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2fcf5cc3be
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Bob Peterson 2fcf5cc3be GFS2: Limit number of transaction blocks requested for truncates 
This patch limits the number of transaction blocks requested during
file truncates. If we have very large multi-terabyte files, and want
to delete or truncate them, they might span so many resource groups
that we overflow the journal blocks, and cause an assert failure.
By limiting the number of blocks in the transaction, we prevent this
overflow and give other running processes time to do transactions.

The limiting factor I chose is sd_log_thresh2 which is currently
set to 4/5ths of the journal. This same ratio is used in function
gfs2_ail_flush_reqd to determine when a log flush is required.
If we make the maximum value less than this, we can get into a
infinite hang whereby the log stops moving because the number of
used blocks is less than the threshold and the iterative loop
needs more, but since we're under the threshold, the log daemon
never starts any IO on the log.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
2017-01-05 14:47:36 -05:00
..
9p Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-08-07 10:01:14 -04:00
adfs Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-08-07 10:01:14 -04:00
affs get rid of 'parent' argument of ->d_compare() 2016-07-31 16:37:25 -04:00
afs rxrpc: Fix races between skb free, ACK generation and replying 2016-08-06 00:08:40 -04:00
autofs4 autofs: use dentry flags to block walks during expire 2016-09-19 15:36:17 -07:00
befs fs/befs/io.c:befs_bread(): remove unneeded initialization to NULL 2016-05-23 17:04:14 -07:00
bfs more trivial ->iterate_shared conversions 2016-05-09 11:41:14 -04:00
btrfs Merge branch 'for-linus-4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs 2016-09-23 13:39:37 -07:00
cachefiles cachefiles: Fix race between inactivating and culling a cache object 2016-08-03 13:33:26 -04:00
ceph ceph: do not modify fi->frag in need_reset_readdir() 2016-09-05 14:30:35 +02:00
cifs Move check for prefix path to within cifs_get_root() 2016-09-09 23:58:07 -05:00
coda drop redundant ->owner initializations 2016-05-29 19:08:00 -04:00
configfs configfs: Return -EFBIG from configfs_write_bin_file. 2016-09-16 12:58:28 +02:00
cramfs more trivial ->iterate_shared conversions 2016-05-09 11:41:14 -04:00
crypto fscrypto: require write access to mount to set encryption policy 2016-09-10 01:18:57 -04:00
debugfs debugfs: propagate release() call result 2016-09-27 12:45:57 +02:00
devpts devpts: Change the owner of /dev/pts/ptmx to the mounter of /dev/pts 2016-09-23 11:31:31 +02:00
dlm dlm: fix malfunction of dlm_tool caused by debugfs changes 2016-08-26 13:22:14 -05:00
ecryptfs ecryptfs: don't allow mmap when the lower fs doesn't support it 2016-07-08 10:35:28 -05:00
efivarfs fs/efivarfs: Fix double kfree() in error path 2016-09-09 16:08:48 +01:00
efs fs/efs/super.c: fix return value 2016-05-20 17:58:30 -07:00
exofs block, fs, mm, drivers: use bio set/get op accessors 2016-06-07 13:41:38 -06:00
exportfs introduce a parallel variant of ->iterate() 2016-05-02 19:49:29 -04:00
ext2 Merge branch 'work.const-qstr' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-08-06 09:49:02 -04:00
ext4 fscrypto: require write access to mount to set encryption policy 2016-09-10 01:18:57 -04:00
f2fs fscrypto: require write access to mount to set encryption policy 2016-09-10 01:18:57 -04:00
fat Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-08-07 10:01:14 -04:00
freevxfs freevxfs: update Kconfig information 2016-06-13 10:20:39 +02:00
fscache Merge branch 'd_real' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs into work.misc 2016-06-30 23:34:49 -04:00
fuse fuse: direct-io: don't dirty ITER_BVEC pages 2016-08-24 18:17:04 +02:00
