improve cr 0 / cr 1 group scanning")
CC: stable@kernel.org
Reported-and-tested-by: Stefan Wahren <stefan.wahren@i2se.com>
Tested-by: Ojaswin Mujoo <ojaswin@linux.ibm.com>
Reviewed-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Link: https://lore.kernel.org/all/20220727105123.ckwrhbilzrxqpt24@quack3/
Link: https://lore.kernel.org/all/0d81a7c2-46b7-6010-62a4-3e6cfc1628d6@i2se.com/
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20220908092136.11770-1-jack@suse.cz
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2022-09-21 22:11:34 -04:00
Linus Torvalds
7e18e42e4b Linux 6.0-rc4 2022-09-04 13:10:01 -07:00
Linus Torvalds
5995497296 powerpc fixes for 6.0 #4
- Fix handling of PCI domains in /proc on 32-bit systems using the recently added support
    for numbering buses from zero for each domain.
 
  - A fix and a revert for some changes to use READ/WRITE_ONCE() which caused problems with
    KASAN enabled due to sanitisation calls being introduced in low-level paths that can't
    cope with it.
 
  - Fix build errors on 32-bit caused by the syscall table being misaligned sometimes.
 
  - Two fixes to get IBM Cell native machines booting again, which had bit-rotted while my
    QS22 was temporarily out of action.
 
  - Fix the papr_scm driver to not assume the order of events returned by the hypervisor is
    stable, and a related compile fix.
 
 Thanks to: Aneesh Kumar K.V, Christophe Leroy, Jordan Niethe, Kajol Jain, Masahiro Yamada,
 Nathan Chancellor, Pali Rohár, Vaibhav Jain, Zhouyi Zhou.
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Merge tag 'powerpc-6.0-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fixes from Michael Ellerman:

 - Fix handling of PCI domains in /proc on 32-bit systems using the
   recently added support for numbering buses from zero for each domain.

 - A fix and a revert for some changes to use READ/WRITE_ONCE() which
   caused problems with KASAN enabled due to sanitisation calls being
   introduced in low-level paths that can't cope with it.

 - Fix build errors on 32-bit caused by the syscall table being
   misaligned sometimes.

 - Two fixes to get IBM Cell native machines booting again, which had
   bit-rotted while my QS22 was temporarily out of action.

 - Fix the papr_scm driver to not assume the order of events returned by
   the hypervisor is stable, and a related compile fix.

Thanks to Aneesh Kumar K.V, Christophe Leroy, Jordan Niethe, Kajol Jain,
Masahiro Yamada, Nathan Chancellor, Pali Rohár, Vaibhav Jain, and Zhouyi
Zhou.

* tag 'powerpc-6.0-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/papr_scm: Ensure rc is always initialized in papr_scm_pmu_register()
  Revert "powerpc/irq: Don't open code irq_soft_mask helpers"
  powerpc: Fix hard_irq_disable() with sanitizer
  powerpc/rtas: Fix RTAS MSR[HV] handling for Cell
  Revert "powerpc: Remove unused FW_FEATURE_NATIVE references"
  powerpc: align syscall table for ppc32
  powerpc/pci: Enable PCI domains in /proc when PCI bus numbers are not unique
  powerpc/papr_scm: Fix nvdimm event mappings
2022-09-04 11:33:22 -07:00
Linus Torvalds
685ed983e2 s390:
* PCI interpretation compile fixes
 
 RISC-V:
 
 * Fix unused variable warnings in vcpu_timer.c
 
 * Move extern sbi_ext declarations to a header
 
 x86:
 
 * check validity of argument to KVM_SET_MP_STATE
 
 * use guest's global_ctrl to completely disable guest PEBS
 
 * fix a memory leak on memory allocation failure
 
 * mask off unsupported and unknown bits of IA32_ARCH_CAPABILITIES
 
 * fix build failure with Clang integrated assembler
 
 * fix MSR interception
 
 * Always flush TLBs when enabling dirty logging
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:
 "s390:

   - PCI interpretation compile fixes

  RISC-V:

   - fix unused variable warnings in vcpu_timer.c

   - move extern sbi_ext declarations to a header

  x86:

