BTRFS: Fix lseek return value for error
authorJeff Liu <jeff.liu@oracle.com>
Sun, 18 Sep 2011 14:34:02 +0000 (10:34 -0400)
committerChris Mason <chris.mason@oracle.com>
Sun, 18 Sep 2011 14:34:02 +0000 (10:34 -0400)
commit48802c8ae2a9d618ec734a61283d645ad527e06c
treeee6da3e2edae6e355e6133dafd08d5323c136ac5
parent2cf4ce7c2a07782c3f4d899b380a78522bca3238
BTRFS: Fix lseek return value for error

The recent reworking of btrfs' lseek lead to incorrect
values being returned.  This adds checks for seeking
beyond EOF in SEEK_HOLE and makes sure the error
values come back correct.

Andi Kleen also sent in similar patches.

Signed-off-by: Jie Liu <jeff.liu@oracle.com>
Reported-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
fs/btrfs/file.c