Btrfs: skip search tree for REG files
It is really unnecessary to search tree again for @gen, @mode and @rdev in the case of REG inodes' creation, as we've got btrfs_inode_item in sctx, and @gen, @mode and @rdev can easily be fetched. Signed-off-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: Josef Bacik <jbacik@fb.com>
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@ -112,6 +112,7 @@ struct send_ctx {
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int cur_inode_deleted;
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u64 cur_inode_size;
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u64 cur_inode_mode;
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u64 cur_inode_rdev;
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u64 cur_inode_last_extent;
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u64 send_progress;
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@ -2439,10 +2440,16 @@ verbose_printk("btrfs: send_create_inode %llu\n", ino);
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if (!p)
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return -ENOMEM;
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ret = get_inode_info(sctx->send_root, ino, NULL, &gen, &mode, NULL,
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NULL, &rdev);
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if (ret < 0)
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goto out;
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if (ino != sctx->cur_ino) {
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ret = get_inode_info(sctx->send_root, ino, NULL, &gen, &mode,
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NULL, NULL, &rdev);
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if (ret < 0)
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goto out;
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} else {
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gen = sctx->cur_inode_gen;
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mode = sctx->cur_inode_mode;
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rdev = sctx->cur_inode_rdev;
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}
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if (S_ISREG(mode)) {
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cmd = BTRFS_SEND_C_MKFILE;
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@ -5027,6 +5034,8 @@ static int changed_inode(struct send_ctx *sctx,
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sctx->left_path->nodes[0], left_ii);
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sctx->cur_inode_mode = btrfs_inode_mode(
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sctx->left_path->nodes[0], left_ii);
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sctx->cur_inode_rdev = btrfs_inode_rdev(
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sctx->left_path->nodes[0], left_ii);
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if (sctx->cur_ino != BTRFS_FIRST_FREE_OBJECTID)
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ret = send_create_inode_if_needed(sctx);
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} else if (result == BTRFS_COMPARE_TREE_DELETED) {
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@ -5071,6 +5080,8 @@ static int changed_inode(struct send_ctx *sctx,
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sctx->left_path->nodes[0], left_ii);
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sctx->cur_inode_mode = btrfs_inode_mode(
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sctx->left_path->nodes[0], left_ii);
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sctx->cur_inode_rdev = btrfs_inode_rdev(
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sctx->left_path->nodes[0], left_ii);
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ret = send_create_inode_if_needed(sctx);
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if (ret < 0)
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goto out;
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