   - check validity of argument to KVM_SET_MP_STATE

   - use guest's global_ctrl to completely disable guest PEBS

   - fix a memory leak on memory allocation failure

   - mask off unsupported and unknown bits of IA32_ARCH_CAPABILITIES

   - fix build failure with Clang integrated assembler

   - fix MSR interception

   - always flush TLBs when enabling dirty logging"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: x86: check validity of argument to KVM_SET_MP_STATE
  perf/x86/core: Completely disable guest PEBS via guest's global_ctrl
  KVM: x86: fix memoryleak in kvm_arch_vcpu_create()
  KVM: x86: Mask off unsupported and unknown bits of IA32_ARCH_CAPABILITIES
  KVM: s390: pci: Hook to access KVM lowlevel from VFIO
  riscv: kvm: move extern sbi_ext declarations to a header
  riscv: kvm: vcpu_timer: fix unused variable warnings
  KVM: selftests: Fix ambiguous mov in KVM_ASM_SAFE()
  KVM: selftests: Fix KVM_EXCEPTION_MAGIC build with Clang
  KVM: VMX: Heed the 'msr' argument in msr_write_intercepted()
  kvm: x86: mmu: Always flush TLBs when enabling dirty logging
  kvm: x86: mmu: Drop the need_remote_flush() function
2022-09-04 11:27:14 -07:00
Nick Desaulniers
b0839b281c Makefile.extrawarn: re-enable -Wformat for clang; take 2
-Wformat was recently re-enabled for builds with clang, then quickly
re-disabled, due to concerns stemming from the frequency of default
argument promotion related warning instances.

commit 258fafcd06 ("Makefile.extrawarn: re-enable -Wformat for clang")
commit 21f9c8a13b ("Revert "Makefile.extrawarn: re-enable -Wformat for clang"")

ISO WG14 has ratified N2562 to address default argument promotion
explicitly for printf, as part of the upcoming ISO C2X standard.

The behavior of clang was changed in clang-16 to not warn for the cited
cases in all language modes.

Add a version check, so that users of clang-16 now get the full effect
of -Wformat. For older clang versions, re-enable flags under the
-Wformat group that way users still get some useful checks related to
format strings, without noisy default argument promotion warnings. I
intentionally omitted -Wformat-y2k and -Wformat-security from being
re-enabled, which are also part of -Wformat in clang-16.

Link: https://github.com/ClangBuiltLinux/linux/issues/378
Link: https://github.com/llvm/llvm-project/issues/57102
Link: https://www.open-std.org/jtc1/sc22/wg14/www/docs/n2562.pdf
Suggested-by: Justin Stitt <jstitt007@gmail.com>
Suggested-by: Nathan Chancellor <nathan@kernel.org>
Suggested-by: Youngmin Nam <youngmin.nam@samsung.com>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-09-04 11:15:50 -07:00
Linus Torvalds
7726d4c3e6 gpio fixes for v6.0-rc4
- MAINTAINERS update
 - fix resource leaks in gpio-mockup and gpio-pxa
 - add missing locking in gpio-pca953x
 - use 32-bit I/O in gpio-realtek-otto
 - make irq_chip structures immutable in four more drivers
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Merge tag 'gpio-fixes-for-v6.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio fixes from Bartosz Golaszewski:
 "A a set of fixes from the GPIO subsystem.

  Most are small driver fixes except the realtek-otto driver patch which
  is pretty big but addresses a significant flaw that can cause the CPU
  to stay infinitely busy on uncleared ISR on some platforms.

  Summary:
   - MAINTAINERS update
   - fix resource leaks in gpio-mockup and gpio-pxa
   - add missing locking in gpio-pca953x
   - use 32-bit I/O in gpio-realtek-otto
   - make irq_chip structures immutable in four more drivers"

* tag 'gpio-fixes-for-v6.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
  gpio: ws16c48: Make irq_chip immutable
  gpio: 104-idio-16: Make irq_chip immutable
  gpio: 104-idi-48: Make irq_chip immutable
  gpio: 104-dio-48e: Make irq_chip immutable
  gpio: realtek-otto: switch to 32-bit I/O
  gpio: pca953x: Add mutex_lock for regcache sync in PM
  gpio: mockup: remove gpio debugfs when remove device
  gpio: pxa: use devres for the clock struct
  MAINTAINERS: rectify entry for XILINX GPIO DRIVER
2022-09-03 21:27:27 -07:00
William Breathitt Gray
6890381720 gpio: ws16c48: Make irq_chip immutable
Kernel warns about mutable irq_chips:

    "not an immutable chip, please consider fixing!"

Make the struct irq_chip const, flag it as IRQCHIP_IMMUTABLE, add the
new helper functions, and call the appropriate gpiolib functions.

Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2022-09-03 22:56:34 +02:00
William Breathitt Gray
410a5041aa gpio: 104-idio-16: Make irq_chip immutable
Kernel warns about mutable irq_chips:

    "not an immutable chip, please consider fixing!"

Make the struct irq_chip const, flag it as IRQCHIP_IMMUTABLE, add the
new helper functions, and call the appropriate gpiolib functions.

Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2022-09-03 22:56:26 +02:00
William Breathitt Gray
fa1329f9e4 gpio: 104-idi-48: Make irq_chip immutable
Kernel warns about mutable irq_chips:

    "not an immutable chip, please consider fixing!"

Make the struct irq_chip const, flag it as IRQCHIP_IMMUTABLE, add the
new helper functions, and call the appropriate gpiolib functions.

Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2022-09-03 22:56:17 +02:00
William Breathitt Gray
35f0aa7727 gpio: 104-dio-48e: Make irq_chip immutable
Kernel warns about mutable irq_chips:

    "not an immutable chip, please consider fixing!"

Make the struct irq_chip const, flag it as IRQCHIP_IMMUTABLE, add the
new helper functions, and call the appropriate gpiolib functions.

Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
2022-09-03 22:56:10 +02:00
Linus Torvalds
65eea2c060 xen: branch for v6.0-rc4
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Merge tag 'for-linus-6.0-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen fixes from Juergen Gross:

 - a minor fix for the Xen grant driver

 - a small series fixing a recently introduced problem in the Xen
   blkfront/blkback drivers with negotiation of feature usage

* tag 'for-linus-6.0-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen/grants: prevent integer overflow in gnttab_dma_alloc_pages()
  xen-blkfront: Cache feature_persistent value before advertisement
  xen-blkfront: Advertise feature-persistent as user requested
  xen-blkback: Advertise feature-persistent as user requested
2022-09-03 13:23:11 -07:00
Linus Torvalds
f0c5f7ea81 LoongArch fixes for v6.0-rc4
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Merge tag 'loongarch-fixes-6.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson

Pull LoongArch fixes from Huacai Chen:
 "Fix several build errors or warnings, cleanup some code, and adjust
  arch_do_signal_or_restart() to adapt generic entry"

* tag 'loongarch-fixes-6.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
  LoongArch: mm: Remove the unneeded result variable
  LoongArch: Fix arch_remove_memory() undefined build error
  LoongArch: Fix section mismatch due to acpi_os_ioremap()
  LoongArch: Improve dump_tlb() output messages
  LoongArch: Adjust arch_do_signal_or_restart() to adapt generic entry
  LoongArch: Avoid orphan input sections
2022-09-03 13:21:01 -07:00
Linus Torvalds
cda9a8486c s390 updates for 6.0-rc4
- Update defconfigs.
 
 - Fix linker script to align nospec tables correctly to avoid potentially
   unbootable kernel with some config options.
 
 - Fix alignment check in prepare_hugepage_range() for 2GB hugepages to avoid
   BUG in __unmap_hugepage_range() for unaligned mappings later.
 
 - Remove useless hugepage address alignment in hugetlb faults handling.
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Merge tag 's390-6.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 fixes from Vasily Gorbik:

 - Update defconfigs

 - Fix linker script to align nospec tables correctly to avoid
   potentially unbootable kernel with some config options

 - Fix alignment check in prepare_hugepage_range() for 2GB hugepages to
   avoid BUG in __unmap_hugepage_range() for unaligned mappings later

 - Remove useless hugepage address alignment in hugetlb fault handling

* tag 's390-6.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/hugetlb: fix prepare_hugepage_range() check for 2 GB hugepages
  s390: update defconfigs
  s390: fix nospec table alignments
  s390/mm: remove useless hugepage address alignment
2022-09-03 13:17:33 -07:00
Linus Torvalds
6433fe06f6 Input updates for v6.0-rc3
- GT1158 ID added to Goodix touchscreen driver
 
 - Boeder Force Feedback Wheel USB added to iforce joystick driver
 
 - fixup for iforce driver to avoid hangups
 
 - fix autoloading of rk805-pwrkey driver.
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Merge tag 'input-for-v6.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

Pull input fixes from Dmitry Torokhov:

 - GT1158 ID added to Goodix touchscreen driver

 - Boeder Force Feedback Wheel USB added to iforce joystick driver

 - fixup for iforce driver to avoid hangups

 - fix autoloading of rk805-pwrkey driver.

* tag 'input-for-v6.0-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: iforce - add support for Boeder Force Feedback Wheel
  Input: iforce - wake up after clearing IFORCE_XMIT_RUNNING flag
  Input: goodix - add compatible string for GT1158
  MAINTAINERS: add include/dt-bindings/input to INPUT DRIVERS
  Input: rk805-pwrkey - fix module autoloading
  Input: goodix - add support for GT1158
  dt-bindings: input: touchscreen: add compatible string for Goodix GT1158
2022-09-03 13:09:46 -07:00
Linus Torvalds
42cf58c272 TTY/Serial driver fixes for 6.0-rc4
Here are some small tty/serial/vt driver fixes for 6.0-rc4 that resolve
 a number of reported issues:
   - n_gsm fixups for previous changes that caused problems
   - much-reported serdev crash fix that showed up in 6.0-rc1
   - vt font selection bugfix
   - kerneldoc build warning fixes
   - other tiny serial core fixes
 
 All of these have been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial driver fixes from Greg KH:
 "Here are some small tty/serial/vt driver fixes for 6.0-rc4 that
  resolve a number of reported issues:

