f2fs_fiemap() will only traverse metadata of inode, let's use shared
inode lock for it to avoid unnecessary race on inode lock.
Signed-off-by: Chao Yu <c...@kernel.org>
---
fs/f2fs/data.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 4e42b5f24deb..42f0f6184f73 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -1992,7 +1992,7 @@ int f2fs_fiemap(struct inode *inode, struct
fiemap_extent_info *fieinfo,
if (ret)
return ret;
- inode_lock(inode);
+ inode_lock_shared(inode);
maxbytes = max_file_blocks(inode) << F2FS_BLKSIZE_BITS;
if (start > maxbytes) {
@@ -2112,7 +2112,7 @@ int f2fs_fiemap(struct inode *inode, struct
fiemap_extent_info *fieinfo,
if (ret == 1)
ret = 0;
- inode_unlock(inode);
+ inode_unlock_shared(inode);
return ret;
}
--
2.40.1
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