forked from luck/tmp_suning_uos_patched
ocfs2/xattr: Remove extend_trans call and add its credits from the beginning
Actually, when setting a new xattr value, we know it from the very beginning, and it isn't like the extension of bucket in which case we can't figure it out. So remove ocfs2_extend_trans in that function and calculate it before the transaction. It also relieve acl operation from the worry about the side effect of ocfs2_extend_trans. Signed-off-by: Tao Ma <tao.ma@oracle.com> Signed-off-by: Mark Fasheh <mfasheh@suse.com>
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@ -1169,7 +1169,7 @@ static int __ocfs2_xattr_set_value_outside(struct inode *inode,
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const void *value,
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int value_len)
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{
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int ret = 0, i, cp_len, credits;
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int ret = 0, i, cp_len;
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u16 blocksize = inode->i_sb->s_blocksize;
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u32 p_cluster, num_clusters;
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u32 cpos = 0, bpc = ocfs2_clusters_to_blocks(inode->i_sb, 1);
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@ -1179,18 +1179,6 @@ static int __ocfs2_xattr_set_value_outside(struct inode *inode,
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BUG_ON(clusters > le32_to_cpu(xv->xr_clusters));
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/*
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* In __ocfs2_xattr_set_value_outside has already been dirtied,
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* so we don't need to worry about whether ocfs2_extend_trans
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* will create a new transactio for us or not.
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*/
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credits = clusters * bpc;
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ret = ocfs2_extend_trans(handle, credits);
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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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while (cpos < clusters) {
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ret = ocfs2_xattr_get_clusters(inode, cpos, &p_cluster,
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&num_clusters, &xv->xr_list);
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@ -2233,6 +2221,15 @@ static int ocfs2_calc_xattr_set_need(struct inode *inode,
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xi->value_len);
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u64 value_size;
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/*
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* Calculate the clusters we need to write.
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* No matter whether we replace an old one or add a new one,
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* we need this for writing.
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*/
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if (xi->value_len > OCFS2_XATTR_INLINE_SIZE)
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credits += new_clusters *
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ocfs2_clusters_to_blocks(inode->i_sb, 1);
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if (xis->not_found && xbs->not_found) {
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credits += ocfs2_blocks_per_xattr_bucket(inode->i_sb);
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