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xfs: add support for large btree blocks

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Add support for larger btree blocks that contains a CRC32C checksum,
a filesystem uuid and block number for detecting filesystem
consistency and out of place writes.

[dchinner@redhat.com] Also include an owner field to allow reverse
mappings to be implemented for improved repairability and a LSN
field to so that log recovery can easily determine the last
modification that made it to disk for each buffer.

[dchinner@redhat.com] Add buffer log format flags to indicate the
type of buffer to recovery so that we don't have to do blind magic
number tests to determine what the buffer is.

[dchinner@redhat.com] Modified to fit into the verifier structure.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Ben Myers <bpm@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
This commit is contained in:
Christoph Hellwig
2013-04-21 14:53:46 -05:00
committed by Ben Myers
parent a2050646f6
commit ee1a47ab0e
17 changed files with 642 additions and 206 deletions
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2
fs/xfs/xfs_attr_leaf.c
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@@ -232,7 +232,7 @@ xfs_attr_shortform_bytesfit(xfs_inode_t *dp, int bytes)
return 0;
return dp->i_d.di_forkoff;
}
dsize = XFS_BMAP_BROOT_SPACE(dp->i_df.if_broot);
dsize = XFS_BMAP_BROOT_SPACE(mp, dp->i_df.if_broot);
break;
}