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charset="utf-8" NFSv4 mandates a change attribute to avoid problems with timestamp granularity, which Linux implements using the i_version counter. This is particularly important when the underlying filesystem is fast. Signed-off-by: Yangtao Li --- fs/f2fs/f2fs.h | 1 + fs/f2fs/inode.c | 1 + fs/f2fs/super.c | 1 + 3 files changed, 3 insertions(+) diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 9043cedfa12b..68fd2ef35104 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -28,6 +28,7 @@ =20 #include #include +#include =20 struct pagevec; =20 diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c index 560bfcad1af2..2604fa4a0704 100644 --- a/fs/f2fs/inode.c +++ b/fs/f2fs/inode.c @@ -32,6 +32,7 @@ void f2fs_mark_inode_dirty_sync(struct inode *inode, bool= sync) if (f2fs_inode_dirtied(inode, sync)) return; =20 + inode_inc_iversion(inode); mark_inode_dirty_sync(inode); } =20 diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 033af907c3b1..2bddccd47e3a 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -2204,6 +2204,7 @@ static void default_options(struct f2fs_sb_info *sbi,= bool remount) set_opt(sbi, MERGE_CHECKPOINT); F2FS_OPTION(sbi).unusable_cap =3D 0; sbi->sb->s_flags |=3D SB_LAZYTIME; + sbi->sb->s_flags |=3D SB_I_VERSION; if (!f2fs_is_readonly(sbi)) set_opt(sbi, FLUSH_MERGE); if (f2fs_sb_has_blkzoned(sbi)) --=20 2.39.0