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| author | Darrick J. Wong <darrick.wong@oracle.com> | 2018-07-30 08:37:09 +0300 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2018-07-30 08:37:09 +0300 |
| commit | bc270b53e6aa3b9723e26a548fa1a1688ea61361 (patch) | |
| tree | 5229acc648d38c095cdf6b6c9e5b2efc8acb6658 /fs/xfs/scrub/bitmap.h | |
| parent | ebcbef3a61a6081ffe20b0b684f18ebbf23f1dfb (diff) | |
| download | linux-bc270b53e6aa3b9723e26a548fa1a1688ea61361.tar.xz | |
xfs: move the repair extent list into its own file
Move the xrep_extent_list code into a separate file. Logically, this
data structure is really just a clumsy bitmap, and in the next patch
we'll make this more obvious. No functional changes.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Diffstat (limited to 'fs/xfs/scrub/bitmap.h')
| -rw-r--r-- | fs/xfs/scrub/bitmap.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/fs/xfs/scrub/bitmap.h b/fs/xfs/scrub/bitmap.h new file mode 100644 index 000000000000..1038157695a8 --- /dev/null +++ b/fs/xfs/scrub/bitmap.h @@ -0,0 +1,37 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2018 Oracle. All Rights Reserved. + * Author: Darrick J. Wong <darrick.wong@oracle.com> + */ +#ifndef __XFS_SCRUB_BITMAP_H__ +#define __XFS_SCRUB_BITMAP_H__ + +struct xrep_extent { + struct list_head list; + xfs_fsblock_t fsbno; + xfs_extlen_t len; +}; + +struct xrep_extent_list { + struct list_head list; +}; + +static inline void +xrep_init_extent_list( + struct xrep_extent_list *exlist) +{ + INIT_LIST_HEAD(&exlist->list); +} + +#define for_each_xrep_extent_safe(rbe, n, exlist) \ + list_for_each_entry_safe((rbe), (n), &(exlist)->list, list) +int xrep_collect_btree_extent(struct xfs_scrub *sc, + struct xrep_extent_list *btlist, xfs_fsblock_t fsbno, + xfs_extlen_t len); +void xrep_cancel_btree_extents(struct xfs_scrub *sc, + struct xrep_extent_list *btlist); +int xrep_subtract_extents(struct xfs_scrub *sc, + struct xrep_extent_list *exlist, + struct xrep_extent_list *sublist); + +#endif /* __XFS_SCRUB_BITMAP_H__ */ |