This is a note to let you know that I've just added the patch titled
xfs: verify dirblocklog correctly
to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
xfs-verify-dirblocklog-correctly.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From hch@xxxxxx Thu Feb 2 11:15:31 2017
From: Christoph Hellwig <hch@xxxxxx>
Date: Thu, 2 Feb 2017 08:56:07 +0100
Subject: xfs: verify dirblocklog correctly
To: stable@xxxxxxxxxxxxxxx
Cc: linux-xfs@xxxxxxxxxxxxxxx, "Darrick J. Wong" <darrick.wong@xxxxxxxxxx>
Message-ID: <1486022171-8076-16-git-send-email-hch@xxxxxx>
From: "Darrick J. Wong" <darrick.wong@xxxxxxxxxx>
commit 83d230eb5c638949350f4761acdfc0af5cb1bc00 upstream.
sb_dirblklog is added to sb_blocklog to compute the directory block size
in bytes. Therefore, we must compare the sum of both those values
against XFS_MAX_BLOCKSIZE_LOG, not just dirblklog.
Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
Reviewed-by: Eric Sandeen <sandeen@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/xfs/libxfs/xfs_sb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/xfs/libxfs/xfs_sb.c
+++ b/fs/xfs/libxfs/xfs_sb.c
@@ -242,7 +242,7 @@ xfs_mount_validate_sb(
sbp->sb_blocklog < XFS_MIN_BLOCKSIZE_LOG ||
sbp->sb_blocklog > XFS_MAX_BLOCKSIZE_LOG ||
sbp->sb_blocksize != (1 << sbp->sb_blocklog) ||
- sbp->sb_dirblklog > XFS_MAX_BLOCKSIZE_LOG ||
+ sbp->sb_dirblklog + sbp->sb_blocklog > XFS_MAX_BLOCKSIZE_LOG ||
sbp->sb_inodesize < XFS_DINODE_MIN_SIZE ||
sbp->sb_inodesize > XFS_DINODE_MAX_SIZE ||
sbp->sb_inodelog < XFS_DINODE_MIN_LOG ||
Patches currently in stable-queue which might be from hch@xxxxxx are
queue-4.9/xfs-don-t-rely-on-total-in-xfs_alloc_space_available.patch
queue-4.9/xfs-replace-xfs_mode_to_ftype-table-with-switch-statement.patch
queue-4.9/xfs-fix-bogus-minleft-manipulations.patch
queue-4.9/xfs-fix-cow-writeback-race.patch
queue-4.9/xfs-sanity-check-inode-mode-when-creating-new-dentry.patch
queue-4.9/xfs-extsize-hints-are-not-unlikely-in-xfs_bmap_btalloc.patch
queue-4.9/xfs-bump-up-reserved-blocks-in-xfs_alloc_set_aside.patch
queue-4.9/xfs-add-missing-include-dependencies-to-xfs_dir2.h.patch
queue-4.9/xfs-fix-bmv_count-confusion-w-shared-extents.patch
queue-4.9/xfs-adjust-allocation-length-in-xfs_alloc_space_available.patch
queue-4.9/xfs-verify-dirblocklog-correctly.patch
queue-4.9/xfs-fix-xfs_mode_to_ftype-prototype.patch
queue-4.9/xfs-clear-_xbf_pages-from-buffers-when-readahead-page.patch
queue-4.9/xfs-remove-racy-hasattr-check-from-attr-ops.patch
queue-4.9/xfs-make-the-assert-condition-likely.patch
queue-4.9/xfs-sanity-check-directory-inode-di_size.patch
queue-4.9/xfs-don-t-print-warnings-when-xfs_log_force-fails.patch
queue-4.9/xfs-don-t-wrap-id-in-xfs_dq_get_next_id.patch
queue-4.9/xfs-sanity-check-inode-di_mode.patch
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