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xfs: add CRC checks for quota blocks

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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>
This commit is contained in:
Christoph Hellwig
2013-04-03 16:11:16 +11:00
committed by Ben Myers
parent 983d09ffe3
commit 3fe58f30b4
5 changed files with 143 additions and 19 deletions
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2
fs/xfs/xfs_qm.h
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@@ -75,6 +75,8 @@ typedef struct xfs_quotainfo {
&((qi)->qi_gquota_tree))
extern int xfs_qm_calc_dquots_per_chunk(struct xfs_mount *mp,
unsigned int nbblks);
extern void xfs_trans_mod_dquot(xfs_trans_t *, xfs_dquot_t *, uint, long);
extern int xfs_trans_reserve_quota_bydquots(xfs_trans_t *, xfs_mount_t *,
xfs_dquot_t *, xfs_dquot_t *, long, long, uint);