This addition follows the same pattern as the dir2 block CRCs.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Ben Myers <bpm@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
if (hdr3->magic != cpu_to_be32(XFS_DIR2_BLOCK_MAGIC))
return false;
}
- if (__xfs_dir2_data_check(NULL, bp))
+ if (__xfs_dir3_data_check(NULL, bp))
return false;
return true;
}
xfs_dir2_data_log_header(tp, bp);
xfs_dir2_block_log_tail(tp, bp);
xfs_dir2_data_log_entry(tp, bp, dep);
- xfs_dir2_data_check(dp, bp);
+ xfs_dir3_data_check(dp, bp);
return 0;
}
*/
wantoff = xfs_dir2_dataptr_to_off(mp, *offset);
hdr = bp->b_addr;
- xfs_dir2_data_check(dp, bp);
+ xfs_dir3_data_check(dp, bp);
/*
* Set up values for the loop.
*/
dp = args->dp;
mp = dp->i_mount;
hdr = bp->b_addr;
- xfs_dir2_data_check(dp, bp);
+ xfs_dir3_data_check(dp, bp);
btp = xfs_dir2_block_tail_p(mp, hdr);
blp = xfs_dir2_block_leaf_p(btp);
/*
return error;
hdr = bp->b_addr;
- xfs_dir2_data_check(dp, bp);
+ xfs_dir3_data_check(dp, bp);
btp = xfs_dir2_block_tail_p(mp, hdr);
blp = xfs_dir2_block_leaf_p(btp);
/*
xfs_dir2_data_freescan(mp, hdr, &needlog);
if (needlog)
xfs_dir2_data_log_header(tp, bp);
- xfs_dir2_data_check(dp, bp);
+ xfs_dir3_data_check(dp, bp);
/*
* See if the size as a shortform is good enough.
*/
*/
dep->inumber = cpu_to_be64(args->inumber);
xfs_dir2_data_log_entry(args->trans, bp, dep);
- xfs_dir2_data_check(dp, bp);
+ xfs_dir3_data_check(dp, bp);
return 0;
}
* Read the data block if we don't already have it, give up if it fails.
*/
if (!dbp) {
- error = xfs_dir2_data_read(tp, dp, mp->m_dirdatablk, -1, &dbp);
+ error = xfs_dir3_data_read(tp, dp, mp->m_dirdatablk, -1, &dbp);
if (error)
return error;
}
hdr = dbp->b_addr;
- ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC));
+ ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC) ||
+ hdr->magic == cpu_to_be32(XFS_DIR3_DATA_MAGIC));
+
/*
* Size of the "leaf" area in the block.
*/
ASSERT(needscan == 0);
xfs_dir2_block_log_leaf(tp, bp, 0, be32_to_cpu(btp->count) - 1);
xfs_dir2_block_log_tail(tp, bp);
- xfs_dir2_data_check(dp, bp);
+ xfs_dir3_data_check(dp, bp);
return 0;
}
#include "xfs_dir2_format.h"
#include "xfs_dir2_priv.h"
#include "xfs_error.h"
+#include "xfs_buf_item.h"
+#include "xfs_cksum.h"
STATIC xfs_dir2_data_free_t *
xfs_dir2_data_freefind(xfs_dir2_data_hdr_t *hdr, xfs_dir2_data_unused_t *dup);
* Return 0 is the buffer is good, otherwise an error.
