Merge branch 'for-linus' of git://oss.sgi.com/xfs/xfs

* 'for-linus' of git://oss.sgi.com/xfs/xfs:
  xfs: fix getbmap vs mmap deadlock
  xfs: a couple getbmap cleanups
  xfs: add more checks to superblock validation
  xfs_file_last_byte() needs to acquire ilock

1 files changed, 3 insertions, 0 deletions

diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index b101990df027..65a99725d0cc 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -291,14 +291,17 @@ xfs_mount_validate_sb(
             sbp->sb_sectsize > XFS_MAX_SECTORSIZE                       ||
             sbp->sb_sectlog < XFS_MIN_SECTORSIZE_LOG                    ||
             sbp->sb_sectlog > XFS_MAX_SECTORSIZE_LOG                    ||
+            sbp->sb_sectsize != (1 << sbp->sb_sectlog)                  ||
             sbp->sb_blocksize < XFS_MIN_BLOCKSIZE                       ||
             sbp->sb_blocksize > XFS_MAX_BLOCKSIZE                       ||
             sbp->sb_blocklog < XFS_MIN_BLOCKSIZE_LOG                    ||
             sbp->sb_blocklog > XFS_MAX_BLOCKSIZE_LOG                    ||
+            sbp->sb_blocksize != (1 << sbp->sb_blocklog)                ||
             sbp->sb_inodesize < XFS_DINODE_MIN_SIZE                     ||
             sbp->sb_inodesize > XFS_DINODE_MAX_SIZE                     ||
             sbp->sb_inodelog < XFS_DINODE_MIN_LOG                       ||
             sbp->sb_inodelog > XFS_DINODE_MAX_LOG                       ||
+            sbp->sb_inodesize != (1 << sbp->sb_inodelog)                ||
             (sbp->sb_blocklog - sbp->sb_inodelog != sbp->sb_inopblog)   ||
             (sbp->sb_rextsize * sbp->sb_blocksize > XFS_MAX_RTEXTSIZE)  ||
             (sbp->sb_rextsize * sbp->sb_blocksize < XFS_MIN_RTEXTSIZE)  ||