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ocfs2: Field prefixes for the xattr_bucket structure
The ocfs2_xattr_bucket structure keeps track of the buffers for one xattr bucket. Let's prefix the fields for easier code navigation. Signed-off-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
This commit is contained in:
parent
fe0bdec68b
commit
4ac6032d6c
1 changed files with 50 additions and 50 deletions
100
fs/ocfs2/xattr.c
100
fs/ocfs2/xattr.c
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@ -61,8 +61,8 @@ struct ocfs2_xattr_def_value_root {
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};
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struct ocfs2_xattr_bucket {
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struct buffer_head *bhs[OCFS2_XATTR_MAX_BLOCKS_PER_BUCKET];
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struct ocfs2_xattr_header *xh;
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struct buffer_head *bu_bhs[OCFS2_XATTR_MAX_BLOCKS_PER_BUCKET];
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struct ocfs2_xattr_header *bu_xh;
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};
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#define OCFS2_XATTR_ROOT_SIZE (sizeof(struct ocfs2_xattr_def_value_root))
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@ -795,11 +795,11 @@ static int ocfs2_xattr_block_get(struct inode *inode,
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if (le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED) {
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ret = ocfs2_xattr_bucket_get_name_value(inode,
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xs->bucket.xh,
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xs->bucket.bu_xh,
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i,
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&block_off,
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&name_offset);
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xs->base = xs->bucket.bhs[block_off]->b_data;
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xs->base = xs->bucket.bu_bhs[block_off]->b_data;
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}
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if (ocfs2_xattr_is_local(xs->here)) {
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memcpy(buffer, (void *)xs->base +
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@ -818,7 +818,7 @@ static int ocfs2_xattr_block_get(struct inode *inode,
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ret = size;
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cleanup:
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for (i = 0; i < OCFS2_XATTR_MAX_BLOCKS_PER_BUCKET; i++)
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brelse(xs->bucket.bhs[i]);
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brelse(xs->bucket.bu_bhs[i]);
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memset(&xs->bucket, 0, sizeof(xs->bucket));
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brelse(xs->xattr_bh);
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@ -2032,7 +2032,7 @@ int ocfs2_xattr_set(struct inode *inode,
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brelse(di_bh);
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brelse(xbs.xattr_bh);
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for (i = 0; i < blk_per_bucket; i++)
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brelse(xbs.bucket.bhs[i]);
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brelse(xbs.bucket.bu_bhs[i]);
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return ret;
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}
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@ -2276,13 +2276,13 @@ static int ocfs2_xattr_bucket_find(struct inode *inode,
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lower_bh = bh;
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bh = NULL;
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}
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xs->bucket.bhs[0] = lower_bh;
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xs->bucket.xh = (struct ocfs2_xattr_header *)
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xs->bucket.bhs[0]->b_data;
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xs->bucket.bu_bhs[0] = lower_bh;
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xs->bucket.bu_xh = (struct ocfs2_xattr_header *)
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xs->bucket.bu_bhs[0]->b_data;
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lower_bh = NULL;
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xs->header = xs->bucket.xh;
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xs->base = xs->bucket.bhs[0]->b_data;
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xs->header = xs->bucket.bu_xh;
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xs->base = xs->bucket.bu_bhs[0]->b_data;
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xs->end = xs->base + inode->i_sb->s_blocksize;
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if (found) {
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@ -2290,8 +2290,8 @@ static int ocfs2_xattr_bucket_find(struct inode *inode,
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* If we have found the xattr enty, read all the blocks in
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* this bucket.
