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| author | Christoph Hellwig <hch@lst.de> | 2013-04-03 16:11:16 +1100 |
|---|---|---|
| committer | Ben Myers <bpm@sgi.com> | 2013-04-21 14:58:22 -0500 |
| commit | 3fe58f30b4fc3f8a9084b035a02bc0c67bee8d00 (patch) | |
| tree | 4b46222d26f3e74d65c6741ddcaed7eaa48948eb /fs/xfs/xfs_quota.h | |
| parent | 983d09ffe396ed5d5339a1b9ff994dd0b0f2069f (diff) | |
| download | linux-3fe58f30b4fc3f8a9084b035a02bc0c67bee8d00.tar.gz linux-3fe58f30b4fc3f8a9084b035a02bc0c67bee8d00.tar.bz2 linux-3fe58f30b4fc3f8a9084b035a02bc0c67bee8d00.zip | |
xfs: add CRC checks for quota blocks
Use the reserved space in struct xfs_dqblk to store a UUID and a crc
for the quota blocks.
[dchinner@redhat.com] Add a LSN field and update for current verifier
infrastructure.
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>
Diffstat (limited to 'fs/xfs/xfs_quota.h')
| -rw-r--r-- | fs/xfs/xfs_quota.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/fs/xfs/xfs_quota.h b/fs/xfs/xfs_quota.h index b50ec5b95d5a..c61e31c7d997 100644 --- a/fs/xfs/xfs_quota.h +++ b/fs/xfs/xfs_quota.h @@ -77,7 +77,14 @@ typedef struct xfs_disk_dquot { */ typedef struct xfs_dqblk { xfs_disk_dquot_t dd_diskdq; /* portion that lives incore as well */ - char dd_fill[32]; /* filling for posterity */ + char dd_fill[4]; /* filling for posterity */ + + /* + * These two are only present on filesystems with the CRC bits set. + */ + __be32 dd_crc; /* checksum */ + __be64 dd_lsn; /* last modification in log */ + uuid_t dd_uuid; /* location information */ } xfs_dqblk_t; /* @@ -380,5 +387,7 @@ extern int xfs_qm_dqcheck(struct xfs_mount *, xfs_disk_dquot_t *, xfs_dqid_t, uint, uint, char *); extern int xfs_mount_reset_sbqflags(struct xfs_mount *); +extern const struct xfs_buf_ops xfs_dquot_buf_ops; + #endif /* __KERNEL__ */ #endif /* __XFS_QUOTA_H__ */ |