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[XFS] endianess annotations for xfs_dir2_free_hdr_t

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SGI-PV: 943272
SGI-Modid: xfs-linux-melb:xfs-kern:25485a

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nathan Scott <nathans@sgi.com>
This commit is contained in:
Nathan Scott 2006-03-17 17:27:07 +11:00
parent 70e73f5975
commit 0ba962ef71
4 changed files with 54 additions and 54 deletions
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2
fs/xfs/xfs_da_btree.c
View File

@ -2213,7 +2213,7 @@ xfs_da_do_buf(
(magic != XFS_DIR2_LEAFN_MAGIC) &&
(magic1 != XFS_DIR2_BLOCK_MAGIC) &&
(magic1 != XFS_DIR2_DATA_MAGIC) &&
(INT_GET(free->hdr.magic, ARCH_CONVERT) != XFS_DIR2_FREE_MAGIC),
(be32_to_cpu(free->hdr.magic) != XFS_DIR2_FREE_MAGIC),
mp, XFS_ERRTAG_DA_READ_BUF,
XFS_RANDOM_DA_READ_BUF))) {
xfs_buftrace("DA READ ERROR", rbp->bps[0]);

6
fs/xfs/xfs_dir2_leaf.c
View File

@ -1816,7 +1816,7 @@ xfs_dir2_node_to_leaf(
return error;
}
free = fbp->data;
ASSERT(INT_GET(free->hdr.magic, ARCH_CONVERT) == XFS_DIR2_FREE_MAGIC);
ASSERT(be32_to_cpu(free->hdr.magic) == XFS_DIR2_FREE_MAGIC);
ASSERT(!free->hdr.firstdb);
/*
* Now see if the leafn and free data will fit in a leaf1.
@ -1824,7 +1824,7 @@ xfs_dir2_node_to_leaf(
*/
if ((uint)sizeof(leaf->hdr) +
(INT_GET(leaf->hdr.count, ARCH_CONVERT) - INT_GET(leaf->hdr.stale, ARCH_CONVERT)) * (uint)sizeof(leaf->ents[0]) +
INT_GET(free->hdr.nvalid, ARCH_CONVERT) * (uint)sizeof(leaf->bests[0]) +
be32_to_cpu(free->hdr.nvalid) * (uint)sizeof(leaf->bests[0]) +
(uint)sizeof(leaf->tail) >
mp->m_dirblksize) {
xfs_da_brelse(tp, fbp);
@ -1843,7 +1843,7 @@ xfs_dir2_node_to_leaf(
* Set up the leaf tail from the freespace block.
*/
ltp = XFS_DIR2_LEAF_TAIL_P(mp, leaf);
INT_COPY(ltp->bestcount, free->hdr.nvalid, ARCH_CONVERT);
ltp->bestcount = free->hdr.nvalid;
/*
* Set up the leaf bests table.
*/

