diff options
| author | Greg Kroah-Hartman <gregkh@suse.de> | 2011-02-17 09:56:40 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-02-17 09:56:55 -0800 |
| commit | 66b0835e2bb3d345f060a47bb8c8f883bd25ec2b (patch) | |
| tree | d1fc390dfa58f131df908267d87ef99d4522a596 /fs/xfs/xfs_iomap.c | |
| parent | 479b46b5599b1e610630d7332e168c1f9c4ee0b4 (diff) | |
| parent | 85e2efbb1db9a18d218006706d6e4fbeb0216213 (diff) | |
Merge 2.6.38-rc5 into usb-next
This is needed to resolve some merge conflicts that were found
in the USB host controller patches, and reported by Stephen Rothwell.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'fs/xfs/xfs_iomap.c')
| -rw-r--r-- | fs/xfs/xfs_iomap.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index 55582bd66659..8a0f044750c3 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -337,7 +337,12 @@ xfs_iomap_prealloc_size( int shift = 0; int64_t freesp; - alloc_blocks = XFS_B_TO_FSB(mp, ip->i_size); + /* + * rounddown_pow_of_two() returns an undefined result + * if we pass in alloc_blocks = 0. Hence the "+ 1" to + * ensure we always pass in a non-zero value. + */ + alloc_blocks = XFS_B_TO_FSB(mp, ip->i_size) + 1; alloc_blocks = XFS_FILEOFF_MIN(MAXEXTLEN, rounddown_pow_of_two(alloc_blocks)); |