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: NBrian Foster <bfoster@redhat.com> Reviewed-by: NDave Chinner <dchinner@redhat.com> Signed-off-by: NBen Myers <bpm@sgi.com> (cherry picked from commit e78c420b)
Showing
想要评论请 注册 或 登录