   - n_gsm fixups for previous changes that caused problems

   - much-reported serdev crash fix that showed up in 6.0-rc1

   - vt font selection bugfix

   - kerneldoc build warning fixes

   - other tiny serial core fixes

  All of these have been in linux-next for a while with no reported
  problems"

* tag 'tty-6.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  tty: n_gsm: avoid call of sleeping functions from atomic context
  tty: n_gsm: replace kicktimer with delayed_work
  tty: n_gsm: initialize more members at gsm_alloc_mux()
  tty: n_gsm: add sanity check for gsm->receive in gsm_receive_buf()
  tty: serial: atmel: Preserve previous USART mode if RS485 disabled
  tty: serial: lpuart: disable flow control while waiting for the transmit engine to complete
  tty: Fix lookahead_buf crash with serdev
  serial: fsl_lpuart: RS485 RTS polariy is inverse
  vt: Clear selection before changing the font
  serial: document start_rx member at struct uart_ops
2022-09-03 10:34:02 -07:00
Linus Torvalds
c53b3dcb99 Staging driver fixes for 6.0-rc4
Here are 3 small staging driver fixes for 6.0-rc4 that resolve some
 reported problems and add some a device id:
   - new device id for r8188eu driver
   - use-after-free bugfixes for the rtl8712 driver
   - fix up firmware dependency problem for the r8188eu driver
 
 All of these have been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-6.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver fixes from Greg KH:
 "Here are three small staging driver fixes for 6.0-rc4 that resolve
  some reported problems and add some a device id:

   - new device id for r8188eu driver

   - use-after-free bugfixes for the rtl8712 driver

   - fix up firmware dependency problem for the r8188eu driver

  All of these have been in linux-next for a while with no reported
  problems"

* tag 'staging-6.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  staging: rtl8712: fix use after free bugs
  staging: r8188eu: Add Rosewill USB-N150 Nano to device tables
  staging: r8188eu: add firmware dependency
2022-09-03 10:32:17 -07:00
Linus Torvalds
9a61442cba Here's a collection of primarily clk driver fixes, with a couple fixes
to the core framework. We had to revert out a commit that affected boot
 on some devices that have the CLK_OPS_PARENT_ENABLE flag set. It isn't
 critical to have that fix so we'll try again next time.
 
 Driver side fixes include:
 
  - Plug an of node refcount bug in the TI clk driver
 
  - Fix the error handling in the raspberry pi firmware get_rate
    so that errors don't look like valid frequencies
 
  - Avoid going out of bounds in the raspberry pi driver too if the
    video firmware returns something we're not expecting
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk fixes from Stephen Boyd:
 "Here's a collection of primarily clk driver fixes, with a couple fixes
  to the core framework.

  We had to revert out a commit that affected boot on some devices that
  have the CLK_OPS_PARENT_ENABLE flag set. It isn't critical to have
  that fix so we'll try again next time.

  Driver side fixes include:

   - Plug an OF-node refcount bug in the TI clk driver

   - Fix the error handling in the raspberry pi firmware get_rate so
     that errors don't look like valid frequencies

   - Avoid going out of bounds in the raspberry pi driver too if the
     video firmware returns something we're not expecting"

* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
  Revert "clk: core: Honor CLK_OPS_PARENT_ENABLE for clk gate ops"
  clk: bcm: rpi: Show clock id limit in error case
  clk: bcm: rpi: Add missing newline
  clk: bcm: rpi: Prevent out-of-bounds access
  clk: bcm: rpi: Fix error handling of raspberrypi_fw_get_rate
  clk: core: Fix runtime PM sequence in clk_core_unprepare()
  clk: core: Honor CLK_OPS_PARENT_ENABLE for clk gate ops
  clk: ti: Fix missing of_node_get() ti_find_clock_provider()
2022-09-03 10:27:25 -07:00
Linus Torvalds
777464261d hwmon fixes for v6.0-rc4
- Fix out of bounds access in gpio-fan driver
 
 - Fix VOUT margin caching in PMBus core
 
 - Avoid error message after -EPROBE_DEFER from devm_regulator_register()
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Merge tag 'hwmon-for-v6.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging

Pull hwmon fixes from Guenter Roeck:

 - Fix out of bounds access in gpio-fan driver

 - Fix VOUT margin caching in PMBus core

 - Avoid error message after -EPROBE_DEFER from devm_regulator_register()

* tag 'hwmon-for-v6.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (gpio-fan) Fix array out of bounds access
  hwmon: (pmbus) Fix vout margin caching
  hwmon: (pmbus) Use dev_err_probe() to filter -EPROBE_DEFER error messages
2022-09-03 10:24:30 -07:00
Steven Price
8782fb61cc mm: pagewalk: Fix race between unmap and page walker
The mmap lock protects the page walker from changes to the page tables
during the walk.  However a read lock is insufficient to protect those
areas which don't have a VMA as munmap() detaches the VMAs before
downgrading to a read lock and actually tearing down PTEs/page tables.