gfs2 GFS2: Limit number of transaction blocks requested for truncates 2017-01-05 14:47:36 -05:00
hfs Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-08-07 10:01:14 -04:00
hfsplus Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-08-07 10:01:14 -04:00
hostfs hostfs: Freeing an ERR_PTR in hostfs_fill_sb_common() 2016-08-04 00:18:10 +02:00
hpfs get rid of 'parent' argument of ->d_compare() 2016-07-31 16:37:25 -04:00
hugetlbfs
isofs get rid of 'parent' argument of ->d_compare() 2016-07-31 16:37:25 -04:00
jbd2 The major change this cycle is deleting ext4's copy of the file system 2016-07-26 18:35:55 -07:00
jffs2 vfs: make the string hashes salt the hash 2016-06-10 20:21:46 -07:00
jfs jfs: Simplify code 2016-09-06 12:17:24 -05:00
kernfs kernfs: don't depend on d_find_any_alias() when generating notifications 2016-08-31 14:48:52 +02:00
lockd Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-07-28 12:59:05 -07:00
logfs Merge branch 'work.const-qstr' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-08-06 09:49:02 -04:00
minix simple local filesystems: switch to ->iterate_shared() 2016-05-02 19:49:32 -04:00
ncpfs get rid of 'parent' argument of ->d_compare() 2016-07-31 16:37:25 -04:00
nfs NFSv4.1: Fix the CREATE_SESSION slot number accounting 2016-09-11 14:56:44 -04:00
nfs_common
nfsd nfsd: don't return an unhashed lock stateid after taking mutex 2016-08-12 16:10:25 -04:00
nilfs2 nilfs2: move ioctl interface and disk layout to uapi separately 2016-08-02 19:35:21 -04:00
nls
notify fanotify: fix list corruption in fanotify_get_response() 2016-09-19 15:36:17 -07:00
ntfs Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-07-28 12:59:05 -07:00
ocfs2 ocfs2: fix deadlock on mmapped page in ocfs2_write_begin_nolock() 2016-09-30 15:26:52 -07:00
omfs more trivial ->iterate_shared conversions 2016-05-09 11:41:14 -04:00
openpromfs more trivial ->iterate_shared conversions 2016-05-09 11:41:14 -04:00
orangefs orangefs: Account for jiffies wraparound. 2016-08-02 15:39:13 -04:00
overlayfs Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2016-10-04 14:48:27 -07:00
proc Merge branch 'x86/urgent' into x86/asm 2016-09-30 12:38:28 +02:00
pstore ramoops: use persistent_ram_free() instead of kfree() for freeing prz 2016-08-05 11:21:46 -07:00
qnx4 more trivial ->iterate_shared conversions 2016-05-09 11:41:14 -04:00
qnx6 more trivial ->iterate_shared conversions 2016-05-09 11:41:14 -04:00
quota Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2016-07-29 15:54:19 -07:00
ramfs ipc/shm: fix crash if CONFIG_SHMEM is not set 2016-09-19 15:36:17 -07:00
reiserfs reiserfs: fix "new_insert_key may be used uninitialized ..." 2016-08-02 19:35:22 -04:00
romfs romfs, squashfs: switch to ->iterate_shared() 2016-05-09 11:41:15 -04:00
squashfs fs: have ll_rw_block users pass in op and flags separately 2016-06-07 13:41:38 -06:00
sysfs sysfs print name of undiscoverable attribute group 2016-09-27 12:24:29 +02:00
sysv vfs: make the string hashes salt the hash 2016-06-10 20:21:46 -07:00
tracefs tracefs: ->d_parent is never NULL or negative... 2016-05-29 16:22:07 -04:00
ubifs ubifs: Fix xattr generic handler usage 2016-08-23 23:02:52 +02:00
udf Merge branch 'for-4.8/drivers' of git://git.kernel.dk/linux-block 2016-07-26 15:37:51 -07:00
ufs Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-07-28 12:59:05 -07:00
xfs xfs: track log done items directly in the deferred pending work item 2016-08-30 13:51:39 +10:00
aio.c aio: mark AIO pseudo-fs noexec 2016-09-15 15:49:28 -07:00
anon_inodes.c
attr.c vfs: Don't modify inodes with a uid or gid unknown to the vfs 2016-07-05 15:06:46 -05:00
bad_inode.c switch ->setxattr() to passing dentry and inode separately 2016-05-27 20:09:16 -04:00
binfmt_aout.c fs: fix binfmt_aout.c build error 2016-05-28 16:34:59 -07:00
binfmt_elf_fdpic.c elf_fdpic_transfer_args_to_stack(): make it generic 2016-07-25 16:51:49 +10:00