*/
int
-__xfs_dir2_data_check(
+__xfs_dir3_data_check(
struct xfs_inode *dp, /* incore inode pointer */
struct xfs_buf *bp) /* data block's buffer */
{
lep = xfs_dir2_block_leaf_p(btp);
endp = (char *)lep;
break;
+ case cpu_to_be32(XFS_DIR3_DATA_MAGIC):
case cpu_to_be32(XFS_DIR2_DATA_MAGIC):
endp = (char *)hdr + mp->m_dirblksize;
break;
return 0;
}
-static void
-xfs_dir2_data_verify(
+static bool
+xfs_dir3_data_verify(
struct xfs_buf *bp)
{
struct xfs_mount *mp = bp->b_target->bt_mount;
- struct xfs_dir2_data_hdr *hdr = bp->b_addr;
- int block_ok = 0;
+ struct xfs_dir3_blk_hdr *hdr3 = bp->b_addr;
- block_ok = hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC);
- block_ok = block_ok && __xfs_dir2_data_check(NULL, bp) == 0;
-
- if (!block_ok) {
- XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, hdr);
- xfs_buf_ioerror(bp, EFSCORRUPTED);
+ if (xfs_sb_version_hascrc(&mp->m_sb)) {
+ if (hdr3->magic != cpu_to_be32(XFS_DIR3_DATA_MAGIC))
+ return false;
+ if (!uuid_equal(&hdr3->uuid, &mp->m_sb.sb_uuid))
+ return false;
+ if (be64_to_cpu(hdr3->blkno) != bp->b_bn)
+ return false;
+ } else {
+ if (hdr3->magic != cpu_to_be32(XFS_DIR2_DATA_MAGIC))
+ return false;
}
+ if (__xfs_dir3_data_check(NULL, bp))
+ return false;
+ return true;
}
/*
* format buffer or a data format buffer on readahead.
*/
static void
-xfs_dir2_data_reada_verify(
+xfs_dir3_data_reada_verify(
struct xfs_buf *bp)
{
struct xfs_mount *mp = bp->b_target->bt_mount;
bp->b_ops->verify_read(bp);
return;
case cpu_to_be32(XFS_DIR2_DATA_MAGIC):
- xfs_dir2_data_verify(bp);
+ case cpu_to_be32(XFS_DIR3_DATA_MAGIC):
+ xfs_dir3_data_verify(bp);
return;
default:
XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, hdr);
}
static void
-xfs_dir2_data_read_verify(
+xfs_dir3_data_read_verify(
struct xfs_buf *bp)
{
- xfs_dir2_data_verify(bp);
+ struct xfs_mount *mp = bp->b_target->bt_mount;
+
+ if ((xfs_sb_version_hascrc(&mp->m_sb) &&
+ !xfs_verify_cksum(bp->b_addr, BBTOB(bp->b_length),
+ XFS_DIR3_DATA_CRC_OFF)) ||
+ !xfs_dir3_data_verify(bp)) {
+ XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
+ xfs_buf_ioerror(bp, EFSCORRUPTED);
+ }
}
static void
-xfs_dir2_data_write_verify(
+xfs_dir3_data_write_verify(
struct xfs_buf *bp)
{
- xfs_dir2_data_verify(bp);
+ struct xfs_mount *mp = bp->b_target->bt_mount;
+ struct xfs_buf_log_item *bip = bp->b_fspriv;
+ struct xfs_dir3_blk_hdr *hdr3 = bp->b_addr;
+
+ if (!xfs_dir3_data_verify(bp)) {
+ XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, bp->b_addr);
+ xfs_buf_ioerror(bp, EFSCORRUPTED);
+ return;
+ }
+
+ if (!xfs_sb_version_hascrc(&mp->m_sb))
+ return;
+
+ if (bip)
+ hdr3->lsn = cpu_to_be64(bip->bli_item.li_lsn);
+
+ xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length), XFS_DIR3_DATA_CRC_OFF);
}
-const struct xfs_buf_ops xfs_dir2_data_buf_ops = {
- .verify_read = xfs_dir2_data_read_verify,
- .verify_write = xfs_dir2_data_write_verify,
+const struct xfs_buf_ops xfs_dir3_data_buf_ops = {
+ .verify_read = xfs_dir3_data_read_verify,
+ .verify_write = xfs_dir3_data_write_verify,
};
-static const struct xfs_buf_ops xfs_dir2_data_reada_buf_ops = {
- .verify_read = xfs_dir2_data_reada_verify,
- .verify_write = xfs_dir2_data_write_verify,
+static const struct xfs_buf_ops xfs_dir3_data_reada_buf_ops = {
+ .verify_read = xfs_dir3_data_reada_verify,
+ .verify_write = xfs_dir3_data_write_verify,
};
int
-xfs_dir2_data_read(
+xfs_dir3_data_read(
struct xfs_trans *tp,
struct xfs_inode *dp,
xfs_dablk_t bno,
struct xfs_buf **bpp)
{
return xfs_da_read_buf(tp, dp, bno, mapped_bno, bpp,
- XFS_DATA_FORK, &xfs_dir2_data_buf_ops);
+ XFS_DATA_FORK, &xfs_dir3_data_buf_ops);
}
int
-xfs_dir2_data_readahead(
+xfs_dir3_data_readahead(
struct xfs_trans *tp,
struct xfs_inode *dp,
xfs_dablk_t bno,
xfs_daddr_t mapped_bno)
{
return xfs_da_reada_buf(tp, dp, bno, mapped_bno,
- XFS_DATA_FORK, &xfs_dir2_data_reada_buf_ops);
+ XFS_DATA_FORK, &xfs_dir3_data_reada_buf_ops);
}
/*
* one we're looking for it has to be exact.
