tree 1d780da1a8a49c9eed1d390b92ece519f1fe9c3f
parent 6dbe51c251a327e012439c4772097a13df43c5b8
author Brian Foster <bfoster@redhat.com> 1361557976 -0500
committer Ben Myers <bpm@sgi.com> 1363631438 -0500

xfs: fix potential infinite loop in xfs_iomap_prealloc_size()

If freesp == 0, we could end up in an infinite loop while squashing
the preallocation. Break the loop when we've killed the prealloc
entirely.

Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>

(cherry picked from commit e78c420bfc2608bb5f9a0b9165b1071c1e31166a)