From d1f3a046a65db6416f9db0df03c6c1ca5916ac21 Mon Sep 17 00:00:00 2001 From: Daeho Jeong Date: Wed, 4 Sep 2024 08:33:06 -0700 Subject: [PATCH] FROMGIT: f2fs: prevent atomic file from being dirtied before commit Keep atomic file clean while updating and make it dirtied during commit in order to avoid unnecessary and excessive inode updates in the previous fix. Fixes: 4bf78322346f ("f2fs: mark inode dirty for FI_ATOMIC_COMMITTED flag") Change-Id: I2a29d047fa4233632876c61cf909340d1f60c26d Signed-off-by: Daeho Jeong Signed-off-by: Jaegeuk Kim Bug: 352181300 (cherry picked from commit fccaa81de87e80b1809906f7e438e5766fbdc172 https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git dev) Change-Id: I5970e56a5318804cfebea340b5b19d6e0a66dc01 Signed-off-by: Daeho Jeong --- fs/f2fs/f2fs.h | 2 +- fs/f2fs/inode.c | 5 +++++ fs/f2fs/segment.c | 8 ++++++++ 3 files changed, 14 insertions(+), 1 deletion(-) diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index d76e8db779d5..2471494f90a0 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -798,6 +798,7 @@ enum { FI_ALIGNED_WRITE, /* enable aligned write */ FI_COW_FILE, /* indicate COW file */ FI_ATOMIC_COMMITTED, /* indicate atomic commit completed except disk sync */ + FI_ATOMIC_DIRTIED, /* indicate atomic file is dirtied */ FI_ATOMIC_REPLACE, /* indicate atomic replace */ FI_MAX, /* max flag, never be used */ }; @@ -3001,7 +3002,6 @@ static inline void __mark_inode_dirty_flag(struct inode *inode, case FI_INLINE_DOTS: case FI_PIN_FILE: case FI_COMPRESS_RELEASED: - case FI_ATOMIC_COMMITTED: f2fs_mark_inode_dirty_sync(inode, true); } } diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c index c18167cf14b2..6d5cf1409733 100644 --- a/fs/f2fs/inode.c +++ b/fs/f2fs/inode.c @@ -30,6 +30,11 @@ void f2fs_mark_inode_dirty_sync(struct inode *inode, bool sync) if (f2fs_inode_dirtied(inode, sync)) return; + if (f2fs_is_atomic_file(inode)) { + set_inode_flag(inode, FI_ATOMIC_DIRTIED); + return; + } + mark_inode_dirty_sync(inode); } diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index bb7a8b384547..a80d4281b5b2 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -199,6 +199,10 @@ void f2fs_abort_atomic_write(struct inode *inode, bool clean) clear_inode_flag(inode, FI_ATOMIC_COMMITTED); clear_inode_flag(inode, FI_ATOMIC_REPLACE); clear_inode_flag(inode, FI_ATOMIC_FILE); + if (is_inode_flag_set(inode, FI_ATOMIC_DIRTIED)) { + clear_inode_flag(inode, FI_ATOMIC_DIRTIED); + f2fs_mark_inode_dirty_sync(inode, true); + } stat_dec_atomic_inode(inode); F2FS_I(inode)->atomic_write_task = NULL; @@ -368,6 +372,10 @@ out: } else { sbi->committed_atomic_block += fi->atomic_write_cnt; set_inode_flag(inode, FI_ATOMIC_COMMITTED); + if (is_inode_flag_set(inode, FI_ATOMIC_DIRTIED)) { + clear_inode_flag(inode, FI_ATOMIC_DIRTIED); + f2fs_mark_inode_dirty_sync(inode, true); + } } __complete_revoke_list(inode, &revoke_list, ret ? true : false);