For users of walk_page_range() the solution is to simply call pte_hole()
immediately without checking the actual page tables when a VMA is not
present. We now never call __walk_page_range() without a valid vma.

For walk_page_range_novma() the locking requirements are tightened to
require the mmap write lock to be taken, and then walking the pgd
directly with 'no_vma' set.

This in turn means that all page walkers either have a valid vma, or
it's that special 'novma' case for page table debugging.  As a result,
all the odd '(!walk->vma && !walk->no_vma)' tests can be removed.

Fixes: dd2283f260 ("mm: mmap: zap pages with read mmap_sem in munmap")
Reported-by: Jann Horn <jannh@google.com>
Signed-off-by: Steven Price <steven.price@arm.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Konstantin Khlebnikov <koct9i@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-09-03 10:13:13 -07:00
ye xingchen
ac9284db6b LoongArch: mm: Remove the unneeded result variable
Return the value pa_to_nid() directly instead of storing it in another
redundant variable.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2022-09-03 18:01:27 +08:00
Yupeng Li
1a470ce4e9 LoongArch: Fix arch_remove_memory() undefined build error
The kernel build error when unslected CONFIG_MEMORY_HOTREMOVE because
arch_remove_memory() is needed by mm/memory_hotplug.c but undefined.

Some build error messages like:

 LD      vmlinux.o
 MODPOST vmlinux.symvers
 MODINFO modules.builtin.modinfo
 GEN     modules.builtin
 LD      .tmp_vmlinux.kallsyms1
loongarch64-linux-gnu-ld: mm/memory_hotplug.o: in function `.L242':
memory_hotplug.c:(.ref.text+0x930): undefined reference to `arch_remove_memory'
make: *** [Makefile:1169:vmlinux] 错误 1

Removed CONFIG_MEMORY_HOTREMOVE requirement and rearrange the file refer
to the definitions of other platform architectures.

Signed-off-by: Yupeng Li <liyupeng@zbhlos.com>
Signed-off-by: Caicai <caizp2008@163.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2022-09-03 18:01:27 +08:00
Huacai Chen
e0fba87c85 LoongArch: Fix section mismatch due to acpi_os_ioremap()
Now acpi_os_ioremap() is marked with __init because it calls memblock_
is_memory() which is also marked with __init in the !ARCH_KEEP_MEMBLOCK
case. However, acpi_os_ioremap() is called by ordinary functions such
as acpi_os_{read, write}_memory() and causes section mismatch warnings:

WARNING: modpost: vmlinux.o: section mismatch in reference: acpi_os_read_memory (section: .text) -> acpi_os_ioremap (section: .init.text)
WARNING: modpost: vmlinux.o: section mismatch in reference: acpi_os_write_memory (section: .text) -> acpi_os_ioremap (section: .init.text)

Fix these warnings by selecting ARCH_KEEP_MEMBLOCK unconditionally and
removing the __init modifier of acpi_os_ioremap(). This can also give a
chance to track "memory" and "reserved" memblocks after early boot.

Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2022-09-03 18:01:27 +08:00
Huacai Chen
ad6846196a LoongArch: Improve dump_tlb() output messages
1, Use nr/nx to replace ri/xi;
2, Add 0x prefix for hexadecimal data.

Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2022-09-03 18:01:27 +08:00
Huacai Chen
0163005374 LoongArch: Adjust arch_do_signal_or_restart() to adapt generic entry
Commit 8ba62d3794 ("task_work: Call tracehook_notify_signal from
get_signal on all architectures") adjust arch_do_signal_or_restart() for
all architectures. LoongArch hasn't been upstream yet at that time and
can be still built successfully without adjustment because this function
has a weak version with the correct prototype. It is obviously that we
should convert LoongArch to use new API, otherwise some signal handlings
will be lost.

Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2022-09-03 18:01:27 +08:00
Ard Biesheuvel
1429cfde90 LoongArch: Avoid orphan input sections
Ensure that all input sections are listed explicitly in the linker
script, and issue a warning otherwise. This ensures that the binary
image matches the PE/COFF and other image metadata exactly, which is
important for things like code signing.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2022-09-03 18:01:27 +08:00
Linus Torvalds
d895ec7938 block-6.0-2022-09-02
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Merge tag 'block-6.0-2022-09-02' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:

 - NVMe pull request via Christoph:
     - error handling fix for the new auth code (Hannes Reinecke)
     - fix unhandled tcp states in nvmet_tcp_state_change (Maurizio
       Lombardi)
     - add NVME_QUIRK_BOGUS_NID for Lexar NM610 (Shyamin Ayesh)

 - Add documentation for the ublk driver merged in this merge window
   (Ming)

* tag 'block-6.0-2022-09-02' of git://git.kernel.dk/linux-block:
  Documentation: document ublk
  nvmet-tcp: fix unhandled tcp states in nvmet_tcp_state_change()
  nvmet-auth: add missing goto in nvmet_setup_auth()
  nvme-pci: add NVME_QUIRK_BOGUS_NID for Lexar NM610
2022-09-02 16:44:30 -07:00
Linus Torvalds
cec53f4c8d io_uring-6.0-2022-09-02
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Merge tag 'io_uring-6.0-2022-09-02' of git://git.kernel.dk/linux-block

Pull io_uring fixes from Jens Axboe:

 - A single fix for over-eager retries for networking (Pavel)

 - Revert the notification slot support for zerocopy sends.

