summaryrefslogtreecommitdiff
path: root/fs/f2fs/file.c
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-09-05 08:13:24 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-09-05 08:13:24 +0200
commit9c2edd8b5bcb36ec6c890dd85f8fd13034aaa43e (patch)
tree052b3c229e00462cd0c5773c8b6b9fe314e86f38 /fs/f2fs/file.c
parentaa652b1ccbd0d3a9cd4ecdec6d36935f78c838da (diff)
parentc6935931c1894ff857616ff8549b61236a19148f (diff)
Merge 4.8-rc5 into staging-next
We want the staging fixes in here as well to handle merge issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/f2fs/file.c')
-rw-r--r--fs/f2fs/file.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 0e493f63ea41..47abb96098e4 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -2086,15 +2086,19 @@ static int f2fs_move_file_range(struct file *file_in, loff_t pos_in,
if (unlikely(f2fs_readonly(src->i_sb)))
return -EROFS;
- if (S_ISDIR(src->i_mode) || S_ISDIR(dst->i_mode))
- return -EISDIR;
+ if (!S_ISREG(src->i_mode) || !S_ISREG(dst->i_mode))
+ return -EINVAL;
if (f2fs_encrypted_inode(src) || f2fs_encrypted_inode(dst))
return -EOPNOTSUPP;
inode_lock(src);
- if (src != dst)
- inode_lock(dst);
+ if (src != dst) {
+ if (!inode_trylock(dst)) {
+ ret = -EBUSY;
+ goto out;
+ }
+ }
ret = -EINVAL;
if (pos_in + len > src->i_size || pos_in + len < pos_in)
@@ -2152,6 +2156,7 @@ static int f2fs_move_file_range(struct file *file_in, loff_t pos_in,
out_unlock:
if (src != dst)
inode_unlock(dst);
+out:
inode_unlock(src);
return ret;
}