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| 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/inode.c | |
| parent | f2fs: Convert to using invalidate_lock (diff) | |
| download | linux-dev-8bcbbe9c7c8e49281fc2e0a6c5455b87c85a9c2a.tar.xz linux-dev-8bcbbe9c7c8e49281fc2e0a6c5455b87c85a9c2a.zip | |
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 '')
| -rw-r--r-- | fs/fuse/inode.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index b9beb39a4a18..e07e429f32e1 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -85,7 +85,6 @@ static struct inode *fuse_alloc_inode(struct super_block *sb) fi->orig_ino = 0; fi->state = 0; mutex_init(&fi->mutex); - init_rwsem(&fi->i_mmap_sem); spin_lock_init(&fi->lock); fi->forget = fuse_alloc_forget(); if (!fi->forget) |