   It turns out that even after more than a year or development and
   testing, there's not full agreement on whether just using plain
   ordered notifications is Good Enough to avoid the complexity of using
   the notifications slots. Because of that, we decided that it's best
   left to a future final decision.

   We can always bring back this feature, but we can't really change it
   or remove it once we've released 6.0 with it enabled. The reverts
   leave the usual CQE notifications as the primary interface for
   knowing when data was sent, and when it was acked. (Pavel)

* tag 'io_uring-6.0-2022-09-02' of git://git.kernel.dk/linux-block:
  selftests/net: return back io_uring zc send tests
  io_uring/net: simplify zerocopy send user API
  io_uring/notif: remove notif registration
  Revert "io_uring: rename IORING_OP_FILES_UPDATE"
  Revert "io_uring: add zc notification flush requests"
  selftests/net: temporarily disable io_uring zc test
  io_uring/net: fix overexcessive retries
2022-09-02 16:37:01 -07:00
Linus Torvalds
1551f8f21e 5 cifs/smb3 fixes, all also for stable
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Merge tag '6.0-rc3-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull cifs fixes from Steve French:
 "Five fixes, all also marked for stable:

   - fixes for collapse range and insert range (also fixes xfstest
     generic/031)

   - memory leak fix"

* tag '6.0-rc3-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: fix small mempool leak in SMB2_negotiate()
  smb3: use filemap_write_and_wait_range instead of filemap_write_and_wait
  smb3: fix temporary data corruption in insert range
  smb3: fix temporary data corruption in collapse range
  smb3: Move the flush out of smb2_copychunk_range() into its callers
2022-09-02 16:20:24 -07:00
Linus Torvalds
0c95f02269 Landlock fix for v6.0-rc4
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Merge tag 'landlock-6.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux

Pull landlock fix from Mickaël Salaün:
 "This fixes a mis-handling of the LANDLOCK_ACCESS_FS_REFER right when
  multiple rulesets/domains are stacked.

  The expected behaviour was that an additional ruleset can only
  restrict the set of permitted operations, but in this particular case,
  it was potentially possible to re-gain the LANDLOCK_ACCESS_FS_REFER
  right"

* tag 'landlock-6.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux:
  landlock: Fix file reparenting without explicit LANDLOCK_ACCESS_FS_REFER
2022-09-02 15:24:08 -07:00
Linus Torvalds
b307e70457 MMC core:
- Fix workaround for SD UHS-I voltage switch
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Merge tag 'mmc-v6.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC fixes from Ulf Hansson:

 - Fix workaround for SD UHS-I voltage switch

* tag 'mmc-v6.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
  mmc: core: Fix inconsistent sd3_bus_mode at UHS-I SD voltage switch failure
  mmc: core: Fix UHS-I SD 1.8V workaround branch
2022-09-02 15:03:12 -07:00
Linus Torvalds
1e8e515edd drm fixes for 6.0-rc3
dma-buf/dma-resv:
 - Fence-handling fix
 
 i915:
 - GVT fixes including fix for a CommetLake regression in mmio table
   and misc doc and typo fixes
 - Fix CCS handling
 - Fix for guc requests after reset
 - Display DSI related fixes
 - Display backlight related fixes
 - Fix for a null pointer dereference
 - HDMI related quirk for ECS Liva Q2 with GLK graphics
 - Skip wm/ddb readout for disabled pipes
 
 amdgpu:
 - FRU error message fix
 - MES 11 updates
 - DCN 3.2.x fixes
 - DCN 3.1.4 fixes
 - Fix possible use after free in CS IOCTL
 - SMU 13.0.x fixes
 - Fix iolink reporting on devices with direct connections to CPU
 - GFX10 tap delay firmware fixes
 
 msm:
 - Fix for inconsistent indenting in function msm_dsi_dphy_timing_calc_v3.
 - Fix to make eDP the first connector in the connected list.
 - Fix to populate intf_cfg correctly before calling reset_intf_cfg().
 - Specify the correct number of DSI regulators for SDM660.
 - Specify the correct number of DSI regulators for MSM8996.
 - Fix for removing DP_RECOVERED_CLOCK_OUT_EN bit for tps4 link training
 - Fix probe-deferral crash in gpu devfreq
 - Fix gpu debugfs deadlock
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Merge tag 'drm-fixes-2022-09-02' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "Regular fixes pull. One core dma-buf fix, then two weeks of i915
  fixes, a lot of amdgpu fixes mostly for new IP, and a bunch of msm
  fixes, mostly modesetting ones.

