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ext4: make s_mount_flags modifications atomic
authorHarshad Shirwadkar <harshadshirwadkar@gmail.com>
Fri, 6 Nov 2020 03:59:09 +0000 (19:59 -0800)
committerTheodore Ts'o <tytso@mit.edu>
Sat, 7 Nov 2020 04:01:05 +0000 (23:01 -0500)
commit9b5f6c9b83d912c63ef9fb486a052be79b06f8b0
tree5d0127495732468728724cb2af09b387947abc74tree | snapshot
parentda0c5d2695265962f20099737348fcb3ff524d0fcommit | diff
ext4: make s_mount_flags modifications atomic

Fast commit file system states are recorded in
sbi->s_mount_flags. Fast commit expects these bit manipulations to be
atomic. This patch adds helpers to make those modifications atomic.

Suggested-by: Jan Kara <jack@suse.cz>
Signed-off-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com>
Link: https://lore.kernel.org/r/20201106035911.1942128-21-harshadshirwadkar@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
fs/ext4/ext4.h diff | blob | history
fs/ext4/fast_commit.c diff | blob | history
fs/ext4/file.c diff | blob | history
fs/ext4/fsync.c diff | blob | history
fs/ext4/inode.c diff | blob | history
fs/ext4/mballoc.c diff | blob | history
fs/ext4/super.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git