90
fs/xfs/xfs_dir2_node.c
View File

@ -76,7 +76,7 @@ xfs_dir2_free_log_bests(
xfs_dir2_free_t *free; /* freespace structure */
free = bp->data;
ASSERT(INT_GET(free->hdr.magic, ARCH_CONVERT) == XFS_DIR2_FREE_MAGIC);
ASSERT(be32_to_cpu(free->hdr.magic) == XFS_DIR2_FREE_MAGIC);
xfs_da_log_buf(tp, bp,
(uint)((char *)&free->bests[first] - (char *)free),
(uint)((char *)&free->bests[last] - (char *)free +
@ -94,7 +94,7 @@ xfs_dir2_free_log_header(
xfs_dir2_free_t *free; /* freespace structure */
free = bp->data;
ASSERT(INT_GET(free->hdr.magic, ARCH_CONVERT) == XFS_DIR2_FREE_MAGIC);
ASSERT(be32_to_cpu(free->hdr.magic) == XFS_DIR2_FREE_MAGIC);
xfs_da_log_buf(tp, bp, (uint)((char *)&free->hdr - (char *)free),
(uint)(sizeof(xfs_dir2_free_hdr_t) - 1));
}
@ -121,7 +121,7 @@ xfs_dir2_leaf_to_node(
xfs_mount_t *mp; /* filesystem mount point */
int n; /* count of live freespc ents */
xfs_dir2_data_off_t off; /* freespace entry value */
xfs_dir2_data_off_t *to; /* pointer to freespace entry */
__be16 *to; /* pointer to freespace entry */
xfs_trans_t *tp; /* transaction pointer */
xfs_dir2_trace_args_b("leaf_to_node", args, lbp);
@ -149,10 +149,10 @@ xfs_dir2_leaf_to_node(
/*
* Initialize the freespace block header.
*/
INT_SET(free->hdr.magic, ARCH_CONVERT, XFS_DIR2_FREE_MAGIC);
free->hdr.magic = cpu_to_be32(XFS_DIR2_FREE_MAGIC);
free->hdr.firstdb = 0;
ASSERT(INT_GET(ltp->bestcount, ARCH_CONVERT) <= (uint)dp->i_d.di_size / mp->m_dirblksize);
INT_COPY(free->hdr.nvalid, ltp->bestcount, ARCH_CONVERT);
free->hdr.nvalid = ltp->bestcount;
/*
* Copy freespace entries from the leaf block to the new block.
* Count active entries.
@ -161,16 +161,16 @@ xfs_dir2_leaf_to_node(
i < INT_GET(ltp->bestcount, ARCH_CONVERT); i++, from++, to++) {
if ((off = INT_GET(*from, ARCH_CONVERT)) != NULLDATAOFF)
n++;
INT_SET(*to, ARCH_CONVERT, off);
*to = cpu_to_be16(off);
}
INT_SET(free->hdr.nused, ARCH_CONVERT, n);
free->hdr.nused = cpu_to_be32(n);
INT_SET(leaf->hdr.info.magic, ARCH_CONVERT, XFS_DIR2_LEAFN_MAGIC);
/*
* Log everything.
*/
xfs_dir2_leaf_log_header(tp, lbp);
xfs_dir2_free_log_header(tp, fbp);
xfs_dir2_free_log_bests(tp, fbp, 0, INT_GET(free->hdr.nvalid, ARCH_CONVERT) - 1);
xfs_dir2_free_log_bests(tp, fbp, 0, be32_to_cpu(free->hdr.nvalid) - 1);
xfs_da_buf_done(fbp);
xfs_dir2_leafn_check(dp, lbp);
return 0;
@ -443,7 +443,7 @@ xfs_dir2_leafn_lookup_int(
curdb = -1;
length = XFS_DIR2_DATA_ENTSIZE(args->namelen);
if ((free = (curbp ? curbp->data : NULL)))
ASSERT(INT_GET(free->hdr.magic, ARCH_CONVERT) == XFS_DIR2_FREE_MAGIC);
ASSERT(be32_to_cpu(free->hdr.magic) == XFS_DIR2_FREE_MAGIC);
}
/*
* For others, it's a data block buffer, get the block number.
@ -506,15 +506,15 @@ xfs_dir2_leafn_lookup_int(
}
curfdb = newfdb;
free = curbp->data;
ASSERT(INT_GET(free->hdr.magic, ARCH_CONVERT) ==
ASSERT(be32_to_cpu(free->hdr.magic) ==
XFS_DIR2_FREE_MAGIC);
ASSERT((INT_GET(free->hdr.firstdb, ARCH_CONVERT) %
ASSERT((be32_to_cpu(free->hdr.firstdb) %
XFS_DIR2_MAX_FREE_BESTS(mp)) ==
0);
ASSERT(INT_GET(free->hdr.firstdb, ARCH_CONVERT) <= curdb);
ASSERT(be32_to_cpu(free->hdr.firstdb) <= curdb);
ASSERT(curdb <
INT_GET(free->hdr.firstdb, ARCH_CONVERT) +
INT_GET(free->hdr.nvalid, ARCH_CONVERT));
be32_to_cpu(free->hdr.firstdb) +
be32_to_cpu(free->hdr.nvalid));
}
/*
* Get the index for our entry.