*/
ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC) ||
+ hdr->magic == cpu_to_be32(XFS_DIR3_DATA_MAGIC) ||
hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC) ||
hdr->magic == cpu_to_be32(XFS_DIR3_BLOCK_MAGIC));
for (dfp = &bf[0], seenzero = matched = 0;
char *p; /* current entry pointer */
ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC) ||
+ hdr->magic == cpu_to_be32(XFS_DIR3_DATA_MAGIC) ||
hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC) ||
hdr->magic == cpu_to_be32(XFS_DIR3_BLOCK_MAGIC));
XFS_DATA_FORK);
if (error)
return error;
- bp->b_ops = &xfs_dir2_data_buf_ops;
+ bp->b_ops = &xfs_dir3_data_buf_ops;
/*
* Initialize the header.
*/
hdr = bp->b_addr;
-
if (xfs_sb_version_hascrc(&mp->m_sb)) {
struct xfs_dir3_blk_hdr *hdr3 = bp->b_addr;
xfs_dir2_data_hdr_t *hdr = bp->b_addr;
ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC) ||
+ hdr->magic == cpu_to_be32(XFS_DIR3_DATA_MAGIC) ||
hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC) ||
hdr->magic == cpu_to_be32(XFS_DIR3_BLOCK_MAGIC));
xfs_dir2_data_hdr_t *hdr = bp->b_addr;
ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC) ||
+ hdr->magic == cpu_to_be32(XFS_DIR3_DATA_MAGIC) ||
hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC) ||
hdr->magic == cpu_to_be32(XFS_DIR3_BLOCK_MAGIC));
xfs_dir2_data_hdr_t *hdr = bp->b_addr;
ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC) ||
+ hdr->magic == cpu_to_be32(XFS_DIR3_DATA_MAGIC) ||
hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC) ||
hdr->magic == cpu_to_be32(XFS_DIR3_BLOCK_MAGIC));
/*
* Figure out where the end of the data area is.
*/
- if (hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC))
+ if (hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC) ||
+ hdr->magic == cpu_to_be32(XFS_DIR3_DATA_MAGIC))
endptr = (char *)hdr + mp->m_dirblksize;
else {
xfs_dir2_block_tail_t *btp; /* block tail */
hdr = bp->b_addr;
ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC) ||
+ hdr->magic == cpu_to_be32(XFS_DIR3_DATA_MAGIC) ||
hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC) ||
hdr->magic == cpu_to_be32(XFS_DIR3_BLOCK_MAGIC));
ASSERT(be16_to_cpu(dup->freetag) == XFS_DIR2_DATA_FREE_TAG);
static inline struct xfs_dir2_data_free *
xfs_dir3_data_bestfree_p(struct xfs_dir2_data_hdr *hdr)
{
- if (hdr->magic == cpu_to_be32(XFS_DIR3_BLOCK_MAGIC)) {
+ if (hdr->magic == cpu_to_be32(XFS_DIR3_DATA_MAGIC) ||
+ hdr->magic == cpu_to_be32(XFS_DIR3_BLOCK_MAGIC)) {
struct xfs_dir3_data_hdr *hdr3 = (struct xfs_dir3_data_hdr *)hdr;
return hdr3->best_free;
}
be16_to_cpu(dup->length) - sizeof(__be16));
}
-static inline struct xfs_dir2_data_unused *
-xfs_dir3_data_unused_p(struct xfs_dir2_data_hdr *hdr)
-{
- if (hdr->magic == cpu_to_be32(XFS_DIR3_BLOCK_MAGIC)) {
- return (struct xfs_dir2_data_unused *)
- ((char *)hdr + sizeof(struct xfs_dir3_data_hdr));
- }
- return (struct xfs_dir2_data_unused *)
- ((char *)hdr + sizeof(struct xfs_dir2_data_hdr));
-}
-
static inline size_t
xfs_dir3_data_hdr_size(bool dir3)
{
((char *)hdr + xfs_dir3_data_entry_offset(hdr));
}
+static inline 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(hdr));
+}
+
/*
* Offsets of . and .. in data space (always block 0)
*/
int needlog; /* need to log block header */
int needscan; /* need to rescan bestfree */
xfs_trans_t *tp; /* transaction pointer */
- struct xfs_dir2_data_free *bf;
+ struct xfs_dir2_data_free *bf;
trace_xfs_dir2_block_to_leaf(args);
ASSERT(lbp != NULL);
leaf = lbp->b_addr;
hdr = dbp->b_addr;
- xfs_dir2_data_check(dp, dbp);
+ 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);
/*
* Fix up the block header, make it a data block.
