[PATCH v7 17/19] xfs: Add helper function xfs_attr_leaf_mark_incomplete

Allison Collins
2020-02-23T02:06:27Z

This patch helps to simplify xfs_attr_node_removename by modularizing the code
around the transactions into helper functions. This will make the function easier
to follow when we introduce delayed attributes.

Signed-off-by: Allison Collins <allison.henderson@oracle.com>
---
fs/xfs/libxfs/xfs_attr.c | 45 +++++++++++++++++++++++++++++++--------------
1 file changed, 31 insertions(+), 14 deletions(-)

diff --git a/fs/xfs/libxfs/xfs_attr.c b/fs/xfs/libxfs/xfs_attr.c
index dd935ff..b9728d1 100644
--- a/fs/xfs/libxfs/xfs_attr.c
+++ b/fs/xfs/libxfs/xfs_attr.c
@@ -1416,6 +1416,36 @@ xfs_attr_node_shrink(
}

/*
+ * Mark an attribute entry INCOMPLETE and save pointers to the relevant buffers
+ * for later deletion of the entry.
+ */
+STATIC int
+xfs_attr_leaf_mark_incomplete(
+ struct xfs_da_args *args,
+ struct xfs_da_state *state)
+{
+ int error;
+
+ /*
+ * Fill in disk block numbers in the state structure
+ * so that we can get the buffers back after we commit
+ * several transactions in the following calls.
+ */
+ error = xfs_attr_fillstate(state);
+ if (error)
+ return error;
+
+ /*
+ * Mark the attribute as INCOMPLETE
+ */
+ error = xfs_attr3_leaf_setflag(args);
+ if (error)
+ return error;
+
+ return 0;
+}
+
+/*
* Remove a name from a B-tree attribute list.
*
* This will involve walking down the Btree, and may involve joining
@@ -1473,20 +1503,7 @@ xfs_attr_node_removename(
args->dac.da_state = state;

if (args->rmtblkno > 0) {
- /*
- * Fill in disk block numbers in the state structure
- * so that we can get the buffers back after we commit
- * several transactions in the following calls.
- */
- error = xfs_attr_fillstate(state);
- if (error)
- goto out;
-
- /*
- * Mark the attribute as INCOMPLETE, then bunmapi() the
- * remote value.
- */
- error = xfs_attr3_leaf_setflag(args);
+ error = xfs_attr_leaf_mark_incomplete(args, state);
if (error)
goto out;

--
2.7.4