xfs: vectorise directory data operations
Following from the initial patches to vectorise the shortform
directory encode/decode operations, convert half the data block
operations to use the vector. The rest will be done in a second
patch.
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
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Ben Myers <bpm@sgi.com>
diff --git a/fs/xfs/xfs_dir2_sf.c b/fs/xfs/xfs_dir2_sf.c
index ec0d39b..953e194 100644
--- a/fs/xfs/xfs_dir2_sf.c
+++ b/fs/xfs/xfs_dir2_sf.c
@@ -251,11 +251,11 @@
dp->d_ops->sf_put_ino(sfp, sfep,
be64_to_cpu(dep->inumber));
dp->d_ops->sf_put_ftype(sfep,
- xfs_dir3_dirent_get_ftype(mp, dep));
+ dp->d_ops->data_get_ftype(dep));
sfep = dp->d_ops->sf_nextentry(sfp, sfep);
}
- ptr += xfs_dir3_data_entsize(mp, dep->namelen);
+ ptr += dp->d_ops->data_entsize(dep->namelen);
}
ASSERT((char *)sfep - (char *)sfp == size);
xfs_dir2_sf_check(args);
@@ -473,12 +473,12 @@
* to insert the new entry.
* If it's going to end up at the end then oldsfep will point there.
*/
- for (offset = xfs_dir3_data_first_offset(mp),
+ for (offset = dp->d_ops->data_first_offset(),
oldsfep = xfs_dir2_sf_firstentry(oldsfp),
- add_datasize = xfs_dir3_data_entsize(mp, args->namelen),
+ add_datasize = dp->d_ops->data_entsize(args->namelen),
eof = (char *)oldsfep == &buf[old_isize];
!eof;
- offset = new_offset + xfs_dir3_data_entsize(mp, oldsfep->namelen),
+ offset = new_offset + dp->d_ops->data_entsize(oldsfep->namelen),
oldsfep = dp->d_ops->sf_nextentry(oldsfp, oldsfep),
eof = (char *)oldsfep == &buf[old_isize]) {
new_offset = xfs_dir2_sf_get_offset(oldsfep);
@@ -555,8 +555,8 @@
mp = dp->i_mount;
sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data;
- size = xfs_dir3_data_entsize(mp, args->namelen);
- offset = xfs_dir3_data_first_offset(mp);
+ size = dp->d_ops->data_entsize(args->namelen);
+ offset = dp->d_ops->data_first_offset();
sfep = xfs_dir2_sf_firstentry(sfp);
holefit = 0;
/*
@@ -568,7 +568,7 @@
if (!holefit)
holefit = offset + size <= xfs_dir2_sf_get_offset(sfep);
offset = xfs_dir2_sf_get_offset(sfep) +
- xfs_dir3_data_entsize(mp, sfep->namelen);
+ dp->d_ops->data_entsize(sfep->namelen);
sfep = dp->d_ops->sf_nextentry(sfp, sfep);
}
/*
@@ -629,7 +629,7 @@
mp = dp->i_mount;
sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data;
- offset = xfs_dir3_data_first_offset(mp);
+ offset = dp->d_ops->data_first_offset();
ino = dp->d_ops->sf_get_parent_ino(sfp);
i8count = ino > XFS_DIR2_MAX_SHORT_INUM;
@@ -641,7 +641,7 @@
i8count += ino > XFS_DIR2_MAX_SHORT_INUM;
offset =
xfs_dir2_sf_get_offset(sfep) +
- xfs_dir3_data_entsize(mp, sfep->namelen);
+ dp->d_ops->data_entsize(sfep->namelen);
ASSERT(dp->d_ops->sf_get_ftype(sfep) < XFS_DIR3_FT_MAX);
}
ASSERT(i8count == sfp->i8count);