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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/f2fs.h
parent448f94909eb7056e53c882b82514ea4f3adcf544 (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/f2fs.h')
-rw-r--r--fs/f2fs/f2fs.h1
1 files changed, 0 insertions, 1 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index ee8eb33e2c25..906b2c4b50e7 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -754,7 +754,6 @@ struct f2fs_inode_info {
/* avoid racing between foreground op and gc */
struct rw_semaphore i_gc_rwsem[2];
- struct rw_semaphore i_mmap_sem;
struct rw_semaphore i_xattr_sem; /* avoid racing between reading and changing EAs */
int i_extra_isize; /* size of extra space located in i_addr */