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188c299e2a
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Jan Kara 188c299e2a ext4: Support for checksumming from journal triggers 
JBD2 layer support triggers which are called when journaling layer moves
buffer to a certain state. We can use the frozen trigger, which gets
called when buffer data is frozen and about to be written out to the
journal, to compute block checksums for some buffer types (similarly as
does ocfs2). This avoids unnecessary repeated recomputation of the
checksum (at the cost of larger window where memory corruption won't be
caught by checksumming) and is even necessary when there are
unsynchronized updaters of the checksummed data.

So add superblock and journal trigger type arguments to
ext4_journal_get_write_access() and ext4_journal_get_create_access() so
that frozen triggers can be set accordingly. Also add inode argument to
ext4_walk_page_buffers() and all the callbacks used with that function
for the same purpose. This patch is mostly only a change of prototype of
the above mentioned functions and a few small helpers. Real checksumming
will come later.

Reviewed-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20210816095713.16537-1-jack@suse.cz
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2021-08-30 23:36:50 -04:00
..
9p 9p for 5.13-rc1 2021-05-07 11:18:52 -07:00
adfs mm: require ->set_page_dirty to be explicitly wired up 2021-06-29 10:53:48 -07:00
affs mm: require ->set_page_dirty to be explicitly wired up 2021-06-29 10:53:48 -07:00
afs netfslib fixes 2021-06-25 09:41:29 -07:00
autofs autofs: should_expire() argument is guaranteed to be positive 2021-03-24 14:14:27 -04:00
befs fs/befs: Delete obsolete TODO file 2021-03-30 16:54:49 -07:00
bfs mm: require ->set_page_dirty to be explicitly wired up 2021-06-29 10:53:48 -07:00
btrfs for-5.14-rc1-tag 2021-07-13 12:02:07 -07:00
cachefiles fscache, cachefiles: Add alternate API to use kiocb for read/write to cache 2021-04-23 10:14:32 +01:00
ceph ceph: take reference to req->r_parent at point of assignment 2021-06-29 00:15:52 +02:00
cifs cifs: do not share tcp sessions of dfs connections 2021-07-16 00:21:47 -05:00
coda coda: fix reference counting in coda_file_mmap error path 2021-04-23 14:42:39 -07:00
configfs configfs: fix the read and write iterators 2021-07-13 20:56:24 +02:00
cramfs cramfs: use %pD instead of messing with file_dentry()->d_name 2021-01-05 23:02:47 -05:00
crypto fscrypt: fix derivation of SipHash keys on big endian CPUs 2021-06-05 00:52:52 -07:00
debugfs Linux 5.13-rc6 2021-06-14 09:07:45 +02:00
devpts
dlm fs: dlm: invalid buffer access in lookup error 2021-06-11 12:44:47 -05:00
ecryptfs mm: require ->set_page_dirty to be explicitly wired up 2021-06-29 10:53:48 -07:00
efivarfs efivars: convert to fileattr 2021-04-12 15:04:29 +02:00
efs
erofs erofs: clean up file headers & footers 2021-06-08 00:41:24 +08:00
exfat Description for this pull request: 2021-07-06 11:06:04 -07:00
exportfs exportfs: Add a function to return the raw output from fh_to_dentry() 2020-12-09 09:39:38 -05:00
ext2 fs: remove noop_set_page_dirty() 2021-06-29 10:53:48 -07:00
ext4 ext4: Support for checksumming from journal triggers 2021-08-30 23:36:50 -04:00
f2fs f2fs: drop dirty node pages when cp is in error status 2021-07-06 22:05:06 -07:00
fat mm: require ->set_page_dirty to be explicitly wired up 2021-06-29 10:53:48 -07:00
freevxfs
fscache fscache, cachefiles: Add alternate API to use kiocb for read/write to cache 2021-04-23 10:14:32 +01:00
fuse fuse update for 5.14 2021-07-06 11:17:41 -07:00
gfs2 Various minor gfs2 cleanups and fixes 2021-06-29 20:23:08 -07:00
hfs hfs: add lock nesting notation to hfs_find_init 2021-07-15 10:13:49 -07:00
hfsplus hfsplus: report create_date to kstat.btime 2021-07-01 11:06:06 -07:00
hostfs Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2021-05-02 09:14:01 -07:00
hpfs mm: require ->set_page_dirty to be explicitly wired up 2021-06-29 10:53:48 -07:00
hugetlbfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2021-06-28 20:39:26 -07:00