*/
- dbp->b_ops = &xfs_dir2_data_buf_ops;
- hdr->magic = cpu_to_be32(XFS_DIR2_DATA_MAGIC);
+ dbp->b_ops = &xfs_dir3_data_buf_ops;
+ if (hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC))
+ hdr->magic = cpu_to_be32(XFS_DIR2_DATA_MAGIC);
+ else
+ hdr->magic = cpu_to_be32(XFS_DIR3_DATA_MAGIC);
+
if (needscan)
xfs_dir2_data_freescan(mp, hdr, &needlog);
/*
if (needlog)
xfs_dir2_data_log_header(tp, dbp);
xfs_dir2_leaf_check(dp, lbp);
- xfs_dir2_data_check(dp, dbp);
+ xfs_dir3_data_check(dp, dbp);
xfs_dir2_leaf_log_bests(tp, lbp, 0, 0);
return 0;
}
__be16 *tagp; /* end of data entry */
xfs_trans_t *tp; /* transaction pointer */
xfs_dir2_db_t use_block; /* data block number */
+ struct xfs_dir2_data_free *bf; /* bestfree table */
trace_xfs_dir2_leaf_addname(args);
else
xfs_dir2_leaf_log_bests(tp, lbp, use_block, use_block);
hdr = dbp->b_addr;
- bestsp[use_block] = hdr->bestfree[0].length;
+ bf = xfs_dir3_data_bestfree_p(hdr);
+ bestsp[use_block] = bf[0].length;
grown = 1;
} else {
/*
* Already had space in some data block.
* Just read that one in.
*/
- error = xfs_dir2_data_read(tp, dp,
+ error = xfs_dir3_data_read(tp, dp,
xfs_dir2_db_to_da(mp, use_block),
-1, &dbp);
if (error) {
return error;
}
hdr = dbp->b_addr;
+ bf = xfs_dir3_data_bestfree_p(hdr);
grown = 0;
}
/*
* Point to the biggest freespace in our data block.
*/
dup = (xfs_dir2_data_unused_t *)
- ((char *)hdr + be16_to_cpu(hdr->bestfree[0].offset));
+ ((char *)hdr + be16_to_cpu(bf[0].offset));
ASSERT(be16_to_cpu(dup->length) >= length);
needscan = needlog = 0;
/*
* If the bests table needs to be changed, do it.
* Log the change unless we've already done that.
*/
- if (be16_to_cpu(bestsp[use_block]) != be16_to_cpu(hdr->bestfree[0].length)) {
- bestsp[use_block] = hdr->bestfree[0].length;
+ if (be16_to_cpu(bestsp[use_block]) != be16_to_cpu(bf[0].length)) {
+ bestsp[use_block] = bf[0].length;
if (!grown)
xfs_dir2_leaf_log_bests(tp, lbp, use_block, use_block);
}
xfs_dir2_leaf_log_header(tp, lbp);
xfs_dir2_leaf_log_ents(tp, lbp, lfloglow, lfloghigh);
xfs_dir2_leaf_check(dp, lbp);
- xfs_dir2_data_check(dp, dbp);
+ xfs_dir3_data_check(dp, dbp);
return 0;
}
* Read the directory block starting at the first mapping.
