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xfs: vectorise directory data operations part 2

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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>
This commit is contained in:
Dave Chinner
2013-10-29 22:11:49 +11:00
committed by Ben Myers
parent 9d23fc8575
commit 2ca9877410
10 changed files with 186 additions and 137 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
fs/xfs/xfs_dir2_leaf.c
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@@ -460,7 +460,7 @@ xfs_dir2_block_to_leaf(
xfs_dir3_data_check(dp, dbp);
btp = xfs_dir2_block_tail_p(mp, hdr);
blp = xfs_dir2_block_leaf_p(btp);
bf = xfs_dir3_data_bestfree_p(hdr);
bf = dp->d_ops->data_bestfree_p(hdr);
ents = xfs_dir3_leaf_ents_p(leaf);
/*
@@ -484,7 +484,7 @@ xfs_dir2_block_to_leaf(
* Make the space formerly occupied by the leaf entries and block
* tail be free.
*/
xfs_dir2_data_make_free(tp, dbp,
xfs_dir2_data_make_free(tp, dp, dbp,
(xfs_dir2_data_aoff_t)((char *)blp - (char *)hdr),
(xfs_dir2_data_aoff_t)((char *)hdr + mp->m_dirblksize -
(char *)blp),
@@ -512,7 +512,7 @@ xfs_dir2_block_to_leaf(
* Log the data header and leaf bests table.
*/
if (needlog)
xfs_dir2_data_log_header(tp, dbp);
xfs_dir2_data_log_header(tp, dp, dbp);
xfs_dir3_leaf_check(mp, lbp);
xfs_dir3_data_check(dp, dbp);
xfs_dir3_leaf_log_bests(tp, lbp, 0, 0);
@@ -862,7 +862,7 @@ xfs_dir2_leaf_addname(
else
xfs_dir3_leaf_log_bests(tp, lbp, use_block, use_block);
hdr = dbp->b_addr;
bf = xfs_dir3_data_bestfree_p(hdr);
bf = dp->d_ops->data_bestfree_p(hdr);
bestsp[use_block] = bf[0].length;
grown = 1;
} else {
@@ -878,7 +878,7 @@ xfs_dir2_leaf_addname(
return error;
}
hdr = dbp->b_addr;
bf = xfs_dir3_data_bestfree_p(hdr);
bf = dp->d_ops->data_bestfree_p(hdr);
grown = 0;
}
/*
@@ -891,7 +891,7 @@ xfs_dir2_leaf_addname(
/*
* Mark the initial part of our freespace in use for the new entry.
*/
xfs_dir2_data_use_free(tp, dbp, dup,
xfs_dir2_data_use_free(tp, dp, dbp, dup,
(xfs_dir2_data_aoff_t)((char *)dup - (char *)hdr), length,
&needlog, &needscan);
/*
@@ -913,7 +913,7 @@ xfs_dir2_leaf_addname(
* Need to log the data block's header.
*/
if (needlog)
xfs_dir2_data_log_header(tp, dbp);
xfs_dir2_data_log_header(tp, dp, dbp);
xfs_dir2_data_log_entry(tp, dp, dbp, dep);
/*
* If the bests table needs to be changed, do it.
@@ -1413,7 +1413,7 @@ xfs_dir2_leaf_removename(
leaf = lbp->b_addr;
hdr = dbp->b_addr;
xfs_dir3_data_check(dp, dbp);
bf = xfs_dir3_data_bestfree_p(hdr);
bf = dp->d_ops->data_bestfree_p(hdr);
xfs_dir3_leaf_hdr_from_disk(&leafhdr, leaf);
ents = xfs_dir3_leaf_ents_p(leaf);
/*
@@ -1431,7 +1431,7 @@ xfs_dir2_leaf_removename(
/*
* Mark the former data entry unused.
*/
xfs_dir2_data_make_free(tp, dbp,
xfs_dir2_data_make_free(tp, dp, dbp,
(xfs_dir2_data_aoff_t)((char *)dep - (char *)hdr),
dp->d_ops->data_entsize(dep->namelen), &needlog, &needscan);
/*
@@ -1451,7 +1451,7 @@ xfs_dir2_leaf_removename(
if (needscan)
xfs_dir2_data_freescan(dp, hdr, &needlog);
if (needlog)
xfs_dir2_data_log_header(tp, dbp);
xfs_dir2_data_log_header(tp, dp, dbp);
/*
* If the longest freespace in the data block has changed,
* put the new value in the bests table and log that.
@@ -1465,7 +1465,7 @@ xfs_dir2_leaf_removename(
* If the data block is now empty then get rid of the data block.
*/
if (be16_to_cpu(bf[0].length) ==
mp->m_dirblksize - xfs_dir3_data_entry_offset(hdr)) {
mp->m_dirblksize - dp->d_ops->data_entry_offset()) {
ASSERT(db != mp->m_dirdatablk);
if ((error = xfs_dir2_shrink_inode(args, db, dbp))) {
/*
@@ -1659,12 +1659,12 @@ xfs_dir2_leaf_trim_data(
#ifdef DEBUG
{
struct xfs_dir2_data_hdr *hdr = dbp->b_addr;
struct xfs_dir2_data_free *bf = xfs_dir3_data_bestfree_p(hdr);
struct xfs_dir2_data_free *bf = dp->d_ops->data_bestfree_p(hdr);
ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC) ||
hdr->magic == cpu_to_be32(XFS_DIR3_DATA_MAGIC));
ASSERT(be16_to_cpu(bf[0].length) ==
mp->m_dirblksize - xfs_dir3_data_entry_offset(hdr));
mp->m_dirblksize - dp->d_ops->data_entry_offset());
ASSERT(db == be32_to_cpu(ltp->bestcount) - 1);
}
#endif