mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-10-02 07:04:24 +00:00
f2fs: use shared inode lock during f2fs_fiemap()
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 <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
parent
ff6584ac2c
commit
9458915036
1 changed files with 2 additions and 2 deletions
|
@ -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;
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in a new issue