*/
mip->curdb = xfs_dir2_da_to_db(mp, map->br_startoff);
- error = xfs_dir2_data_read(NULL, dp, map->br_startoff,
+ error = xfs_dir3_data_read(NULL, dp, map->br_startoff,
map->br_blockcount >= mp->m_dirblkfsbs ?
XFS_FSB_TO_DADDR(mp, map->br_startblock) : -1, &bp);
*/
if (i > mip->ra_current &&
map[mip->ra_index].br_blockcount >= mp->m_dirblkfsbs) {
- xfs_dir2_data_readahead(NULL, dp,
+ xfs_dir3_data_readahead(NULL, dp,
map[mip->ra_index].br_startoff + mip->ra_offset,
XFS_FSB_TO_DADDR(mp,
map[mip->ra_index].br_startblock +
* use our mapping, but this is a very rare case.
*/
else if (i > mip->ra_current) {
- xfs_dir2_data_readahead(NULL, dp,
+ xfs_dir3_data_readahead(NULL, dp,
map[mip->ra_index].br_startoff +
mip->ra_offset, -1);
mip->ra_current = i;
ASSERT(xfs_dir2_byte_to_db(mp, curoff) ==
map_info->curdb);
hdr = bp->b_addr;
- xfs_dir2_data_check(dp, bp);
+ xfs_dir3_data_check(dp, bp);
/*
* Find our position in the block.
*/
- ptr = (char *)(hdr + 1);
+ ptr = (char *)xfs_dir3_data_entry_p(hdr);
byteoff = xfs_dir2_byte_to_off(mp, curoff);
/*
* Skip past the header.
*/
if (byteoff == 0)
- curoff += (uint)sizeof(*hdr);
+ curoff += xfs_dir3_data_entry_offset(hdr);
/*
* Skip past entries until we reach our offset.
*/
if (newdb != curdb) {
if (dbp)
xfs_trans_brelse(tp, dbp);
- error = xfs_dir2_data_read(tp, dp,
+ error = xfs_dir3_data_read(tp, dp,
xfs_dir2_db_to_da(mp, newdb),
-1, &dbp);
if (error) {
ASSERT(cidb != -1);
if (cidb != curdb) {
xfs_trans_brelse(tp, dbp);
- error = xfs_dir2_data_read(tp, dp,
+ error = xfs_dir3_data_read(tp, dp,
xfs_dir2_db_to_da(mp, cidb),
-1, &dbp);
if (error) {
int needscan; /* need to rescan data frees */
xfs_dir2_data_off_t oldbest; /* old value of best free */
xfs_trans_t *tp; /* transaction pointer */
+ struct xfs_dir2_data_free *bf; /* bestfree table */
trace_xfs_dir2_leaf_removename(args);
mp = dp->i_mount;
leaf = lbp->b_addr;
hdr = dbp->b_addr;
- xfs_dir2_data_check(dp, dbp);
+ bf = xfs_dir3_data_bestfree_p(hdr);
+ xfs_dir3_data_check(dp, dbp);
/*
* Point to the leaf entry, use that to point to the data entry.
*/
dep = (xfs_dir2_data_entry_t *)
((char *)hdr + xfs_dir2_dataptr_to_off(mp, be32_to_cpu(lep->address)));
needscan = needlog = 0;
- oldbest = be16_to_cpu(hdr->bestfree[0].length);
+ oldbest = be16_to_cpu(bf[0].length);
ltp = xfs_dir2_leaf_tail_p(mp, leaf);
bestsp = xfs_dir2_leaf_bests_p(ltp);
ASSERT(be16_to_cpu(bestsp[db]) == oldbest);
* If the longest freespace in the data block has changed,
* put the new value in the bests table and log that.
*/
- if (be16_to_cpu(hdr->bestfree[0].length) != oldbest) {
- bestsp[db] = hdr->bestfree[0].length;
+ if (be16_to_cpu(bf[0].length) != oldbest) {
+ bestsp[db] = bf[0].length;
xfs_dir2_leaf_log_bests(tp, lbp, db, db);
}
- xfs_dir2_data_check(dp, dbp);
+ xfs_dir3_data_check(dp, dbp);
/*
* If the data block is now empty then get rid of the data block.
