xfs: vectorise directory data operations part 2

Convert the rest of the directory data block encode/decode
operations to vector format.

This further reduces the size of the built binary:

   text    data     bss     dec     hex filename
 794490   96802    1096  892388   d9de4 fs/xfs/xfs.o.orig
 792986   96802    1096  890884   d9804 fs/xfs/xfs.o.p1
 792350   96802    1096  890248   d9588 fs/xfs/xfs.o.p2
 789293   96802    1096  887191   d8997 fs/xfs/xfs.o.p3
 789005   96802    1096  886903   d8997 fs/xfs/xfs.o.p4

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ben Myers <bpm@sgi.com>

1 files changed, 68 insertions, 0 deletions

diff --git a/fs/xfs/xfs_da_format.c b/fs/xfs/xfs_da_format.c
index d0285fdfb6e..1e92a241fd5 100644
--- a/fs/xfs/xfs_da_format.c
+++ b/fs/xfs/xfs_da_format.c
@@ -383,6 +383,58 @@ xfs_dir3_data_first_entry_p(
 		((char *)hdr + xfs_dir3_data_first_offset());
 }
 
+static struct xfs_dir2_data_free *
+xfs_dir2_data_bestfree_p(struct xfs_dir2_data_hdr *hdr)
+{
+	return hdr->bestfree;
+}
+
+static struct xfs_dir2_data_free *
+xfs_dir3_data_bestfree_p(struct xfs_dir2_data_hdr *hdr)
+{
+	return ((struct xfs_dir3_data_hdr *)hdr)->best_free;
+}
+
+static size_t
+xfs_dir2_data_entry_offset(void)
+{
+	return sizeof(struct xfs_dir2_data_hdr);
+}
+
+static struct xfs_dir2_data_entry *
+xfs_dir2_data_entry_p(struct xfs_dir2_data_hdr *hdr)
+{
+	return (struct xfs_dir2_data_entry *)
+		((char *)hdr + xfs_dir2_data_entry_offset());
+}
+
+static struct xfs_dir2_data_unused *
+xfs_dir2_data_unused_p(struct xfs_dir2_data_hdr *hdr)
+{
+	return (struct xfs_dir2_data_unused *)
+		((char *)hdr + xfs_dir2_data_entry_offset());
+}
+
+static size_t
+xfs_dir3_data_entry_offset(void)
+{
+	return sizeof(struct xfs_dir3_data_hdr);
+}
+
+static struct xfs_dir2_data_entry *
+xfs_dir3_data_entry_p(struct xfs_dir2_data_hdr *hdr)
+{
+	return (struct xfs_dir2_data_entry *)
+		((char *)hdr + xfs_dir3_data_entry_offset());
+}
+
+static struct xfs_dir2_data_unused *
+xfs_dir3_data_unused_p(struct xfs_dir2_data_hdr *hdr)
+{
+	return (struct xfs_dir2_data_unused *)
+		((char *)hdr + xfs_dir3_data_entry_offset());
+}
+
 const struct xfs_dir_ops xfs_dir2_ops = {
 	.sf_entsize = xfs_dir2_sf_entsize,
 	.sf_nextentry = xfs_dir2_sf_nextentry,
@@ -397,13 +449,19 @@ const struct xfs_dir_ops xfs_dir2_ops = {
 	.data_get_ftype = xfs_dir2_data_get_ftype,
 	.data_put_ftype = xfs_dir2_data_put_ftype,
 	.data_entry_tag_p = xfs_dir2_data_entry_tag_p,
+	.data_bestfree_p = xfs_dir2_data_bestfree_p,
 
 	.data_dot_offset = xfs_dir2_data_dot_offset,
 	.data_dotdot_offset = xfs_dir2_data_dotdot_offset,
 	.data_first_offset = xfs_dir2_data_first_offset,
+	.data_entry_offset = xfs_dir2_data_entry_offset,
+
 	.data_dot_entry_p = xfs_dir2_data_dot_entry_p,
 	.data_dotdot_entry_p = xfs_dir2_data_dotdot_entry_p,
 	.data_first_entry_p = xfs_dir2_data_first_entry_p,
+	.data_entry_p = xfs_dir2_data_entry_p,
+	.data_unused_p = xfs_dir2_data_unused_p,
+
 };
 
 const struct xfs_dir_ops xfs_dir2_ftype_ops = {
@@ -420,13 +478,18 @@ const struct xfs_dir_ops xfs_dir2_ftype_ops = {
 	.data_get_ftype = xfs_dir3_data_get_ftype,
 	.data_put_ftype = xfs_dir3_data_put_ftype,
 	.data_entry_tag_p = xfs_dir3_data_entry_tag_p,
+	.data_bestfree_p = xfs_dir2_data_bestfree_p,
 
 	.data_dot_offset = xfs_dir2_data_dot_offset,
 	.data_dotdot_offset = xfs_dir2_data_dotdot_offset,
 	.data_first_offset = xfs_dir2_data_first_offset,
+	.data_entry_offset = xfs_dir2_data_entry_offset,
+
 	.data_dot_entry_p = xfs_dir2_data_dot_entry_p,
 	.data_dotdot_entry_p = xfs_dir2_data_dotdot_entry_p,
 	.data_first_entry_p = xfs_dir2_data_first_entry_p,
+	.data_entry_p = xfs_dir2_data_entry_p,
+	.data_unused_p = xfs_dir2_data_unused_p,
 };
 
 const struct xfs_dir_ops xfs_dir3_ops = {
@@ -443,11 +506,16 @@ const struct xfs_dir_ops xfs_dir3_ops = {
 	.data_get_ftype = xfs_dir3_data_get_ftype,
 	.data_put_ftype = xfs_dir3_data_put_ftype,
 	.data_entry_tag_p = xfs_dir3_data_entry_tag_p,
+	.data_bestfree_p = xfs_dir3_data_bestfree_p,
 
 	.data_dot_offset = xfs_dir3_data_dot_offset,
 	.data_dotdot_offset = xfs_dir3_data_dotdot_offset,
 	.data_first_offset = xfs_dir3_data_first_offset,
+	.data_entry_offset = xfs_dir3_data_entry_offset,
+
 	.data_dot_entry_p = xfs_dir3_data_dot_entry_p,
 	.data_dotdot_entry_p = xfs_dir3_data_dotdot_entry_p,
 	.data_first_entry_p = xfs_dir3_data_first_entry_p,
+	.data_entry_p = xfs_dir3_data_entry_p,
+	.data_unused_p = xfs_dir3_data_unused_p,
 };