iomap iomap: Don't create iomap_page objects in iomap_page_mkwrite_actor 2021-07-15 09:58:06 -07:00
isofs isofs: remove redundant continue statement 2021-06-17 17:11:42 +02:00
jbd2 ext4: Support for checksumming from journal triggers 2021-08-30 23:36:50 -04:00
jffs2 This pull request contains changes for JFFS2, UBI and UBIFS 2021-05-04 18:08:40 -07:00
jfs JFS fixes for 5.14 2021-07-02 14:25:17 -07:00
kernfs Driver core changes for 5.14-rc1 2021-07-05 13:51:41 -07:00
lockd lockd: Update the NLMv4 SHARE results encoder to use struct xdr_stream 2021-07-06 20:14:44 -04:00
minix mm: require ->set_page_dirty to be explicitly wired up 2021-06-29 10:53:48 -07:00
netfs netfs: fix test for whether we can skip read when writing beyond EOF 2021-06-21 21:24:07 +01:00
nfs NFS client updates for Linux 5.14 2021-07-09 09:43:57 -07:00
nfs_common nfs_common: fix doc warning 2021-07-06 20:14:41 -04:00
nfsd block-5.14-2021-07-08 2021-07-09 12:05:33 -07:00
nilfs2 Merge branch 'akpm' (patches from Andrew) 2021-07-02 12:08:10 -07:00
nls
notify fanotify: fix copy_event_to_user() fid error clean up 2021-06-14 12:16:37 +02:00
ntfs Merge branch 'work.iov_iter' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2021-07-03 11:30:04 -07:00
ocfs2 In addition to bug fixes and cleanups, there are two new features for 2021-06-30 19:37:39 -07:00
omfs mm: require ->set_page_dirty to be explicitly wired up 2021-06-29 10:53:48 -07:00
openpromfs openpromfs: don't do unlock_new_inode() until the new inode is set up 2021-03-12 22:15:22 -05:00
orangefs orangefs: fix orangefs df output. 2021-06-28 08:40:08 -04:00
overlayfs overlayfs update for 5.13 2021-04-30 15:17:08 -07:00
proc Merge branch 'work.namei' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2021-07-03 11:41:14 -07:00
pstore for-5.14/drivers-2021-06-29 2021-06-30 12:21:16 -07:00
qnx4
qnx6
quota quota: remove unnecessary oom message 2021-06-22 10:40:52 +02:00
ramfs fs: move ramfs_aops to libfs 2021-06-29 10:53:48 -07:00
reiserfs \n 2021-07-01 12:06:39 -07:00
romfs
squashfs squashfs: add option to panic on errors 2021-06-29 10:53:46 -07:00
sysfs sysfs: Support zapping of binary attr mmaps 2021-01-12 14:26:31 +01:00
sysv mm: require ->set_page_dirty to be explicitly wired up 2021-06-29 10:53:48 -07:00
tracefs tracing: Fix various typos in comments 2021-03-23 14:08:18 -04:00
ubifs ubifs: Set/Clear I_LINKABLE under i_lock for whiteout inode 2021-06-22 09:21:39 +02:00
udf \n 2021-07-01 12:06:39 -07:00
ufs mm: require ->set_page_dirty to be explicitly wired up 2021-06-29 10:53:48 -07:00
unicode .gitignore: prefix local generated files with a slash 2021-05-02 00:43:35 +09:00
vboxsf vboxsf: Add support for the atomic_open directory-inode op 2021-06-23 14:36:52 +02:00
verity fsverity: relax build time dependency on CRYPTO_SHA256 2021-04-22 17:31:32 +10:00
xfs Fixes for 5.14-rc: 2021-07-18 11:27:25 -07:00
zonefs zonefs: remove redundant null bio check 2021-07-16 13:45:18 +09:00
aio.c Revert "mremap: don't allow MREMAP_DONTUNMAP on special_mappings and aio" 2021-04-30 11:20:39 -07:00
anon_inodes.c fs: anon_inodes: rephrase to appropriate kernel-doc 2021-01-15 12:17:25 -05:00
attr.c ima: handle idmapped mounts 2021-01-24 14:27:20 +01:00
bad_inode.c fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
binfmt_aout.c binfmt: remove in-tree usage of MAP_EXECUTABLE 2021-06-29 10:53:50 -07:00
binfmt_elf_fdpic.c Merge branch 'akpm' (patches from Andrew) 2021-06-29 17:29:11 -07:00
binfmt_elf.c Merge branch 'akpm' (patches from Andrew) 2021-06-29 17:29:11 -07:00
binfmt_em86.c
binfmt_flat.c binfmt: remove in-tree usage of MAP_EXECUTABLE 2021-06-29 10:53:50 -07:00
binfmt_misc.c binfmt_misc: fix possible deadlock in bm_register_write 2021-03-13 11:27:30 -08:00
binfmt_script.c
block_dev.c Char / Misc driver updates for 5.14-rc1 2021-07-05 13:42:16 -07:00
buffer.c mm/writeback: move __set_page_dirty() to core mm 2021-06-29 10:53:48 -07:00
char_dev.c
compat_binfmt_elf.c get rid of COMPAT_ELF_EXEC_PAGESIZE 2021-01-06 08:42:51 -05:00
coredump.c Merge branch 'work.namei' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2021-07-03 11:41:14 -07:00
