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authorDarrick J. Wong <darrick.wong@oracle.com>2017-03-28 23:56:35 +0200
committerDarrick J. Wong <darrick.wong@oracle.com>2017-04-04 00:18:17 +0200
commite9a2599a249ed7d31771985aea0e761f5680de64 (patch)
tree13164faa7b2400adcffb0f0860f1c67b3905906c /fs/xfs/libxfs/xfs_btree.c
parentxfs: provide a query_range function for freespace btrees (diff)
downloadlinux-e9a2599a249ed7d31771985aea0e761f5680de64.tar.xz
linux-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.c15
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.