[PATCH v14 01/14] xfsprogs: Add helper xfs_attr_node_remove_step

Allison Henderson
2020-12-18T07:27:04Z

From: Allison Collins <allison.henderson@oracle.com>

Source kernel commit: 5e2aff99f8f0b7ff511b7bbd1213743f59806878

This patch as a new helper function xfs_attr_node_remove_step. This
will help simplify and modularize the calling function
xfs_attr_node_remove.

Signed-off-by: Allison Henderson <allison.henderson@oracle.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
---
libxfs/xfs_attr.c | 46 ++++++++++++++++++++++++++++++++++------------
1 file changed, 34 insertions(+), 12 deletions(-)

diff --git a/libxfs/xfs_attr.c b/libxfs/xfs_attr.c
index 0c75f46..3645398 100644
--- a/libxfs/xfs_attr.c
+++ b/libxfs/xfs_attr.c
@@ -1228,19 +1228,14 @@ xfs_attr_node_remove_rmt(
* the root node (a special case of an intermediate node).
*/
STATIC int
-xfs_attr_node_removename(
- struct xfs_da_args *args)
+xfs_attr_node_remove_step(
+ struct xfs_da_args *args,
+ struct xfs_da_state *state)
{
- struct xfs_da_state *state;
struct xfs_da_state_blk *blk;
int retval, error;
struct xfs_inode *dp = args->dp;

- trace_xfs_attr_node_removename(args);
-
- error = xfs_attr_node_removename_setup(args, &state);
- if (error)
- goto out;

/*
* If there is an out-of-line value, de-allocate the blocks.
@@ -1250,7 +1245,7 @@ xfs_attr_node_removename(
if (args->rmtblkno > 0) {
error = xfs_attr_node_remove_rmt(args, state);
if (error)
- goto out;
+ return error;
}

/*
@@ -1267,18 +1262,45 @@ xfs_attr_node_removename(
if (retval && (state->path.active > 1)) {
error = xfs_da3_join(state);
if (error)
- goto out;
+ return error;
error = xfs_defer_finish(&args->trans);
if (error)
- goto out;
+ return error;
/*
* Commit the Btree join operation and start a new trans.
*/
error = xfs_trans_roll_inode(&args->trans, dp);
if (error)
- goto out;
+ return error;
}

+ return error;
+}
+
+/*
+ * Remove a name from a B-tree attribute list.
+ *
+ * This routine will find the blocks of the name to remove, remove them and
+ * shrink the tree if needed.
+ */
+STATIC int
+xfs_attr_node_removename(
+ struct xfs_da_args *args)
+{
+ struct xfs_da_state *state = NULL;
+ int error;
+ struct xfs_inode *dp = args->dp;
+
+ trace_xfs_attr_node_removename(args);
+
+ error = xfs_attr_node_removename_setup(args, &state);
+ if (error)
+ goto out;
+
+ error = xfs_attr_node_remove_step(args, state);
+ if (error)
+ goto out;
+
/*
* If the result is small enough, push it all into the inode.
*/
--
2.7.4