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| author | Darrick J. Wong <darrick.wong@oracle.com> | 2016-10-03 09:11:21 -0700 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2016-10-03 09:11:21 -0700 |
| commit | f997ee2137175f5b2bd7ced52acf1ca51f04f420 (patch) | |
| tree | 541b4b069c0bfae742b59adce7052a21f423cd28 /fs/xfs/libxfs/xfs_refcount.h | |
| parent | baf4bcacb715cebd412b2f4bb69989ef24496523 (diff) | |
| download | linux-f997ee2137175f5b2bd7ced52acf1ca51f04f420.tar.gz linux-f997ee2137175f5b2bd7ced52acf1ca51f04f420.tar.xz | |
xfs: log refcount intent items
Provide a mechanism for higher levels to create CUI/CUD items, submit
them to the log, and a stub function to deal with recovered CUI items.
These parts will be connected to the refcountbt in a later patch.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/xfs/libxfs/xfs_refcount.h')
| -rw-r--r-- | fs/xfs/libxfs/xfs_refcount.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_refcount.h b/fs/xfs/libxfs/xfs_refcount.h index 4dc335a1dc73..67b1c13fb714 100644 --- a/fs/xfs/libxfs/xfs_refcount.h +++ b/fs/xfs/libxfs/xfs_refcount.h @@ -27,4 +27,18 @@ extern int xfs_refcount_lookup_ge(struct xfs_btree_cur *cur, extern int xfs_refcount_get_rec(struct xfs_btree_cur *cur, struct xfs_refcount_irec *irec, int *stat); +enum xfs_refcount_intent_type { + XFS_REFCOUNT_INCREASE = 1, + XFS_REFCOUNT_DECREASE, + XFS_REFCOUNT_ALLOC_COW, + XFS_REFCOUNT_FREE_COW, +}; + +struct xfs_refcount_intent { + struct list_head ri_list; + enum xfs_refcount_intent_type ri_type; + xfs_fsblock_t ri_startblock; + xfs_extlen_t ri_blockcount; +}; + #endif /* __XFS_REFCOUNT_H__ */ |