From: Hao Xu <howeyxu@xxxxxxxxxxx> To enforce nowait semantics, error out -EAGAIN if atime needs to be updated. Signed-off-by: Hao Xu <howeyxu@xxxxxxxxxxx> --- fs/inode.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/inode.c b/fs/inode.c index e83b836f2d09..32d81be65cf9 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -1970,6 +1970,9 @@ int touch_atime(const struct path *path, bool nowait) if (!atime_needs_update(path, inode)) return 0; + if (nowait) + return -EAGAIN; + if (!sb_start_write_trylock(inode->i_sb)) return 0; -- 2.25.1 -- Linux-cachefs mailing list Linux-cachefs@xxxxxxxxxx https://listman.redhat.com/mailman/listinfo/linux-cachefs
