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author | 2017-06-16 11:00:08 -0700 | |
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committer | 2017-06-19 14:11:34 -0700 | |
commit | 118bb47e281cde728608633f1a358fb9f2ac0adc (patch) | |
tree | bd6314d66569e6e06d287d4b5aa4da51be8fd938 /fs/xfs/libxfs/xfs_bmap_btree.c | |
parent | xfs: export various function for the online scrubber (diff) | |
download | linux-118bb47e281cde728608633f1a358fb9f2ac0adc.tar.gz linux-118bb47e281cde728608633f1a358fb9f2ac0adc.tar.bz2 linux-118bb47e281cde728608633f1a358fb9f2ac0adc.zip |
xfs: plumb in needed functions for range querying of various btrees
Plumb in the pieces (init_high_key, diff_two_keys) necessary to call
query_range on the inode space and block mapping btrees and to extract
raw btree records. This will eventually be used by the inobt and bmbt
scrubbers.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Diffstat (limited to 'fs/xfs/libxfs/xfs_bmap_btree.c')
-rw-r--r-- | fs/xfs/libxfs/xfs_bmap_btree.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_bmap_btree.c b/fs/xfs/libxfs/xfs_bmap_btree.c index e23495e23620..85de22513014 100644 --- a/fs/xfs/libxfs/xfs_bmap_btree.c +++ b/fs/xfs/libxfs/xfs_bmap_btree.c @@ -573,6 +573,16 @@ xfs_bmbt_init_key_from_rec( } STATIC void +xfs_bmbt_init_high_key_from_rec( + union xfs_btree_key *key, + union xfs_btree_rec *rec) +{ + key->bmbt.br_startoff = cpu_to_be64( + xfs_bmbt_disk_get_startoff(&rec->bmbt) + + xfs_bmbt_disk_get_blockcount(&rec->bmbt) - 1); +} + +STATIC void xfs_bmbt_init_rec_from_cur( struct xfs_btree_cur *cur, union xfs_btree_rec *rec) @@ -597,6 +607,16 @@ xfs_bmbt_key_diff( cur->bc_rec.b.br_startoff; } +STATIC int64_t +xfs_bmbt_diff_two_keys( + struct xfs_btree_cur *cur, + union xfs_btree_key *k1, + union xfs_btree_key *k2) +{ + return (int64_t)be64_to_cpu(k1->bmbt.br_startoff) - + be64_to_cpu(k2->bmbt.br_startoff); +} + static bool xfs_bmbt_verify( struct xfs_buf *bp) @@ -720,9 +740,11 @@ static const struct xfs_btree_ops xfs_bmbt_ops = { .get_minrecs = xfs_bmbt_get_minrecs, .get_dmaxrecs = xfs_bmbt_get_dmaxrecs, .init_key_from_rec = xfs_bmbt_init_key_from_rec, + .init_high_key_from_rec = xfs_bmbt_init_high_key_from_rec, .init_rec_from_cur = xfs_bmbt_init_rec_from_cur, .init_ptr_from_cur = xfs_bmbt_init_ptr_from_cur, .key_diff = xfs_bmbt_key_diff, + .diff_two_keys = xfs_bmbt_diff_two_keys, .buf_ops = &xfs_bmbt_buf_ops, .keys_inorder = xfs_bmbt_keys_inorder, .recs_inorder = xfs_bmbt_recs_inorder, |