d_path.c getcwd(2): clean up error handling 2021-05-18 20:15:58 -04:00
dax.c dax: fix ENOMEM handling in grab_mapping_entry() 2021-06-29 10:53:47 -07:00
dcache.c useful constants: struct qstr for ".." 2021-04-15 22:36:45 -04:00
direct-io.c fs: direct-io: fix missing sdio->boundary 2021-04-09 14:54:23 -07:00
drop_caches.c
eventfd.c
eventpoll.c fs/epoll: restore waking from ep_done_scan() 2021-05-06 19:24:13 -07:00
exec.c Merge branch 'akpm' (patches from Andrew) 2021-07-02 12:08:10 -07:00
fcntl.c fcntl: Fix unreachable code in do_fcntl() 2021-07-12 11:09:13 -05:00
fhandle.c switch file_open_root() to struct path 2021-04-07 13:56:43 -04:00
file_table.c
file.c Merge branch 'work.file' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2021-05-03 11:05:28 -07:00
filesystems.c
fs_context.c fs: add vfs_parse_fs_param_source() helper 2021-07-14 09:19:06 -07:00
fs_parser.c vfs: fs_parser: clean up kernel-doc warnings 2021-04-30 11:20:35 -07:00
fs_pin.c
fs_struct.c
fs_types.c
fs-writeback.c \n 2021-07-01 12:06:39 -07:00
fsopen.c
init.c init: handle idmapped mounts 2021-01-24 14:27:19 +01:00
inode.c mm: remove nrexceptional from inode: remove BUG_ON 2021-05-05 11:27:20 -07:00
internal.h switch file_open_root() to struct path 2021-04-07 13:56:43 -04:00
io_uring.c io_uring: fix io_drain_req() 2021-07-11 16:39:06 -06:00
io-wq.c io_uring: fix false WARN_ONCE 2021-06-18 09:22:02 -06:00
io-wq.h io_uring: move creds from io-wq work to io_kiocb 2021-06-18 09:22:02 -06:00
ioctl.c vfs: add fileattr ops 2021-04-12 15:04:23 +02:00
Kconfig mm: hugetlb: introduce CONFIG_HUGETLB_PAGE_FREE_VMEMMAP_DEFAULT_ON 2021-06-30 20:47:26 -07:00
Kconfig.binfmt binfmt_flat: allow not offsetting data start 2021-04-19 09:56:37 +10:00
kernel_read_file.c switch file_open_root() to struct path 2021-04-07 13:56:43 -04:00
libfs.c fs: remove noop_set_page_dirty() 2021-06-29 10:53:48 -07:00
locks.c Additional fixes and clean-ups for NFSD since tags/nfsd-5.13, 2021-05-05 13:44:19 -07:00
Makefile netfs: Provide readahead and readpage netfs helpers 2021-04-23 10:14:32 +01:00
mbcache.c
mount.h mount: make {lock,unlock}_mount_hash() static 2021-01-24 14:29:34 +01:00
mpage.c block: rename BIO_MAX_PAGES to BIO_MAX_VECS 2021-03-11 07:47:48 -07:00
namei.c Merge branch 'work.namei' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2021-07-03 11:41:14 -07:00
namespace.c mount: Support "nosymfollow" in new mount api 2021-06-01 12:09:27 +02:00
no-block.c
nsfs.c
open.c Merge branch 'work.namei' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2021-07-03 11:41:14 -07:00
pipe.c fs: delete repeated words in comments 2021-02-24 13:38:26 -08:00
pnode.c
pnode.h mount: fix mounting of detached mounts onto targets that reside on shared mounts 2021-03-08 15:18:43 +01:00
posix_acl.c fs: make helpers idmap mount aware 2021-01-24 14:27:20 +01:00
proc_namespace.c fs: introduce MOUNT_ATTR_IDMAP 2021-01-24 14:43:45 +01:00
read_write.c teach sendfile(2) to handle send-to-pipe directly 2021-01-25 23:29:36 -05:00
readdir.c readdir: make sure to verify directory entry for legacy interfaces too 2021-04-17 11:39:49 -07:00
remap_range.c ioctl: handle idmapped mounts 2021-01-24 14:27:19 +01:00
select.c kernel, fs: Introduce and use set_restart_fn() and arch_set_restart_data() 2021-03-16 22:13:10 +01:00
seq_file.c seq_file: drop unused *_escape_mem_ascii() 2021-07-01 11:06:05 -07:00
signalfd.c signalfd: Remove SIL_PERF_EVENT fields from signalfd_siginfo 2021-05-18 16:20:54 -05:00
splice.c for-5.12/block-2021-02-17 2021-02-21 11:02:48 -08:00
stack.c
stat.c fs: fix reporting supported extra file attributes for statx() 2021-04-17 23:03:50 -04:00
statfs.c s390,alpha: switch to 64-bit ino_t 2021-02-13 17:17:53 +01:00
super.c block: move bd_mutex to struct gendisk 2021-06-01 07:44:32 -06:00
sync.c
timerfd.c
userfaultfd.c Merge branch 'akpm' (patches from Andrew) 2021-07-02 12:08:10 -07:00
utimes.c utimes: handle idmapped mounts 2021-01-24 14:27:18 +01:00
xattr.c xattr: fix kernel-doc for mnt_userns and vfs xattr helpers 2021-03-23 11:20:26 +01:00