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| author | Darrick J. Wong <darrick.wong@oracle.com> | 2017-03-28 14:56:35 -0700 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2017-04-03 15:18:17 -0700 |
| commit | e9a2599a249ed7d31771985aea0e761f5680de64 (patch) | |
| tree | 13164faa7b2400adcffb0f0860f1c67b3905906c /fs/xfs/libxfs/xfs_btree.c | |
| parent | 2d520bfaa28b60401fbfe581f485a0bb952d881c (diff) | |
| download | lwn-e9a2599a249ed7d31771985aea0e761f5680de64.tar.gz lwn-e9a2599a249ed7d31771985aea0e761f5680de64.zip | |
xfs: create a function to query all records in a btree
Create a helper function that will query all records in a btree.
This will be used by the online repair functions to examine every
record in a btree to rebuild a second btree.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Diffstat (limited to 'fs/xfs/libxfs/xfs_btree.c')
| -rw-r--r-- | fs/xfs/libxfs/xfs_btree.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c index c3decedc9455..92aa20d56553 100644 --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -4842,6 +4842,21 @@ xfs_btree_query_range( fn, priv); } +/* Query a btree for all records. */ +int +xfs_btree_query_all( + struct xfs_btree_cur *cur, + xfs_btree_query_range_fn fn, + void *priv) +{ + union xfs_btree_irec low_rec; + union xfs_btree_irec high_rec; + + memset(&low_rec, 0, sizeof(low_rec)); + memset(&high_rec, 0xFF, sizeof(high_rec)); + return xfs_btree_query_range(cur, &low_rec, &high_rec, fn, priv); +} + /* * Calculate the number of blocks needed to store a given number of records * in a short-format (per-AG metadata) btree. |