binfmt_elf.c x86/coredump: Use pr_reg size, rather that TIF_IA32 flag 2016-09-14 21:28:10 +02:00
binfmt_em86.c fs/binfmt_em86.c: fix incompatible pointer type 2016-08-02 19:35:15 -04:00
binfmt_flat.c binfmt_flat: allow compressed flat binary format to work on MMU systems 2016-07-28 13:29:12 +10:00
binfmt_misc.c binfmt_misc for-linus on 20160727 2016-08-07 10:13:14 -04:00
binfmt_script.c
block_dev.c fs/block_dev: fix potential NULL ptr deref in freeze_bdev() 2016-08-25 08:38:26 -06:00
buffer.c xfs: update for 4.8-rc1 2016-07-27 09:53:35 -07:00
char_dev.c chardev: add missing line break in pr_warn 2016-07-14 16:21:53 +09:00
compat_binfmt_elf.c
compat_ioctl.c [media] cec: add compat32 ioctl support 2016-06-28 10:00:13 -03:00
compat.c Fix a number of bugs, most notably a potential stale data exposure 2016-05-24 12:55:26 -07:00
coredump.c coredump: fix dumping through pipes 2016-06-07 22:07:09 -04:00
dax.c libnvdimm for 4.8 2016-07-28 17:38:16 -07:00
dcache.c Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-08-07 10:01:14 -04:00
dcookies.c
direct-io.c direct-io: use bio set/get op accessors 2016-06-07 13:41:38 -06:00
drop_caches.c
eventfd.c
eventpoll.c fs: poll/select/recvmmsg: use timespec64 for timeout events 2016-05-19 19:12:14 -07:00
exec.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu 2016-08-04 18:04:44 -04:00
fcntl.c
fhandle.c
file_table.c
file.c give readdir(2)/getdents(2)/etc. uniform exclusion with lseek() 2016-05-02 19:49:28 -04:00
filesystems.c
fs_pin.c
fs_struct.c
fs-writeback.c mm, writeback: flush plugged IO in wakeup_flusher_threads() 2016-08-09 19:58:06 -06:00
inode.c Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-08-07 10:01:14 -04:00
internal.h binfmt_misc for-linus on 20160727 2016-08-07 10:13:14 -04:00
ioctl.c vfs: cap dedupe request structure size at PAGE_SIZE 2016-09-15 13:29:52 -07:00
iomap.c iomap: don't set FIEMAP_EXTENT_MERGED for extent based filesystems 2016-08-29 11:33:58 +10:00
Kconfig fs/locks: Replace lg_local with a per-cpu spinlock 2016-09-22 15:25:53 +02:00
Kconfig.binfmt m68k: enable binfmt_flat on systems with an MMU 2016-07-28 13:29:13 +10:00
libfs.c lockless next_positive() 2016-06-20 17:11:29 -04:00
locks.c File locking related changes for v4.9 2016-10-04 13:36:19 -07:00
Makefile fs: introduce iomap infrastructure 2016-06-21 09:23:11 +10:00
mbcache.c
mount.h
mpage.c block/mm: make bdev_ops->rw_page() take a bool for read/write 2016-08-07 14:41:02 -06:00
namei.c fs: return EPERM on immutable inode 2016-08-07 10:03:31 -04:00
namespace.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2016-07-29 15:54:19 -07:00
no-block.c
nsfs.c
open.c binfmt_misc for-linus on 20160727 2016-08-07 10:13:14 -04:00
pipe.c mm: memcontrol: only mark charged pages with PageKmemcg 2016-08-09 10:14:10 -07:00
pnode.c propogate_mnt: Handle the first propogated copy being a slave 2016-05-05 09:54:45 -05:00
pnode.h
posix_acl.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2016-07-29 15:54:19 -07:00
proc_namespace.c
read_write.c x86/syscalls: Add compat_sys_preadv64v2/compat_sys_pwritev64v2 2016-07-15 10:30:26 +02:00
readdir.c restore killability of old mutex_lock_killable(&inode->i_mutex) users 2016-05-26 00:13:25 -04:00
select.c fs: poll/select/recvmmsg: use timespec64 for timeout events 2016-05-19 19:12:14 -07:00
seq_file.c fs/seq_file: fix out-of-bounds read 2016-08-26 17:39:35 -07:00
signalfd.c
splice.c Merge branch 'ovl-fixes' into for-linus 2016-05-11 00:00:29 -04:00
stack.c
stat.c
statfs.c
super.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2016-07-29 15:54:19 -07:00
sync.c
timerfd.c timerfd: Reject ALARM timerfds without CAP_WAKE_ALARM 2016-06-09 23:42:38 +02:00
userfaultfd.c mm: introduce fault_env 2016-07-26 16:19:19 -07:00
utimes.c fs: return EPERM on immutable inode 2016-08-07 10:03:31 -04:00
xattr.c vfs: Don't modify inodes with a uid or gid unknown to the vfs 2016-07-05 15:06:46 -05:00