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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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11
fs/xfs/xfs_da_btree.c
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@ -2079,16 +2079,13 @@ xfs_da_do_buf(
* For read_buf, check the magic number.
*/
if (caller == 1) {
xfs_dir2_data_t *data;
xfs_dir2_free_t *free;
xfs_da_blkinfo_t *info;
xfs_dir2_data_hdr_t *hdr = rbp->data;
xfs_dir2_free_t *free = rbp->data;
xfs_da_blkinfo_t *info = rbp->data;
uint magic, magic1;
info = rbp->data;
data = rbp->data;
free = rbp->data;
magic = be16_to_cpu(info->magic);
magic1 = be32_to_cpu(data->hdr.magic);
magic1 = be32_to_cpu(hdr->magic);
if (unlikely(
XFS_TEST_ERROR((magic != XFS_DA_NODE_MAGIC) &&
(magic != XFS_ATTR_LEAF_MAGIC) &&