  Nothing seems too bad at this point.

  dma-buf/dma-resv:
   - Fence-handling fix

  i915:
   - GVT fixes including fix for a CommetLake regression in mmio table
     and misc doc and typo fixes
   - Fix CCS handling
   - Fix for guc requests after reset
   - Display DSI related fixes
   - Display backlight related fixes
   - Fix for a null pointer dereference
   - HDMI related quirk for ECS Liva Q2 with GLK graphics
   - Skip wm/ddb readout for disabled pipes

  amdgpu:
   - FRU error message fix
   - MES 11 updates
   - DCN 3.2.x fixes
   - DCN 3.1.4 fixes
   - Fix possible use after free in CS IOCTL
   - SMU 13.0.x fixes
   - Fix iolink reporting on devices with direct connections to CPU
   - GFX10 tap delay firmware fixes

  msm:
   - Fix for inconsistent indenting in msm_dsi_dphy_timing_calc_v3().
   - Fix to make eDP the first connector in the connected list.
   - Fix to populate intf_cfg correctly before calling reset_intf_cfg().
   - Specify the correct number of DSI regulators for SDM660.
   - Specify the correct number of DSI regulators for MSM8996.
   - Fix for removing DP_RECOVERED_CLOCK_OUT_EN bit for tps4 link training
   - Fix probe-deferral crash in gpu devfreq
   - Fix gpu debugfs deadlock"

* tag 'drm-fixes-2022-09-02' of git://anongit.freedesktop.org/drm/drm: (51 commits)
  drm/amd/amdgpu: skip ucode loading if ucode_size == 0
  drm/amdgpu: only init tap_delay ucode when it's included in ucode binary
  drm/amd/display: Fix black flash when switching from ODM2to1 to ODMBypass
  drm/amd/display: Fix check for stream and plane
  drm/amd/display: Re-initialize viewport after pipe merge
  drm/amd/display: Use correct plane for CAB cursor size allocation
  drm/amdgpu: ensure no PCIe peer access for CPU XGMI iolinks
  drm/amd/pm: bump SMU 13.0.0 driver_if header version
  drm/amd/pm: use vbios carried pptable for all SMU13.0.7 SKUs
  drm/amd/pm: use vbios carried pptable for those supported SKUs
  drm/amd/display: fix wrong register access
  drm/amd/display: use actual cursor size instead of max for CAB allocation
  drm/amd/display: disable display fresh from MALL on an edge case for DCN321
  drm/amd/display: Fix CAB cursor size allocation for DCN32/321
  drm/amd/display: Missing HPO instance added
  drm/amd/display: set dig fifo read start level to 7 before dig fifo reset
  drm/amdgpu: Fix use-after-free in amdgpu_cs_ioctl
  drm/amd/display: Fix OTG H timing reset for dcn314
  drm/amd/display: Fix DCN32 DPSTREAMCLK_CNTL programming
  drm/amdgpu: Update mes_v11_api_def.h
  ...
2022-09-02 14:56:09 -07:00
Linus Torvalds
0b3acd1cc0 Driver core fixes for 6.0-rc4
Here are some small driver core fixes for some oft-reported problems in
 6.0-rc1.  They include:
   - a bunch of reverts to handle driver_deferred_probe_check_state()
     problems that were part of the 6.0-rc1 merge.
   - firmware_loader bugfixes now that the code is being properly tested
     and used by others
   - arch_topology fix
   - deferred driver probe bugfix to solve a long-suffering amba bus
     problem that many people have reported.
 
 All of these have been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-6.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core fixes from Greg KH:
 "Here are some small driver core fixes for some oft-reported problems
  in 6.0-rc1.  They include:

   - a bunch of reverts to handle driver_deferred_probe_check_state()
     problems that were part of the 6.0-rc1 merge.

   - firmware_loader bugfixes now that the code is being properly tested
     and used by others

   - arch_topology fix

   - deferred driver probe bugfix to solve a long-suffering amba bus
     problem that many people have reported.

  All of these have been in linux-next for a while with no reported
  problems"

* tag 'driver-core-6.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  firmware_loader: Fix memory leak in firmware upload
  firmware_loader: Fix use-after-free during unregister
  arch_topology: Silence early cacheinfo errors when non-existent
  driver core: Don't probe devices after bus_type.match() probe deferral
  Revert "iommu/of: Delete usage of driver_deferred_probe_check_state()"
  Revert "PM: domains: Delete usage of driver_deferred_probe_check_state()"
  Revert "net: mdio: Delete usage of driver_deferred_probe_check_state()"
  Revert "driver core: Delete driver_deferred_probe_check_state()"
2022-09-02 10:55:23 -07:00
Linus Torvalds
ffb384c269 Char/Misc driver fixes for 6.0-rc4
Here are some small char/misc and other driver fixes for 6.0-rc4.
 