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*/
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ret = ocfs2_read_blocks(inode, xs->bucket.bhs[0]->b_blocknr + 1,
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blk_per_bucket - 1, &xs->bucket.bhs[1],
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ret = ocfs2_read_blocks(inode, xs->bucket.bu_bhs[0]->b_blocknr + 1,
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blk_per_bucket - 1, &xs->bucket.bu_bhs[1],
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0);
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if (ret) {
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mlog_errno(ret);
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@ -2300,7 +2300,7 @@ static int ocfs2_xattr_bucket_find(struct inode *inode,
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xs->here = &xs->header->xh_entries[index];
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mlog(0, "find xattr %s in bucket %llu, entry = %u\n", name,
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(unsigned long long)xs->bucket.bhs[0]->b_blocknr, index);
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(unsigned long long)xs->bucket.bu_bhs[0]->b_blocknr, index);
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} else
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ret = -ENODATA;
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@ -2370,23 +2370,23 @@ static int ocfs2_iterate_xattr_buckets(struct inode *inode,
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for (i = 0; i < num_buckets; i++, blkno += blk_per_bucket) {
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ret = ocfs2_read_blocks(inode, blkno, blk_per_bucket,
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bucket.bhs, 0);
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bucket.bu_bhs, 0);
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if (ret) {
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mlog_errno(ret);
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goto out;
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}
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bucket.xh = (struct ocfs2_xattr_header *)bucket.bhs[0]->b_data;
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bucket.bu_xh = (struct ocfs2_xattr_header *)bucket.bu_bhs[0]->b_data;
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/*
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* The real bucket num in this series of blocks is stored
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* in the 1st bucket.
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*/
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if (i == 0)
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num_buckets = le16_to_cpu(bucket.xh->xh_num_buckets);
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num_buckets = le16_to_cpu(bucket.bu_xh->xh_num_buckets);
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mlog(0, "iterating xattr bucket %llu, first hash %u\n",
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(unsigned long long)blkno,
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le32_to_cpu(bucket.xh->xh_entries[0].xe_name_hash));
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le32_to_cpu(bucket.bu_xh->xh_entries[0].xe_name_hash));
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if (func) {
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ret = func(inode, &bucket, para);
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if (ret) {
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@ -2396,13 +2396,13 @@ static int ocfs2_iterate_xattr_buckets(struct inode *inode,
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}
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for (j = 0; j < blk_per_bucket; j++)
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brelse(bucket.bhs[j]);
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brelse(bucket.bu_bhs[j]);
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memset(&bucket, 0, sizeof(bucket));
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}
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out:
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for (j = 0; j < blk_per_bucket; j++)
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brelse(bucket.bhs[j]);
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brelse(bucket.bu_bhs[j]);
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return ret;
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}
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@ -2441,21 +2441,21 @@ static int ocfs2_list_xattr_bucket(struct inode *inode,
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int i, block_off, new_offset;
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const char *prefix, *name;
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for (i = 0 ; i < le16_to_cpu(bucket->xh->xh_count); i++) {
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struct ocfs2_xattr_entry *entry = &bucket->xh->xh_entries[i];
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for (i = 0 ; i < le16_to_cpu(bucket->bu_xh->xh_count); i++) {
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struct ocfs2_xattr_entry *entry = &bucket->bu_xh->xh_entries[i];
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type = ocfs2_xattr_get_type(entry);
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prefix = ocfs2_xattr_prefix(type);
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if (prefix) {
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ret = ocfs2_xattr_bucket_get_name_value(inode,
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bucket->xh,
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bucket->bu_xh,
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i,
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&block_off,
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&new_offset);
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if (ret)
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break;
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name = (const char *)bucket->bhs[block_off]->b_data +
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name = (const char *)bucket->bu_bhs[block_off]->b_data +
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new_offset;
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ret = ocfs2_xattr_list_entry(xl->buffer,
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xl->buffer_size,
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@ -2626,10 +2626,10 @@ static int ocfs2_xattr_update_xattr_search(struct inode *inode,
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int i, blocksize = inode->i_sb->s_blocksize;
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u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
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xs->bucket.bhs[0] = new_bh;
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xs->bucket.bu_bhs[0] = new_bh;
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get_bh(new_bh);
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xs->bucket.xh = (struct ocfs2_xattr_header *)xs->bucket.bhs[0]->b_data;
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xs->header = xs->bucket.xh;
