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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2007-10-16 23:27:02 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-17 08:42:52 -0700
commit7c9e69faa28027913ee059c285a5ea8382e24b5d (patch)
tree951e6e780da734c61337eb8fef23ac3ad68b1e18 /fs/exportfs
parent82df39738ba9e02c057fa99b7461a56117d36119 (diff)
downloadlinux-7c9e69faa28027913ee059c285a5ea8382e24b5d.tar.gz
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ext2/ext3/ext4: add block bitmap validation
When a new block bitmap is read from disk in read_block_bitmap() there are a few bits that should ALWAYS be set. In particular, the blocks given by ext4_blk_bitmap, ext4_inode_bitmap and ext4_inode_table. Validate the block bitmap against these blocks. [akpm@linux-foundation.org: cleanups] Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by: Andreas Dilger <adilger@clusterfs.com> Acked-by: Mingming Cao <cmm@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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