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| author | Darrick J. Wong <darrick.wong@oracle.com> | 2017-10-17 21:37:38 -0700 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2017-10-26 15:38:24 -0700 |
| commit | b6c1beb967b0a4a1b8297ee6f4bc067a0ba32b0b (patch) | |
| tree | 0052a17a745929b09c337c3296eb9d9cc6861632 /fs/xfs/scrub/scrub.h | |
| parent | 37f3fa7f161d41d3424231e9ce4bd58b62a56fca (diff) | |
| download | blackbird-obmc-linux-b6c1beb967b0a4a1b8297ee6f4bc067a0ba32b0b.tar.gz blackbird-obmc-linux-b6c1beb967b0a4a1b8297ee6f4bc067a0ba32b0b.zip | |
xfs: create helpers to scan an allocation group
Add some helpers to enable us to lock an AG's headers, create btree
cursors for all btrees in that allocation group, and clean up
afterwards.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Diffstat (limited to 'fs/xfs/scrub/scrub.h')
| -rw-r--r-- | fs/xfs/scrub/scrub.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/fs/xfs/scrub/scrub.h b/fs/xfs/scrub/scrub.h index b7b94220d929..1385295438e8 100644 --- a/fs/xfs/scrub/scrub.h +++ b/fs/xfs/scrub/scrub.h @@ -34,6 +34,24 @@ struct xfs_scrub_meta_ops { bool (*has)(struct xfs_sb *); }; +/* Buffer pointers and btree cursors for an entire AG. */ +struct xfs_scrub_ag { + xfs_agnumber_t agno; + + /* AG btree roots */ + struct xfs_buf *agf_bp; + struct xfs_buf *agfl_bp; + struct xfs_buf *agi_bp; + + /* AG btrees */ + struct xfs_btree_cur *bno_cur; + struct xfs_btree_cur *cnt_cur; + struct xfs_btree_cur *ino_cur; + struct xfs_btree_cur *fino_cur; + struct xfs_btree_cur *rmap_cur; + struct xfs_btree_cur *refc_cur; +}; + struct xfs_scrub_context { /* General scrub state. */ struct xfs_mount *mp; @@ -42,6 +60,9 @@ struct xfs_scrub_context { struct xfs_trans *tp; struct xfs_inode *ip; bool try_harder; + + /* State tracking for single-AG operations. */ + struct xfs_scrub_ag sa; }; /* Metadata scrubbers */ |