@ -523,12 +523,12 @@ xfs_dir2_leafn_lookup_int(
/*
* If it has room, return it.
*/
if (unlikely(INT_GET(free->bests[fi], ARCH_CONVERT) == NULLDATAOFF)) {
if (unlikely(be16_to_cpu(free->bests[fi]) == NULLDATAOFF)) {
XFS_ERROR_REPORT("xfs_dir2_leafn_lookup_int",
XFS_ERRLEVEL_LOW, mp);
return XFS_ERROR(EFSCORRUPTED);
}
if (INT_GET(free->bests[fi], ARCH_CONVERT) >= length) {
if (be16_to_cpu(free->bests[fi]) >= length) {
*indexp = index;
state->extravalid = 1;
state->extrablk.bp = curbp;
@ -929,8 +929,8 @@ xfs_dir2_leafn_remove(
return error;
}
free = fbp->data;
ASSERT(INT_GET(free->hdr.magic, ARCH_CONVERT) == XFS_DIR2_FREE_MAGIC);
ASSERT(INT_GET(free->hdr.firstdb, ARCH_CONVERT) ==
ASSERT(be32_to_cpu(free->hdr.magic) == XFS_DIR2_FREE_MAGIC);
ASSERT(be32_to_cpu(free->hdr.firstdb) ==
XFS_DIR2_MAX_FREE_BESTS(mp) *
(fdb - XFS_DIR2_FREE_FIRSTDB(mp)));
/*
@ -969,7 +969,7 @@ xfs_dir2_leafn_remove(
/*
* One less used entry in the free table.
*/
INT_MOD(free->hdr.nused, ARCH_CONVERT, -1);
free->hdr.nused = cpu_to_be32(-1);
xfs_dir2_free_log_header(tp, fbp);
/*
* If this was the last entry in the table, we can
@ -977,21 +977,21 @@ xfs_dir2_leafn_remove(
* entries at the end referring to non-existent
* data blocks, get those too.
*/
if (findex == INT_GET(free->hdr.nvalid, ARCH_CONVERT) - 1) {
if (findex == be32_to_cpu(free->hdr.nvalid) - 1) {
int i; /* free entry index */
for (i = findex - 1;
i >= 0 && INT_GET(free->bests[i], ARCH_CONVERT) == NULLDATAOFF;
i >= 0 && be16_to_cpu(free->bests[i]) == NULLDATAOFF;
i--)
continue;
INT_SET(free->hdr.nvalid, ARCH_CONVERT, i + 1);
free->hdr.nvalid = cpu_to_be32(i + 1);
logfree = 0;
}
/*
* Not the last entry, just punch it out.
*/
else {
INT_SET(free->bests[findex], ARCH_CONVERT, NULLDATAOFF);
free->bests[findex] = cpu_to_be16(NULLDATAOFF);
logfree = 1;
}
/*
@ -1017,7 +1017,7 @@ xfs_dir2_leafn_remove(
* the new value.
*/
else {
INT_SET(free->bests[findex], ARCH_CONVERT, longest);
free->bests[findex] = cpu_to_be16(longest);
logfree = 1;
}
/*
@ -1397,7 +1397,7 @@ xfs_dir2_node_addname_int(
*/
ifbno = fblk->blkno;
free = fbp->data;
ASSERT(INT_GET(free->hdr.magic, ARCH_CONVERT) == XFS_DIR2_FREE_MAGIC);
ASSERT(be32_to_cpu(free->hdr.magic) == XFS_DIR2_FREE_MAGIC);
findex = fblk->index;
/*
* This means the free entry showed that the data block had
@ -1405,10 +1405,10 @@ xfs_dir2_node_addname_int(
* Use that data block.
*/
if (findex >= 0) {
ASSERT(findex < INT_GET(free->hdr.nvalid, ARCH_CONVERT));
ASSERT(INT_GET(free->bests[findex], ARCH_CONVERT) != NULLDATAOFF);
ASSERT(INT_GET(free->bests[findex], ARCH_CONVERT) >= length);
dbno = INT_GET(free->hdr.firstdb, ARCH_CONVERT) + findex;
ASSERT(findex < be32_to_cpu(free->hdr.nvalid));
ASSERT(be16_to_cpu(free->bests[findex]) != NULLDATAOFF);
ASSERT(be16_to_cpu(free->bests[findex]) >= length);
dbno = be32_to_cpu(free->hdr.firstdb) + findex;
}
/*
* The data block looked at didn't have enough room.
@ -1481,20 +1481,20 @@ xfs_dir2_node_addname_int(
continue;
}
free = fbp->data;
ASSERT(INT_GET(free->hdr.magic, ARCH_CONVERT) == XFS_DIR2_FREE_MAGIC);
ASSERT(be32_to_cpu(free->hdr.magic) == XFS_DIR2_FREE_MAGIC);
findex = 0;
}
/*
* Look at the current free entry. Is it good enough?
*/
if (INT_GET(free->bests[findex], ARCH_CONVERT) != NULLDATAOFF &&
INT_GET(free->bests[findex], ARCH_CONVERT) >= length)
