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[XFS] Reduce shouting by removing unnecessary macros from dir2 code.

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SGI-PV: 966505
SGI-Modid: xfs-linux-melb:xfs-kern:28947a

Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
This commit is contained in:
Christoph Hellwig
2007-06-28 16:43:50 +10:00
committed by Tim Shimmin
parent 54aa8e26e9
commit bbaaf53808
11 changed files with 283 additions and 324 deletions
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106
fs/xfs/xfs_dir2_leaf.c
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@@ -92,7 +92,7 @@ xfs_dir2_block_to_leaf(
if ((error = xfs_da_grow_inode(args, &blkno))) {
return error;
}
ldb = XFS_DIR2_DA_TO_DB(mp, blkno);
ldb = xfs_dir2_da_to_db(mp, blkno);
ASSERT(ldb == XFS_DIR2_LEAF_FIRSTDB(mp));
/*
* Initialize the leaf block, get a buffer for it.
@@ -104,8 +104,8 @@ xfs_dir2_block_to_leaf(
leaf = lbp->data;
block = dbp->data;
xfs_dir2_data_check(dp, dbp);
btp = XFS_DIR2_BLOCK_TAIL_P(mp, block);
blp = XFS_DIR2_BLOCK_LEAF_P(btp);
btp = xfs_dir2_block_tail_p(mp, block);
blp = xfs_dir2_block_leaf_p(btp);
/*
* Set the counts in the leaf header.
*/
@@ -137,9 +137,9 @@ xfs_dir2_block_to_leaf(
/*
* Set up leaf tail and bests table.
*/
ltp = XFS_DIR2_LEAF_TAIL_P(mp, leaf);
ltp = xfs_dir2_leaf_tail_p(mp, leaf);
ltp->bestcount = cpu_to_be32(1);
bestsp = XFS_DIR2_LEAF_BESTS_P(ltp);
bestsp = xfs_dir2_leaf_bests_p(ltp);
bestsp[0] = block->hdr.bestfree[0].length;
/*
* Log the data header and leaf bests table.
@@ -209,9 +209,9 @@ xfs_dir2_leaf_addname(
*/
index = xfs_dir2_leaf_search_hash(args, lbp);
leaf = lbp->data;
ltp = XFS_DIR2_LEAF_TAIL_P(mp, leaf);
bestsp = XFS_DIR2_LEAF_BESTS_P(ltp);
length = XFS_DIR2_DATA_ENTSIZE(args->namelen);
ltp = xfs_dir2_leaf_tail_p(mp, leaf);
bestsp = xfs_dir2_leaf_bests_p(ltp);
length = xfs_dir2_data_entsize(args->namelen);
/*
* See if there are any entries with the same hash value
* and space in their block for the new entry.
@@ -223,7 +223,7 @@ xfs_dir2_leaf_addname(
index++, lep++) {
if (be32_to_cpu(lep->address) == XFS_DIR2_NULL_DATAPTR)
continue;
i = XFS_DIR2_DATAPTR_TO_DB(mp, be32_to_cpu(lep->address));
i = xfs_dir2_dataptr_to_db(mp, be32_to_cpu(lep->address));
ASSERT(i < be32_to_cpu(ltp->bestcount));
ASSERT(be16_to_cpu(bestsp[i]) != NULLDATAOFF);
if (be16_to_cpu(bestsp[i]) >= length) {
@@ -378,7 +378,7 @@ xfs_dir2_leaf_addname(
*/
else {
if ((error =
xfs_da_read_buf(tp, dp, XFS_DIR2_DB_TO_DA(mp, use_block),
xfs_da_read_buf(tp, dp, xfs_dir2_db_to_da(mp, use_block),
-1, &dbp, XFS_DATA_FORK))) {
xfs_da_brelse(tp, lbp);
return error;
@@ -407,7 +407,7 @@ xfs_dir2_leaf_addname(
dep->inumber = cpu_to_be64(args->inumber);
dep->namelen = args->namelen;
memcpy(dep->name, args->name, dep->namelen);
tagp = XFS_DIR2_DATA_ENTRY_TAG_P(dep);
tagp = xfs_dir2_data_entry_tag_p(dep);
*tagp = cpu_to_be16((char *)dep - (char *)data);
/*
* Need to scan fix up the bestfree table.