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xs->bucket.bu_xh = (struct ocfs2_xattr_header *)xs->bucket.bu_bhs[0]->b_data;
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xs->header = xs->bucket.bu_xh;
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xs->base = new_bh->b_data;
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xs->end = xs->base + inode->i_sb->s_blocksize;
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@ -2637,8 +2637,8 @@ static int ocfs2_xattr_update_xattr_search(struct inode *inode,
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if (!xs->not_found) {
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if (OCFS2_XATTR_BUCKET_SIZE != blocksize) {
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ret = ocfs2_read_blocks(inode,
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xs->bucket.bhs[0]->b_blocknr + 1,
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blk_per_bucket - 1, &xs->bucket.bhs[1],
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xs->bucket.bu_bhs[0]->b_blocknr + 1,
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blk_per_bucket - 1, &xs->bucket.bu_bhs[1],
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0);
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if (ret) {
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mlog_errno(ret);
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@ -2835,7 +2835,7 @@ static int ocfs2_defrag_xattr_bucket(struct inode *inode,
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size_t end, offset, len, value_len;
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struct ocfs2_xattr_header *xh;
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char *entries, *buf, *bucket_buf = NULL;
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u64 blkno = bucket->bhs[0]->b_blocknr;
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u64 blkno = bucket->bu_bhs[0]->b_blocknr;
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u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
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u16 xh_free_start;
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size_t blocksize = inode->i_sb->s_blocksize;
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@ -3929,7 +3929,7 @@ static inline char *ocfs2_xattr_bucket_get_val(struct inode *inode,
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int block_off = offs >> inode->i_sb->s_blocksize_bits;
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offs = offs % inode->i_sb->s_blocksize;
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return bucket->bhs[block_off]->b_data + offs;
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return bucket->bu_bhs[block_off]->b_data + offs;
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}
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/*
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mlog(0, "Set xattr entry len = %lu index = %d in bucket %llu\n",
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(unsigned long)xi->value_len, xi->name_index,
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(unsigned long long)xs->bucket.bhs[0]->b_blocknr);
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(unsigned long long)xs->bucket.bu_bhs[0]->b_blocknr);
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if (!xs->bucket.bhs[1]) {
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if (!xs->bucket.bu_bhs[1]) {
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ret = ocfs2_read_blocks(inode,
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xs->bucket.bhs[0]->b_blocknr + 1,
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blk_per_bucket - 1, &xs->bucket.bhs[1],
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xs->bucket.bu_bhs[0]->b_blocknr + 1,
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blk_per_bucket - 1, &xs->bucket.bu_bhs[1],
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0);
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if (ret) {
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mlog_errno(ret);
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@ -4146,7 +4146,7 @@ static int ocfs2_xattr_set_entry_in_bucket(struct inode *inode,
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}
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for (i = 0; i < blk_per_bucket; i++) {
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ret = ocfs2_journal_access(handle, inode, xs->bucket.bhs[i],
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ret = ocfs2_journal_access(handle, inode, xs->bucket.bu_bhs[i],
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OCFS2_JOURNAL_ACCESS_WRITE);
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if (ret < 0) {
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mlog_errno(ret);
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@ -4158,7 +4158,7 @@ static int ocfs2_xattr_set_entry_in_bucket(struct inode *inode,
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/*Only dirty the blocks we have touched in set xattr. */
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ret = ocfs2_xattr_bucket_handle_journal(inode, handle, xs,
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xs->bucket.bhs, blk_per_bucket);
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xs->bucket.bu_bhs, blk_per_bucket);
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if (ret)
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mlog_errno(ret);
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out:
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@ -4272,10 +4272,10 @@ static int ocfs2_xattr_bucket_value_truncate_xs(struct inode *inode,
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struct ocfs2_xattr_entry *xe = xs->here;
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struct ocfs2_xattr_header *xh = (struct ocfs2_xattr_header *)xs->base;
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BUG_ON(!xs->bucket.bhs[0] || !xe || ocfs2_xattr_is_local(xe));
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BUG_ON(!xs->bucket.bu_bhs[0] || !xe || ocfs2_xattr_is_local(xe));
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offset = xe - xh->xh_entries;
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ret = ocfs2_xattr_bucket_value_truncate(inode, xs->bucket.bhs[0],
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ret = ocfs2_xattr_bucket_value_truncate(inode, xs->bucket.bu_bhs[0],
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offset, len);
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if (ret)
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mlog_errno(ret);
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@ -4395,7 +4395,7 @@ static void ocfs2_xattr_bucket_remove_xs(struct inode *inode,
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struct ocfs2_xattr_search *xs)
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{
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handle_t *handle = NULL;
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struct ocfs2_xattr_header *xh = xs->bucket.xh;
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struct ocfs2_xattr_header *xh = xs->bucket.bu_xh;
