int first, int last);
static void xfs_dir2_leaf_log_tail(struct xfs_trans *tp, struct xfs_buf *bp);
+static void
+xfs_dir2_leaf_verify(
+ struct xfs_buf *bp,
+ __be16 magic)
+{
+ struct xfs_mount *mp = bp->b_target->bt_mount;
+ struct xfs_dir2_leaf_hdr *hdr = bp->b_addr;
+ int block_ok = 0;
+
+ block_ok = hdr->info.magic == magic;
+ if (!block_ok) {
+ XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp, hdr);
+ xfs_buf_ioerror(bp, EFSCORRUPTED);
+ }
+
+ bp->b_iodone = NULL;
+ xfs_buf_ioend(bp, 0);
+}
+
+static void
+xfs_dir2_leaf1_verify(
+ struct xfs_buf *bp)
+{
+ xfs_dir2_leaf_verify(bp, cpu_to_be16(XFS_DIR2_LEAF1_MAGIC));
+}
+
+void
+xfs_dir2_leafn_verify(
+ struct xfs_buf *bp)
+{
+ xfs_dir2_leaf_verify(bp, cpu_to_be16(XFS_DIR2_LEAFN_MAGIC));
+}
+
+static int
+xfs_dir2_leaf_read(
+ struct xfs_trans *tp,
+ struct xfs_inode *dp,
+ xfs_dablk_t fbno,
+ xfs_daddr_t mappedbno,
+ struct xfs_buf **bpp)
+{
+ return xfs_da_read_buf(tp, dp, fbno, mappedbno, bpp,
+ XFS_DATA_FORK, xfs_dir2_leaf1_verify);
+}
+
+int
+xfs_dir2_leafn_read(
+ struct xfs_trans *tp,
+ struct xfs_inode *dp,
+ xfs_dablk_t fbno,
+ xfs_daddr_t mappedbno,
+ struct xfs_buf **bpp)
+{
+ return xfs_da_read_buf(tp, dp, fbno, mappedbno, bpp,
+ XFS_DATA_FORK, xfs_dir2_leafn_verify);
+}
/*
* Convert a block form directory to a leaf form directory.
dp = args->dp;
tp = args->trans;
mp = dp->i_mount;
- /*
- * Read the leaf block.
- */
- error = xfs_da_read_buf(tp, dp, mp->m_dirleafblk, -1, &lbp,
- XFS_DATA_FORK, NULL);
+
+ error = xfs_dir2_leaf_read(tp, dp, mp->m_dirleafblk, -1, &lbp);
if (error)
return error;
- ASSERT(lbp != NULL);
+
/*
* Look up the entry by hash value and name.
* We know it's not there, our caller has already done a lookup.
hdr = dbp->b_addr;
bestsp[use_block] = hdr->bestfree[0].length;
grown = 1;
- }
- /*
- * Already had space in some data block.
- * Just read that one in.
- */
- else {
- error = xfs_da_read_buf(tp, dp, xfs_dir2_db_to_da(mp, use_block),
- -1, &dbp, XFS_DATA_FORK, NULL);
+ } else {
+ /*
+ * Already had space in some data block.
+ * Just read that one in.
+ */
+ error = xfs_dir2_data_read(tp, dp,
+ xfs_dir2_db_to_da(mp, use_block),
+ -1, &dbp);
if (error) {
xfs_trans_brelse(tp, lbp);
return error;
hdr = dbp->b_addr;
grown = 0;
}
- xfs_dir2_data_check(dp, dbp);
/*
* Point to the biggest freespace in our data block.
*/
* Read the directory block starting at the first mapping.
*/
mip->curdb = xfs_dir2_da_to_db(mp, map->br_startoff);
- error = xfs_da_read_buf(NULL, dp, map->br_startoff,
+ error = xfs_dir2_data_read(NULL, dp, map->br_startoff,
map->br_blockcount >= mp->m_dirblkfsbs ?
- XFS_FSB_TO_DADDR(mp, map->br_startblock) : -1,
- &bp, XFS_DATA_FORK, NULL);
+ XFS_FSB_TO_DADDR(mp, map->br_startblock) : -1, &bp);
/*
* Should just skip over the data block instead of giving up.
*/
if (i > mip->ra_current &&
map[mip->ra_index].br_blockcount >= mp->m_dirblkfsbs) {
- xfs_buf_readahead(mp->m_ddev_targp,
+ xfs_dir2_data_readahead(NULL, dp,
+ map[mip->ra_index].br_startoff + mip->ra_offset,
XFS_FSB_TO_DADDR(mp,
map[mip->ra_index].br_startblock +
- mip->ra_offset),
- (int)BTOBB(mp->m_dirblksize), NULL);
+ mip->ra_offset));
mip->ra_current = i;
}
* use our mapping, but this is a very rare case.
*/
else if (i > mip->ra_current) {
- xfs_da_reada_buf(NULL, dp,
+ xfs_dir2_data_readahead(NULL, dp,
map[mip->ra_index].br_startoff +
- mip->ra_offset,
- XFS_DATA_FORK, NULL);
+ mip->ra_offset, -1);
mip->ra_current = i;
}
dp = args->dp;
tp = args->trans;
mp = dp->i_mount;
- /*
- * Read the leaf block into the buffer.
- */
- error = xfs_da_read_buf(tp, dp, mp->m_dirleafblk, -1, &lbp,
- XFS_DATA_FORK, NULL);
+
+ error = xfs_dir2_leaf_read(tp, dp, mp->m_dirleafblk, -1, &lbp);
if (error)
return error;
+
*lbpp = lbp;
leaf = lbp->b_addr;
xfs_dir2_leaf_check(dp, lbp);
if (newdb != curdb) {
if (dbp)
xfs_trans_brelse(tp, dbp);
- error = xfs_da_read_buf(tp, dp,
- xfs_dir2_db_to_da(mp, newdb),
- -1, &dbp, XFS_DATA_FORK, NULL);
+ error = xfs_dir2_data_read(tp, dp,
+ xfs_dir2_db_to_da(mp, newdb),
+ -1, &dbp);
if (error) {
xfs_trans_brelse(tp, lbp);
return error;
}
- xfs_dir2_data_check(dp, dbp);
curdb = newdb;
}
/*
ASSERT(cidb != -1);
if (cidb != curdb) {
xfs_trans_brelse(tp, dbp);
- error = xfs_da_read_buf(tp, dp,
- xfs_dir2_db_to_da(mp, cidb),
- -1, &dbp, XFS_DATA_FORK, NULL);
+ error = xfs_dir2_data_read(tp, dp,
+ xfs_dir2_db_to_da(mp, cidb),
+ -1, &dbp);
if (error) {
xfs_trans_brelse(tp, lbp);
return error;
/*
* Read the offending data block. We need its buffer.
*/
- error = xfs_da_read_buf(tp, dp, xfs_dir2_db_to_da(mp, db), -1, &dbp,
- XFS_DATA_FORK, NULL);
+ error = xfs_dir2_data_read(tp, dp, xfs_dir2_db_to_da(mp, db), -1, &dbp);
if (error)
return error;
/*
* Read the freespace block.
*/
- error = xfs_da_read_buf(tp, dp, mp->m_dirfreeblk, -1, &fbp,
- XFS_DATA_FORK, NULL);
+ error = xfs_dir2_free_read(tp, dp, mp->m_dirfreeblk, &fbp);
if (error)
return error;
free = fbp->b_addr;
projects / karo-tx-linux.git / blobdiff