@@ -529,7 +529,7 @@ xfs_dir2_leaf_addname(
* Fill in the new leaf entry.
*/
lep->hashval = cpu_to_be32(args->hashval);
lep->address = cpu_to_be32(XFS_DIR2_DB_OFF_TO_DATAPTR(mp, use_block,
lep->address = cpu_to_be32(xfs_dir2_db_off_to_dataptr(mp, use_block,
be16_to_cpu(*tagp)));
/*
* Log the leaf fields and give up the buffers.
@@ -567,13 +567,13 @@ xfs_dir2_leaf_check(
* Should factor in the size of the bests table as well.
* We can deduce a value for that from di_size.
*/
ASSERT(be16_to_cpu(leaf->hdr.count) <= XFS_DIR2_MAX_LEAF_ENTS(mp));
ltp = XFS_DIR2_LEAF_TAIL_P(mp, leaf);
ASSERT(be16_to_cpu(leaf->hdr.count) <= xfs_dir2_max_leaf_ents(mp));
ltp = xfs_dir2_leaf_tail_p(mp, leaf);
/*
* Leaves and bests don't overlap.
*/
ASSERT((char *)&leaf->ents[be16_to_cpu(leaf->hdr.count)] <=
(char *)XFS_DIR2_LEAF_BESTS_P(ltp));
(char *)xfs_dir2_leaf_bests_p(ltp));
/*
* Check hash value order, count stale entries.
*/
@@ -815,12 +815,12 @@ xfs_dir2_leaf_getdents(
* Inside the loop we keep the main offset value as a byte offset
* in the directory file.
*/
curoff = XFS_DIR2_DATAPTR_TO_BYTE(mp, uio->uio_offset);
curoff = xfs_dir2_dataptr_to_byte(mp, uio->uio_offset);
/*
* Force this conversion through db so we truncate the offset
* down to get the start of the data block.
*/
map_off = XFS_DIR2_DB_TO_DA(mp, XFS_DIR2_BYTE_TO_DB(mp, curoff));
map_off = xfs_dir2_db_to_da(mp, xfs_dir2_byte_to_db(mp, curoff));
/*
* Loop over directory entries until we reach the end offset.
* Get more blocks and readahead as necessary.
@@ -870,7 +870,7 @@ xfs_dir2_leaf_getdents(
*/
if (1 + ra_want > map_blocks &&
map_off <
XFS_DIR2_BYTE_TO_DA(mp, XFS_DIR2_LEAF_OFFSET)) {
xfs_dir2_byte_to_da(mp, XFS_DIR2_LEAF_OFFSET)) {
/*
* Get more bmaps, fill in after the ones
* we already have in the table.
@@ -878,7 +878,7 @@ xfs_dir2_leaf_getdents(
nmap = map_size - map_valid;
error = xfs_bmapi(tp, dp,
map_off,
XFS_DIR2_BYTE_TO_DA(mp,
xfs_dir2_byte_to_da(mp,
XFS_DIR2_LEAF_OFFSET) - map_off,
XFS_BMAPI_METADATA, NULL, 0,
&map[map_valid], &nmap, NULL, NULL);
@@ -903,7 +903,7 @@ xfs_dir2_leaf_getdents(
map[map_valid + nmap - 1].br_blockcount;
else
map_off =
XFS_DIR2_BYTE_TO_DA(mp,
xfs_dir2_byte_to_da(mp,
XFS_DIR2_LEAF_OFFSET);
/*
* Look for holes in the mapping, and
@@ -931,14 +931,14 @@ xfs_dir2_leaf_getdents(
* No valid mappings, so no more data blocks.
*/
if (!map_valid) {
curoff = XFS_DIR2_DA_TO_BYTE(mp, map_off);
curoff = xfs_dir2_da_to_byte(mp, map_off);
break;
}
/*
* Read the directory block starting at the first
* mapping.