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struct ocfs2_xattr_entry *last = &xh->xh_entries[
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le16_to_cpu(xh->xh_count) - 1];
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int ret = 0;
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@ -4407,7 +4407,7 @@ static void ocfs2_xattr_bucket_remove_xs(struct inode *inode,
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return;
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}
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ret = ocfs2_journal_access(handle, inode, xs->bucket.bhs[0],
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ret = ocfs2_journal_access(handle, inode, xs->bucket.bu_bhs[0],
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OCFS2_JOURNAL_ACCESS_WRITE);
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if (ret) {
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mlog_errno(ret);
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@ -4420,7 +4420,7 @@ static void ocfs2_xattr_bucket_remove_xs(struct inode *inode,
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memset(last, 0, sizeof(struct ocfs2_xattr_entry));
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le16_add_cpu(&xh->xh_count, -1);
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ret = ocfs2_journal_dirty(handle, xs->bucket.bhs[0]);
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ret = ocfs2_journal_dirty(handle, xs->bucket.bu_bhs[0]);
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if (ret < 0)
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mlog_errno(ret);
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out_commit:
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@ -4530,7 +4530,7 @@ static int ocfs2_check_xattr_bucket_collision(struct inode *inode,
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struct ocfs2_xattr_bucket *bucket,
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const char *name)
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{
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struct ocfs2_xattr_header *xh = bucket->xh;
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struct ocfs2_xattr_header *xh = bucket->bu_xh;
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u32 name_hash = ocfs2_xattr_name_hash(inode, name, strlen(name));
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if (name_hash != le32_to_cpu(xh->xh_entries[0].xe_name_hash))
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@ -4540,7 +4540,7 @@ static int ocfs2_check_xattr_bucket_collision(struct inode *inode,
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xh->xh_entries[0].xe_name_hash) {
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mlog(ML_ERROR, "Too much hash collision in xattr bucket %llu, "
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"hash = %u\n",
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(unsigned long long)bucket->bhs[0]->b_blocknr,
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(unsigned long long)bucket->bu_bhs[0]->b_blocknr,
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le32_to_cpu(xh->xh_entries[0].xe_name_hash));
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return -ENOSPC;
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}
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@ -4574,7 +4574,7 @@ static int ocfs2_xattr_set_entry_index_block(struct inode *inode,
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mlog_bug_on_msg(header_size > blocksize, "bucket %llu has header size "
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"of %u which exceed block size\n",
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(unsigned long long)xs->bucket.bhs[0]->b_blocknr,
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(unsigned long long)xs->bucket.bu_bhs[0]->b_blocknr,
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header_size);
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if (xi->value && xi->value_len > OCFS2_XATTR_INLINE_SIZE)
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@ -4614,7 +4614,7 @@ static int ocfs2_xattr_set_entry_index_block(struct inode *inode,
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mlog(0, "xs->not_found = %d, in xattr bucket %llu: free = %d, "
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"need = %d, max_free = %d, xh_free_start = %u, xh_name_value_len ="
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" %u\n", xs->not_found,
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(unsigned long long)xs->bucket.bhs[0]->b_blocknr,
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(unsigned long long)xs->bucket.bu_bhs[0]->b_blocknr,
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free, need, max_free, le16_to_cpu(xh->xh_free_start),
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le16_to_cpu(xh->xh_name_value_len));
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@ -4667,14 +4667,14 @@ static int ocfs2_xattr_set_entry_index_block(struct inode *inode,
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ret = ocfs2_add_new_xattr_bucket(inode,
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xs->xattr_bh,
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xs->bucket.bhs[0]);
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xs->bucket.bu_bhs[0]);
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if (ret) {
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mlog_errno(ret);
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goto out;
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}
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for (i = 0; i < blk_per_bucket; i++)
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brelse(xs->bucket.bhs[i]);
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brelse(xs->bucket.bu_bhs[i]);
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memset(&xs->bucket, 0, sizeof(xs->bucket));
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@ -4700,7 +4700,7 @@ static int ocfs2_delete_xattr_in_bucket(struct inode *inode,
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void *para)
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{
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int ret = 0;
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struct ocfs2_xattr_header *xh = bucket->xh;
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struct ocfs2_xattr_header *xh = bucket->bu_xh;
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u16 i;
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struct ocfs2_xattr_entry *xe;
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@ -4710,7 +4710,7 @@ static int ocfs2_delete_xattr_in_bucket(struct inode *inode,
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continue;
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ret = ocfs2_xattr_bucket_value_truncate(inode,
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bucket->bhs[0],
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bucket->bu_bhs[0],
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i, 0);
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if (ret) {
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mlog_errno(ret);
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