*/
- if (be16_to_cpu(hdr->bestfree[0].length) ==
- mp->m_dirblksize - (uint)sizeof(*hdr)) {
+ if (be16_to_cpu(bf[0].length) ==
+ mp->m_dirblksize - xfs_dir3_data_entry_offset(hdr)) {
ASSERT(db != mp->m_dirdatablk);
if ((error = xfs_dir2_shrink_inode(args, db, dbp))) {
/*
/*
* Read the offending data block. We need its buffer.
*/
- error = xfs_dir2_data_read(tp, dp, xfs_dir2_db_to_da(mp, db), -1, &dbp);
+ error = xfs_dir3_data_read(tp, dp, xfs_dir2_db_to_da(mp, db), -1, &dbp);
if (error)
return error;
#ifdef DEBUG
{
struct xfs_dir2_data_hdr *hdr = dbp->b_addr;
+ struct xfs_dir2_data_free *bf = xfs_dir3_data_bestfree_p(hdr);
- ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC));
- ASSERT(be16_to_cpu(hdr->bestfree[0].length) ==
- mp->m_dirblksize - (uint)sizeof(*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));
ASSERT(db == be32_to_cpu(ltp->bestcount) - 1);
}
#endif
ASSERT(state->extravalid);
curbp = state->extrablk.bp;
} else {
- error = xfs_dir2_data_read(tp, dp,
+ error = xfs_dir3_data_read(tp, dp,
xfs_dir2_db_to_da(mp, newdb),
-1, &curbp);
if (error)
return error;
}
- xfs_dir2_data_check(dp, curbp);
+ xfs_dir3_data_check(dp, curbp);
curdb = newdb;
}
/*
state->extrablk.index = (int)((char *)dep -
(char *)curbp->b_addr);
state->extrablk.magic = XFS_DIR2_DATA_MAGIC;
- curbp->b_ops = &xfs_dir2_data_buf_ops;
+ curbp->b_ops = &xfs_dir3_data_buf_ops;
if (cmp == XFS_CMP_EXACT)
return XFS_ERROR(EEXIST);
}
state->extrablk.index = -1;
state->extrablk.blkno = curdb;
state->extrablk.magic = XFS_DIR2_DATA_MAGIC;
- curbp->b_ops = &xfs_dir2_data_buf_ops;
+ curbp->b_ops = &xfs_dir3_data_buf_ops;
} else {
/* If the curbp is not the CI match block, drop it */
if (state->extrablk.bp != curbp)
int needlog; /* need to log data header */
int needscan; /* need to rescan data frees */
xfs_trans_t *tp; /* transaction pointer */
+ struct xfs_dir2_data_free *bf; /* bestfree table */
trace_xfs_dir2_leafn_remove(args, index);
dbp = dblk->bp;
hdr = dbp->b_addr;
dep = (xfs_dir2_data_entry_t *)((char *)hdr + off);
- longest = be16_to_cpu(hdr->bestfree[0].length);
+ bf = xfs_dir3_data_bestfree_p(hdr);
+ longest = be16_to_cpu(bf[0].length);
needlog = needscan = 0;
xfs_dir2_data_make_free(tp, dbp, off,
xfs_dir2_data_entsize(dep->namelen), &needlog, &needscan);
xfs_dir2_data_freescan(mp, hdr, &needlog);
if (needlog)
xfs_dir2_data_log_header(tp, dbp);
- xfs_dir2_data_check(dp, dbp);
+ xfs_dir3_data_check(dp, dbp);
/*
* If the longest data block freespace changes, need to update
* the corresponding freeblock entry.
*/
- if (longest < be16_to_cpu(hdr->bestfree[0].length)) {
+ if (longest < be16_to_cpu(bf[0].length)) {
int error; /* error return value */
struct xfs_buf *fbp; /* freeblock buffer */
xfs_dir2_db_t fdb; /* freeblock block number */
* Calculate which entry we need to fix.
*/
findex = xfs_dir2_db_to_fdindex(mp, db);
- longest = be16_to_cpu(hdr->bestfree[0].length);
+ longest = be16_to_cpu(bf[0].length);
/*
* If the data block is now empty we can get rid of it
* (usually).