dbno = INT_GET(free->hdr.firstdb, ARCH_CONVERT) + findex;
if (be16_to_cpu(free->bests[findex]) != NULLDATAOFF &&
be16_to_cpu(free->bests[findex]) >= length)
dbno = be32_to_cpu(free->hdr.firstdb) + findex;
else {
/*
* Are we done with the freeblock?
*/
if (++findex == INT_GET(free->hdr.nvalid, ARCH_CONVERT)) {
if (++findex == be32_to_cpu(free->hdr.nvalid)) {
/*
* Drop the block.
*/
@ -1608,15 +1608,15 @@ xfs_dir2_node_addname_int(
* its first slot as our empty slot.
*/
free = fbp->data;
INT_SET(free->hdr.magic, ARCH_CONVERT, XFS_DIR2_FREE_MAGIC);
INT_SET(free->hdr.firstdb, ARCH_CONVERT,
free->hdr.magic = cpu_to_be32(XFS_DIR2_FREE_MAGIC);
free->hdr.firstdb = cpu_to_be32(
(fbno - XFS_DIR2_FREE_FIRSTDB(mp)) *
XFS_DIR2_MAX_FREE_BESTS(mp));
free->hdr.nvalid = 0;
free->hdr.nused = 0;
} else {
free = fbp->data;
ASSERT(INT_GET(free->hdr.magic, ARCH_CONVERT) == XFS_DIR2_FREE_MAGIC);
ASSERT(be32_to_cpu(free->hdr.magic) == XFS_DIR2_FREE_MAGIC);
}
/*
@ -1627,20 +1627,20 @@ xfs_dir2_node_addname_int(
* If it's after the end of the current entries in the
* freespace block, extend that table.
*/
if (findex >= INT_GET(free->hdr.nvalid, ARCH_CONVERT)) {
if (findex >= be32_to_cpu(free->hdr.nvalid)) {
ASSERT(findex < XFS_DIR2_MAX_FREE_BESTS(mp));
INT_SET(free->hdr.nvalid, ARCH_CONVERT, findex + 1);
free->hdr.nvalid = cpu_to_be32(findex + 1);
/*
* Tag new entry so nused will go up.
*/
INT_SET(free->bests[findex], ARCH_CONVERT, NULLDATAOFF);
free->bests[findex] = cpu_to_be16(NULLDATAOFF);
}
/*
* If this entry was for an empty data block
* (this should always be true) then update the header.
*/
if (INT_GET(free->bests[findex], ARCH_CONVERT) == NULLDATAOFF) {
INT_MOD(free->hdr.nused, ARCH_CONVERT, +1);
if (be16_to_cpu(free->bests[findex]) == NULLDATAOFF) {
be32_add(&free->hdr.nused, 1);
xfs_dir2_free_log_header(tp, fbp);
}
/*
@ -1713,7 +1713,7 @@ xfs_dir2_node_addname_int(
/*
* If the freespace entry is now wrong, update it.
*/
if (INT_GET(free->bests[findex], ARCH_CONVERT) != be16_to_cpu(data->hdr.bestfree[0].length)) {
if (be16_to_cpu(free->bests[findex]) != be16_to_cpu(data->hdr.bestfree[0].length)) {
free->bests[findex] = data->hdr.bestfree[0].length;
logfree = 1;
}
@ -1966,11 +1966,11 @@ xfs_dir2_node_trim_free(
return 0;
}
free = bp->data;
ASSERT(INT_GET(free->hdr.magic, ARCH_CONVERT) == XFS_DIR2_FREE_MAGIC);
ASSERT(be32_to_cpu(free->hdr.magic) == XFS_DIR2_FREE_MAGIC);
/*
* If there are used entries, there's nothing to do.
*/
if (INT_GET(free->hdr.nused, ARCH_CONVERT) > 0) {
if (be32_to_cpu(free->hdr.nused) > 0) {
xfs_da_brelse(tp, bp);
*rvalp = 0;
return 0;

10
fs/xfs/xfs_dir2_node.h
View File

@ -41,15 +41,15 @@ struct xfs_trans;
#define XFS_DIR2_FREE_MAGIC 0x58443246 /* XD2F */
typedef struct xfs_dir2_free_hdr {
__uint32_t magic; /* XFS_DIR2_FREE_MAGIC */
__int32_t firstdb; /* db of first entry */
__int32_t nvalid; /* count of valid entries */
__int32_t nused; /* count of used entries */
__be32 magic; /* XFS_DIR2_FREE_MAGIC */
__be32 firstdb; /* db of first entry */
__be32 nvalid; /* count of valid entries */
__be32 nused; /* count of used entries */
} xfs_dir2_free_hdr_t;
typedef struct xfs_dir2_free {
xfs_dir2_free_hdr_t hdr; /* block header */
xfs_dir2_data_off_t bests[1]; /* best free counts */
__be16 bests[1]; /* best free counts */
/* unused entries are -1 */
} xfs_dir2_free_t;