[PATCH v11 08/25] xfs: Factor out xfs_attr_rmtval_invalidate

Allison Collins
2020-07-21T00:16:20Z

Because new delayed attribute routines cannot roll transactions, we
carve off the parts of xfs_attr_rmtval_remove that we can use. This
will help to reduce repetitive code later when we introduce delayed
attributes.

Signed-off-by: Allison Collins <allison.henderson@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Chandan Rajendra <chandanrlinux@gmail.com>
---
fs/xfs/libxfs/xfs_attr_remote.c | 26 +++++++++++++++++++++-----
fs/xfs/libxfs/xfs_attr_remote.h | 2 +-
2 files changed, 22 insertions(+), 6 deletions(-)

diff --git a/fs/xfs/libxfs/xfs_attr_remote.c b/fs/xfs/libxfs/xfs_attr_remote.c
index f825eed..4d51969 100644
--- a/fs/xfs/libxfs/xfs_attr_remote.c
+++ b/fs/xfs/libxfs/xfs_attr_remote.c
@@ -634,15 +634,12 @@ xfs_attr_rmtval_set(
* out-of-line buffer that it is stored on.
*/
int
-xfs_attr_rmtval_remove(
+xfs_attr_rmtval_invalidate(
struct xfs_da_args *args)
{
xfs_dablk_t lblkno;
int blkcnt;
int error;
- int done;
-
- trace_xfs_attr_rmtval_remove(args);

/*
* Roll through the "value", invalidating the attribute value's blocks.
@@ -670,13 +667,32 @@ xfs_attr_rmtval_remove(
lblkno += map.br_blockcount;
blkcnt -= map.br_blockcount;
}
+ return 0;
+}

+/*
+ * Remove the value associated with an attribute by deleting the
+ * out-of-line buffer that it is stored on.
+ */
+int
+xfs_attr_rmtval_remove(
+ struct xfs_da_args *args)
+{
+ xfs_dablk_t lblkno;
+ int blkcnt;
+ int error = 0;
+ int done = 0;
+
+ trace_xfs_attr_rmtval_remove(args);
+
+ error = xfs_attr_rmtval_invalidate(args);
+ if (error)
+ return error;
/*
* Keep de-allocating extents until the remote-value region is gone.
*/
lblkno = args->rmtblkno;
blkcnt = args->rmtblkcnt;
- done = 0;
while (!done) {
error = xfs_bunmapi(args->trans, args->dp, lblkno, blkcnt,
XFS_BMAPI_ATTRFORK, 1, &done);
diff --git a/fs/xfs/libxfs/xfs_attr_remote.h b/fs/xfs/libxfs/xfs_attr_remote.h
index e1144f2..3616e88 100644
--- a/fs/xfs/libxfs/xfs_attr_remote.h
+++ b/fs/xfs/libxfs/xfs_attr_remote.h
@@ -13,5 +13,5 @@ int xfs_attr_rmtval_set(struct xfs_da_args *args);
int xfs_attr_rmtval_remove(struct xfs_da_args *args);
int xfs_attr_rmtval_stale(struct xfs_inode *ip, struct xfs_bmbt_irec *map,
xfs_buf_flags_t incore_flags);
-
+int xfs_attr_rmtval_invalidate(struct xfs_da_args *args);
#endif /* __XFS_ATTR_REMOTE_H__ */
--
2.7.4