*/
curdb = XFS_DIR2_DA_TO_DB(mp, map->br_startoff);
curdb = xfs_dir2_da_to_db(mp, map->br_startoff);
error = xfs_da_read_buf(tp, dp, map->br_startoff,
map->br_blockcount >= mp->m_dirblkfsbs ?
XFS_FSB_TO_DADDR(mp, map->br_startblock) :
@@ -1014,7 +1014,7 @@ xfs_dir2_leaf_getdents(
/*
* Having done a read, we need to set a new offset.
*/
newoff = XFS_DIR2_DB_OFF_TO_BYTE(mp, curdb, 0);
newoff = xfs_dir2_db_off_to_byte(mp, curdb, 0);
/*
* Start of the current block.
*/
@@ -1024,7 +1024,7 @@ xfs_dir2_leaf_getdents(
* Make sure we're in the right block.
*/
else if (curoff > newoff)
ASSERT(XFS_DIR2_BYTE_TO_DB(mp, curoff) ==
ASSERT(xfs_dir2_byte_to_db(mp, curoff) ==
curdb);
data = bp->data;
xfs_dir2_data_check(dp, bp);
@@ -1032,7 +1032,7 @@ xfs_dir2_leaf_getdents(
* Find our position in the block.
*/
ptr = (char *)&data->u;
byteoff = XFS_DIR2_BYTE_TO_OFF(mp, curoff);
byteoff = xfs_dir2_byte_to_off(mp, curoff);
/*
* Skip past the header.
*/
@@ -1054,15 +1054,15 @@ xfs_dir2_leaf_getdents(
}
dep = (xfs_dir2_data_entry_t *)ptr;
length =
XFS_DIR2_DATA_ENTSIZE(dep->namelen);
xfs_dir2_data_entsize(dep->namelen);
ptr += length;
}
/*
* Now set our real offset.
*/
curoff =
XFS_DIR2_DB_OFF_TO_BYTE(mp,
XFS_DIR2_BYTE_TO_DB(mp, curoff),
xfs_dir2_db_off_to_byte(mp,
xfs_dir2_byte_to_db(mp, curoff),
(char *)ptr - (char *)data);
if (ptr >= (char *)data + mp->m_dirblksize) {
continue;
@@ -1091,9 +1091,9 @@ xfs_dir2_leaf_getdents(
p->namelen = dep->namelen;
length = XFS_DIR2_DATA_ENTSIZE(p->namelen);
length = xfs_dir2_data_entsize(p->namelen);
p->cook = XFS_DIR2_BYTE_TO_DATAPTR(mp, curoff + length);
p->cook = xfs_dir2_byte_to_dataptr(mp, curoff + length);
p->ino = be64_to_cpu(dep->inumber);
#if XFS_BIG_INUMS
@@ -1121,10 +1121,10 @@ xfs_dir2_leaf_getdents(
* All done. Set output offset value to current offset.
*/
*eofp = eof;
if (curoff > XFS_DIR2_DATAPTR_TO_BYTE(mp, XFS_DIR2_MAX_DATAPTR))
if (curoff > xfs_dir2_dataptr_to_byte(mp, XFS_DIR2_MAX_DATAPTR))
uio->uio_offset = XFS_DIR2_MAX_DATAPTR;
else
uio->uio_offset = XFS_DIR2_BYTE_TO_DATAPTR(mp, curoff);
uio->uio_offset = xfs_dir2_byte_to_dataptr(mp, curoff);
kmem_free(map, map_size * sizeof(*map));
kmem_free(p, sizeof(*p));
if (bp)
@@ -1159,7 +1159,7 @@ xfs_dir2_leaf_init(
/*
* Get the buffer for the block.
*/
error = xfs_da_get_buf(tp, dp, XFS_DIR2_DB_TO_DA(mp, bno), -1, &bp,
error = xfs_da_get_buf(tp, dp, xfs_dir2_db_to_da(mp, bno), -1, &bp,
XFS_DATA_FORK);
if (error) {
return error;
@@ -1181,7 +1181,7 @@ xfs_dir2_leaf_init(
* the block.
