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btrfs: use btrfs_for_each_slot in process_all_refs

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This function can be simplified by refactoring to use the new iterator
macro.  No functional changes.

Signed-off-by: Marcos Paulo de Souza <mpdesouza@suse.com>
Signed-off-by: Gabriel Niebler <gniebler@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Gabriel Niebler 2022-03-09 14:50:46 +01:00 • committed by David Sterba
parent 35a68080ff
commit 649b96355d
1 changed files with 8 additions and 23 deletions
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31
fs/btrfs/send.c
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@ -4511,13 +4511,12 @@ out:
static int process_all_refs(struct send_ctx *sctx,
enum btrfs_compare_tree_result cmd)
{
int ret;
int ret = 0;
int iter_ret = 0;
struct btrfs_root *root;
struct btrfs_path *path;
struct btrfs_key key;
struct btrfs_key found_key;
struct extent_buffer *eb;
int slot;
iterate_inode_ref_t cb;
int pending_move = 0;
@ -4541,24 +4540,7 @@ static int process_all_refs(struct send_ctx *sctx,
key.objectid = sctx->cmp_key->objectid;
key.type = BTRFS_INODE_REF_KEY;
key.offset = 0;
ret = btrfs_search_slot(NULL, root, &key, path, 0, 0);
if (ret < 0)
goto out;
while (1) {
eb = path->nodes[0];
slot = path->slots[0];
if (slot >= btrfs_header_nritems(eb)) {
ret = btrfs_next_leaf(root, path);
if (ret < 0)
goto out;
else if (ret > 0)
break;
continue;
}
btrfs_item_key_to_cpu(eb, &found_key, slot);
btrfs_for_each_slot(root, &key, &found_key, path, iter_ret) {
if (found_key.objectid != key.objectid ||
(found_key.type != BTRFS_INODE_REF_KEY &&
found_key.type != BTRFS_INODE_EXTREF_KEY))
@ -4567,8 +4549,11 @@ static int process_all_refs(struct send_ctx *sctx,
ret = iterate_inode_ref(root, path, &found_key, 0, cb, sctx);
if (ret < 0)
goto out;
path->slots[0]++;
}
/* Catch error found during iteration */
if (iter_ret < 0) {
ret = iter_ret;
goto out;
}
btrfs_release_path(path);