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xfs: avoid usage of struct xfs_dir2_data

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In most places we can simply pass around and use the struct xfs_dir2_data_hdr,
which is the first and most important member of struct xfs_dir2_data instead
of the full structure.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Alex Elder <aelder@sgi.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
This commit is contained in:
Christoph Hellwig 2011-07-08 14:35:38 +02:00
parent a64b041797
commit c2066e2662
6 changed files with 236 additions and 231 deletions
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14
fs/xfs/xfs_dir2_block.c
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@ -282,7 +282,7 @@ xfs_dir2_block_addname(
* This needs to happen before the next call to use_free.
*/
if (needscan) {
xfs_dir2_data_freescan(mp, (xfs_dir2_data_t *)hdr, &needlog);
xfs_dir2_data_freescan(mp, hdr, &needlog);
needscan = 0;
}
}
@ -331,8 +331,7 @@ xfs_dir2_block_addname(
* This needs to happen before the next call to use_free.
*/
if (needscan) {
xfs_dir2_data_freescan(mp, (xfs_dir2_data_t *)hdr,
&needlog);
xfs_dir2_data_freescan(mp, hdr, &needlog);
needscan = 0;
}
/*
@ -417,7 +416,7 @@ xfs_dir2_block_addname(
* Clean up the bestfree array and log the header, tail, and entry.
*/
if (needscan)
xfs_dir2_data_freescan(mp, (xfs_dir2_data_t *)hdr, &needlog);
xfs_dir2_data_freescan(mp, hdr, &needlog);
if (needlog)
xfs_dir2_data_log_header(tp, bp);
xfs_dir2_block_log_tail(tp, bp);
@ -783,7 +782,7 @@ xfs_dir2_block_removename(
* Fix up bestfree, log the header if necessary.
*/
if (needscan)
xfs_dir2_data_freescan(mp, (xfs_dir2_data_t *)hdr, &needlog);
xfs_dir2_data_freescan(mp, hdr, &needlog);
if (needlog)
xfs_dir2_data_log_header(tp, bp);
xfs_dir2_data_check(dp, bp);
@ -982,7 +981,7 @@ xfs_dir2_leaf_to_block(
* Scan the bestfree if we need it and log the data block header.
*/
if (needscan)
xfs_dir2_data_freescan(mp, (xfs_dir2_data_t *)hdr, &needlog);
xfs_dir2_data_freescan(mp, hdr, &needlog);
if (needlog)
xfs_dir2_data_log_header(tp, dbp);
/*
@ -1177,8 +1176,7 @@ xfs_dir2_sf_to_block(
*xfs_dir2_data_unused_tag_p(dup) = cpu_to_be16(
((char *)dup - (char *)hdr));
xfs_dir2_data_log_unused(tp, bp, dup);
(void)xfs_dir2_data_freeinsert((xfs_dir2_data_t *)hdr,
dup, &dummy);
xfs_dir2_data_freeinsert(hdr, dup, &dummy);
offset += be16_to_cpu(dup->length);
continue;
}