*/
if (magic == XFS_DIR2_LEAF1_MAGIC) {
ltp = XFS_DIR2_LEAF_TAIL_P(mp, leaf);
ltp = xfs_dir2_leaf_tail_p(mp, leaf);
ltp->bestcount = 0;
xfs_dir2_leaf_log_tail(tp, bp);
}
@@ -1206,9 +1206,9 @@ xfs_dir2_leaf_log_bests(
leaf = bp->data;
ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR2_LEAF1_MAGIC);
ltp = XFS_DIR2_LEAF_TAIL_P(tp->t_mountp, leaf);
firstb = XFS_DIR2_LEAF_BESTS_P(ltp) + first;
lastb = XFS_DIR2_LEAF_BESTS_P(ltp) + last;
ltp = xfs_dir2_leaf_tail_p(tp->t_mountp, leaf);
firstb = xfs_dir2_leaf_bests_p(ltp) + first;
lastb = xfs_dir2_leaf_bests_p(ltp) + last;
xfs_da_log_buf(tp, bp, (uint)((char *)firstb - (char *)leaf),
(uint)((char *)lastb - (char *)leaf + sizeof(*lastb) - 1));
}
@@ -1268,7 +1268,7 @@ xfs_dir2_leaf_log_tail(
mp = tp->t_mountp;
leaf = bp->data;
ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR2_LEAF1_MAGIC);
ltp = XFS_DIR2_LEAF_TAIL_P(mp, leaf);
ltp = xfs_dir2_leaf_tail_p(mp, leaf);
xfs_da_log_buf(tp, bp, (uint)((char *)ltp - (char *)leaf),
(uint)(mp->m_dirblksize - 1));
}
@@ -1312,7 +1312,7 @@ xfs_dir2_leaf_lookup(
*/
dep = (xfs_dir2_data_entry_t *)
((char *)dbp->data +
XFS_DIR2_DATAPTR_TO_OFF(dp->i_mount, be32_to_cpu(lep->address)));
xfs_dir2_dataptr_to_off(dp->i_mount, be32_to_cpu(lep->address)));
/*
* Return the found inode number.
*/
@@ -1381,7 +1381,7 @@ xfs_dir2_leaf_lookup_int(
/*
* Get the new data block number.
*/
newdb = XFS_DIR2_DATAPTR_TO_DB(mp, be32_to_cpu(lep->address));
newdb = xfs_dir2_dataptr_to_db(mp, be32_to_cpu(lep->address));
/*
* If it's not the same as the old data block number,
* need to pitch the old one and read the new one.
@@ -1391,7 +1391,7 @@ xfs_dir2_leaf_lookup_int(
xfs_da_brelse(tp, dbp);
if ((error =
xfs_da_read_buf(tp, dp,
XFS_DIR2_DB_TO_DA(mp, newdb), -1, &dbp,
xfs_dir2_db_to_da(mp, newdb), -1, &dbp,
XFS_DATA_FORK))) {
xfs_da_brelse(tp, lbp);
return error;
@@ -1404,7 +1404,7 @@ xfs_dir2_leaf_lookup_int(
*/
dep = (xfs_dir2_data_entry_t *)
((char *)dbp->data +
XFS_DIR2_DATAPTR_TO_OFF(mp, be32_to_cpu(lep->address)));
xfs_dir2_dataptr_to_off(mp, be32_to_cpu(lep->address)));
/*
* If it matches then return it.
*/
@@ -1469,20 +1469,20 @@ xfs_dir2_leaf_removename(
* Point to the leaf entry, use that to point to the data entry.
