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authorJan Kara <jack@suse.cz>2021-04-13 18:10:37 +0200
committerJan Kara <jack@suse.cz>2021-07-13 14:29:01 +0200
commitedc6d01bad7331b376a1a8f5c6d8e9221e9f9f37 (patch)
tree5cca3b28b2310be5cc9a5a43acea7df7bec4756f /fs/f2fs/super.c
parentzonefs: Convert to using invalidate_lock (diff)
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f2fs: Convert to using invalidate_lock
Use invalidate_lock instead of f2fs' 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: Jaegeuk Kim <jaegeuk@kernel.org> CC: Chao Yu <yuchao0@huawei.com> CC: linux-f2fs-devel@lists.sourceforge.net Acked-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/f2fs/super.c')
-rw-r--r--fs/f2fs/super.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 8fecd3050ccd..ce2ab1b85c11 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1289,7 +1289,6 @@ static struct inode *f2fs_alloc_inode(struct super_block *sb)
mutex_init(&fi->inmem_lock);
init_rwsem(&fi->i_gc_rwsem[READ]);
init_rwsem(&fi->i_gc_rwsem[WRITE]);
- init_rwsem(&fi->i_mmap_sem);
init_rwsem(&fi->i_xattr_sem);
/* Will be used by directory only */