 Included in here are:
   - binder fixes for previous fixes, and a few more fixes uncovered by
     them.
   - iio driver fixes
   - soundwire driver fixes
   - fastrpc driver fixes for memory corruption on some hardware
   - peci driver fix
   - mhi driver fix
 
 All of these have been in linux-next with no reported problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver fixes from Greg KH:
 "Here are some small char/misc and other driver fixes for 6.0-rc4.

  Included in here are:

   - binder fixes for previous fixes, and a few more fixes uncovered by
     them.

   - iio driver fixes

   - soundwire driver fixes

   - fastrpc driver fixes for memory corruption on some hardware

   - peci driver fix

   - mhi driver fix

  All of these have been in linux-next with no reported problems"

* tag 'char-misc-6.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  binder: fix alloc->vma_vm_mm null-ptr dereference
  misc: fastrpc: increase maximum session count
  misc: fastrpc: fix memory corruption on open
  misc: fastrpc: fix memory corruption on probe
  soundwire: qcom: fix device status array range
  bus: mhi: host: Fix up null pointer access in mhi_irq_handler
  soundwire: qcom: remove duplicate reset control get
  iio: light: cm32181: make cm32181_pm_ops static
  iio: ad7292: Prevent regulator double disable
  dt-bindings: iio: gyroscope: bosch,bmg160: correct number of pins
  iio: adc: mcp3911: use correct formula for AD conversion
  iio: adc: mcp3911: correct "microchip,device-addr" property
  Revert "binder_alloc: Add missing mmap_lock calls when using the VMA"
  binder_alloc: Add missing mmap_lock calls when using the VMA
  binder: fix UAF of ref->proc caused by race condition
  iio: light: cm3605: Fix an error handling path in cm3605_probe()
  iio: adc: mcp3911: make use of the sign bit
  peci: cpu: Fix use-after-free in adev_release()
  peci: aspeed: fix error check return value of platform_get_irq()
2022-09-02 10:50:08 -07:00
Linus Torvalds
fd59585c42 USB/Thunderbolt driver fixes for 6.0-rc4
Here are a lot of small USB and Thunderbolt driver fixes for 6.0-rc4 for
 reported problems.  Included in here are:
   - new usb-serial driver ids
   - dwc3 driver bugfixes for reported problems with 6.0-rc1
   - new device quirks, and reverts of some quirks that were incorrect
   - gadget driver bugfixes for reported problems
   - USB host controller bugfixes (xhci and others)
   - other small USB fixes, details in the shortlog
   - small thunderbolt driver fixes
 
 All of these have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB/Thunderbolt driver fixes from Greg KH:
 "Here are a lot of small USB and Thunderbolt driver fixes for 6.0-rc4
  for reported problems. Included in here are:

   - new usb-serial driver ids

   - dwc3 driver bugfixes for reported problems with 6.0-rc1

   - new device quirks, and reverts of some quirks that were incorrect

   - gadget driver bugfixes for reported problems

   - USB host controller bugfixes (xhci and others)

   - other small USB fixes, details in the shortlog

   - small thunderbolt driver fixes

  All of these have been in linux-next with no reported issues"

* tag 'usb-6.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (51 commits)
  Revert "usb: gadget: udc-xilinx: replace memcpy with memcpy_toio"
  usb: storage: Add ASUS <0x0b05:0x1932> to IGNORE_UAS
  USB: serial: ch341: fix disabled rx timer on older devices
  USB: serial: ch341: fix lost character on LCR updates
  USB: serial: cp210x: add Decagon UCA device id
  Revert "usb: add quirks for Lenovo OneLink+ Dock"
  usb: cdns3: fix issue with rearming ISO OUT endpoint
  usb: cdns3: fix incorrect handling TRB_SMM flag for ISOC transfer
  usb: gadget: mass_storage: Fix cdrom data transfers on MAC-OS
  media: mceusb: Use new usb_control_msg_*() routines
  USB: core: Prevent nested device-reset calls
  USB: gadget: Fix obscure lockdep violation for udc_mutex
  usb: dwc2: fix wrong order of phy_power_on and phy_init
  usb: gadget: udc-xilinx: replace memcpy with memcpy_toio
  usb: typec: Remove retimers properly
  usb: dwc3: disable USB core PHY management
  usb: add quirks for Lenovo OneLink+ Dock
  USB: serial: option: add support for Cinterion MV32-WA/WB RmNet mode
  USB: serial: ftdi_sio: add Omron CS1W-CIF31 device id
  USB: serial: option: add Quectel EM060K modem
  ...
2022-09-02 10:43:46 -07:00