*/
lep = &leaf->ents[index];
db = XFS_DIR2_DATAPTR_TO_DB(mp, be32_to_cpu(lep->address));
db = xfs_dir2_dataptr_to_db(mp, be32_to_cpu(lep->address));
dep = (xfs_dir2_data_entry_t *)
((char *)data + XFS_DIR2_DATAPTR_TO_OFF(mp, be32_to_cpu(lep->address)));
((char *)data + xfs_dir2_dataptr_to_off(mp, be32_to_cpu(lep->address)));
needscan = needlog = 0;
oldbest = be16_to_cpu(data->hdr.bestfree[0].length);
ltp = XFS_DIR2_LEAF_TAIL_P(mp, leaf);
bestsp = XFS_DIR2_LEAF_BESTS_P(ltp);
ltp = xfs_dir2_leaf_tail_p(mp, leaf);
bestsp = xfs_dir2_leaf_bests_p(ltp);
ASSERT(be16_to_cpu(bestsp[db]) == oldbest);
/*
* Mark the former data entry unused.
*/
xfs_dir2_data_make_free(tp, dbp,
(xfs_dir2_data_aoff_t)((char *)dep - (char *)data),
XFS_DIR2_DATA_ENTSIZE(dep->namelen), &needlog, &needscan);
xfs_dir2_data_entsize(dep->namelen), &needlog, &needscan);
/*
* We just mark the leaf entry stale by putting a null in it.
*/
@@ -1602,7 +1602,7 @@ xfs_dir2_leaf_replace(
*/
dep = (xfs_dir2_data_entry_t *)
((char *)dbp->data +
XFS_DIR2_DATAPTR_TO_OFF(dp->i_mount, be32_to_cpu(lep->address)));
xfs_dir2_dataptr_to_off(dp->i_mount, be32_to_cpu(lep->address)));
ASSERT(args->inumber != be64_to_cpu(dep->inumber));
/*
* Put the new inode number in, log it.
@@ -1698,7 +1698,7 @@ xfs_dir2_leaf_trim_data(
/*
* Read the offending data block. We need its buffer.
*/
if ((error = xfs_da_read_buf(tp, dp, XFS_DIR2_DB_TO_DA(mp, db), -1, &dbp,
if ((error = xfs_da_read_buf(tp, dp, xfs_dir2_db_to_da(mp, db), -1, &dbp,
XFS_DATA_FORK))) {
return error;
}
@@ -1712,7 +1712,7 @@ xfs_dir2_leaf_trim_data(
*/
leaf = lbp->data;
ltp = XFS_DIR2_LEAF_TAIL_P(mp, leaf);
ltp = xfs_dir2_leaf_tail_p(mp, leaf);
ASSERT(be16_to_cpu(data->hdr.bestfree[0].length) ==
mp->m_dirblksize - (uint)sizeof(data->hdr));
ASSERT(db == be32_to_cpu(ltp->bestcount) - 1);
@@ -1727,7 +1727,7 @@ xfs_dir2_leaf_trim_data(
/*
* Eliminate the last bests entry from the table.
*/
bestsp = XFS_DIR2_LEAF_BESTS_P(ltp);
bestsp = xfs_dir2_leaf_bests_p(ltp);
be32_add(&ltp->bestcount, -1);
memmove(&bestsp[1], &bestsp[0], be32_to_cpu(ltp->bestcount) * sizeof(*bestsp));
xfs_dir2_leaf_log_tail(tp, lbp);
@@ -1838,12 +1838,12 @@ xfs_dir2_node_to_leaf(
/*
* Set up the leaf tail from the freespace block.
*/
ltp = XFS_DIR2_LEAF_TAIL_P(mp, leaf);
ltp = xfs_dir2_leaf_tail_p(mp, leaf);
ltp->bestcount = free->hdr.nvalid;
/*
* Set up the leaf bests table.
*/
memcpy(XFS_DIR2_LEAF_BESTS_P(ltp), free->bests,
memcpy(xfs_dir2_leaf_bests_p(ltp), free->bests,
be32_to_cpu(ltp->bestcount) * sizeof(leaf->bests[0]));
xfs_dir2_leaf_log_bests(tp, lbp, 0, be32_to_cpu(ltp->bestcount) - 1);
xfs_dir2_leaf_log_tail(tp, lbp);