diff options
| author | Jan Kara <jack@suse.cz> | 2021-04-21 17:18:39 +0200 |
|---|---|---|
| committer | Jan Kara <jack@suse.cz> | 2021-07-13 14:29:01 +0200 |
| commit | 8bcbbe9c7c8e49281fc2e0a6c5455b87c85a9c2a (patch) | |
| tree | e278ecd836e4441bd4af2d0bfdabcda6059e0ff3 /fs/fuse/fuse_i.h | |
| parent | edc6d01bad7331b376a1a8f5c6d8e9221e9f9f37 (diff) | |
fuse: Convert to using invalidate_lock
Use invalidate_lock instead of fuse's private i_mmap_sem. The intended
purpose is exactly the same. By this conversion we fix a long standing
race between hole punching and read(2) / readahead(2) paths that can
lead to stale page cache contents.
CC: Miklos Szeredi <miklos@szeredi.hu>
Reviewed-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/fuse/fuse_i.h')
| -rw-r--r-- | fs/fuse/fuse_i.h | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index 07829ce78695..6fb639b97ea8 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h @@ -149,13 +149,6 @@ struct fuse_inode { /** Lock to protect write related fields */ spinlock_t lock; - /** - * Can't take inode lock in fault path (leads to circular dependency). - * Introduce another semaphore which can be taken in fault path and - * then other filesystem paths can take this to block faults. - */ - struct rw_semaphore i_mmap_sem; - #ifdef CONFIG_FUSE_DAX /* * Dax specific inode data |