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>
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index ba23fef..c2522e4 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -112,6 +112,7 @@
int cur_inode_deleted;
u64 cur_inode_size;
u64 cur_inode_mode;
+ u64 cur_inode_rdev;
u64 cur_inode_last_extent;
u64 send_progress;
@@ -2439,10 +2440,16 @@
if (!p)
return -ENOMEM;
- ret = get_inode_info(sctx->send_root, ino, NULL, &gen, &mode, NULL,
- NULL, &rdev);
- if (ret < 0)
- goto out;
+ if (ino != sctx->cur_ino) {
+ ret = get_inode_info(sctx->send_root, ino, NULL, &gen, &mode,
+ NULL, NULL, &rdev);
+ if (ret < 0)
+ goto out;
+ } else {
+ gen = sctx->cur_inode_gen;
+ mode = sctx->cur_inode_mode;
+ rdev = sctx->cur_inode_rdev;
+ }
if (S_ISREG(mode)) {
cmd = BTRFS_SEND_C_MKFILE;
@@ -5027,6 +5034,8 @@
sctx->left_path->nodes[0], left_ii);
sctx->cur_inode_mode = btrfs_inode_mode(
sctx->left_path->nodes[0], left_ii);
+ sctx->cur_inode_rdev = btrfs_inode_rdev(
+ sctx->left_path->nodes[0], left_ii);
if (sctx->cur_ino != BTRFS_FIRST_FREE_OBJECTID)
ret = send_create_inode_if_needed(sctx);
} else if (result == BTRFS_COMPARE_TREE_DELETED) {
@@ -5071,6 +5080,8 @@
sctx->left_path->nodes[0], left_ii);
sctx->cur_inode_mode = btrfs_inode_mode(
sctx->left_path->nodes[0], left_ii);
+ sctx->cur_inode_rdev = btrfs_inode_rdev(
+ sctx->left_path->nodes[0], left_ii);
ret = send_create_inode_if_needed(sctx);
if (ret < 0)
goto out;