*/
- if (longest == mp->m_dirblksize - (uint)sizeof(*hdr)) {
+ if (longest == mp->m_dirblksize -
+ xfs_dir3_data_entry_offset(hdr)) {
/*
* Try to punch out the data block.
*/
xfs_trans_t *tp; /* transaction pointer */
__be16 *bests;
struct xfs_dir3_icfree_hdr freehdr;
+ struct xfs_dir2_data_free *bf;
dp = args->dp;
mp = dp->i_mount;
* change again.
*/
hdr = dbp->b_addr;
- bests[findex] = hdr->bestfree[0].length;
+ bf = xfs_dir3_data_bestfree_p(hdr);
+ bests[findex] = bf[0].length;
logfree = 1;
}
/*
/*
* Read the data block in.
*/
- error = xfs_dir2_data_read(tp, dp, xfs_dir2_db_to_da(mp, dbno),
+ error = xfs_dir3_data_read(tp, dp, xfs_dir2_db_to_da(mp, dbno),
-1, &dbp);
if (error)
return error;
hdr = dbp->b_addr;
+ bf = xfs_dir3_data_bestfree_p(hdr);
logfree = 0;
}
- ASSERT(be16_to_cpu(hdr->bestfree[0].length) >= length);
+ ASSERT(be16_to_cpu(bf[0].length) >= length);
/*
* Point to the existing unused space.
*/
dup = (xfs_dir2_data_unused_t *)
- ((char *)hdr + be16_to_cpu(hdr->bestfree[0].offset));
+ ((char *)hdr + be16_to_cpu(bf[0].offset));
needscan = needlog = 0;
/*
* Mark the first part of the unused space, inuse for us.
* If the freespace entry is now wrong, update it.
*/
bests = xfs_dir3_free_bests_p(mp, free); /* gcc is so stupid */
- if (be16_to_cpu(bests[findex]) != be16_to_cpu(hdr->bestfree[0].length)) {
- bests[findex] = hdr->bestfree[0].length;
+ if (be16_to_cpu(bests[findex]) != be16_to_cpu(bf[0].length)) {
+ bests[findex] = bf[0].length;
logfree = 1;
}
/*
* Point to the data entry.
*/
hdr = state->extrablk.bp->b_addr;
- ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC));
+ ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC) ||
+ hdr->magic == cpu_to_be32(XFS_DIR3_DATA_MAGIC));
dep = (xfs_dir2_data_entry_t *)
((char *)hdr +
xfs_dir2_dataptr_to_off(state->mp, be32_to_cpu(lep->address)));
/* xfs_dir2_data.c */
#ifdef DEBUG
-#define xfs_dir2_data_check(dp,bp) __xfs_dir2_data_check(dp, bp);
+#define xfs_dir3_data_check(dp,bp) __xfs_dir3_data_check(dp, bp);
#else
-#define xfs_dir2_data_check(dp,bp)
+#define xfs_dir3_data_check(dp,bp)
#endif
-extern const struct xfs_buf_ops xfs_dir2_data_buf_ops;
+extern const struct xfs_buf_ops xfs_dir3_data_buf_ops;
-extern int __xfs_dir2_data_check(struct xfs_inode *dp, struct xfs_buf *bp);
-extern int xfs_dir2_data_read(struct xfs_trans *tp, struct xfs_inode *dp,
+extern int __xfs_dir3_data_check(struct xfs_inode *dp, struct xfs_buf *bp);
+extern int xfs_dir3_data_read(struct xfs_trans *tp, struct xfs_inode *dp,
xfs_dablk_t bno, xfs_daddr_t mapped_bno, struct xfs_buf **bpp);
-extern int xfs_dir2_data_readahead(struct xfs_trans *tp, struct xfs_inode *dp,
+extern int xfs_dir3_data_readahead(struct xfs_trans *tp, struct xfs_inode *dp,
xfs_dablk_t bno, xfs_daddr_t mapped_bno);
extern struct xfs_dir2_data_free *
*/
mode = xfs_ilock_map_shared(ip);
if (ip->i_d.di_nextents > 0)
- xfs_dir2_data_readahead(NULL, ip, 0, -1);
+ xfs_dir3_data_readahead(NULL, ip, 0, -1);
xfs_iunlock(ip, mode);
return 0;
}
projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / commitdiff