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Diffstat (limited to 'fs/btrfs/tree-log.c')
-rw-r--r--fs/btrfs/tree-log.c71
1 files changed, 35 insertions, 36 deletions
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 6c8297bcfeb7..29b82a795522 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -8,6 +8,7 @@
#include <linux/blkdev.h>
#include <linux/list_sort.h>
#include <linux/iversion.h>
+#include "misc.h"
#include "ctree.h"
#include "tree-log.h"
#include "disk-io.h"
@@ -24,10 +25,12 @@
* LOG_INODE_EXISTS means to log just enough to recreate the inode
* during log replay
*/
-#define LOG_INODE_ALL 0
-#define LOG_INODE_EXISTS 1
-#define LOG_OTHER_INODE 2
-#define LOG_OTHER_INODE_ALL 3
+enum {
+ LOG_INODE_ALL,
+ LOG_INODE_EXISTS,
+ LOG_OTHER_INODE,
+ LOG_OTHER_INODE_ALL,
+};
/*
* directory trouble cases
@@ -81,10 +84,12 @@
* The last stage is to deal with directories and links and extents
* and all the other fun semantics
*/
-#define LOG_WALK_PIN_ONLY 0
-#define LOG_WALK_REPLAY_INODES 1
-#define LOG_WALK_REPLAY_DIR_INDEX 2
-#define LOG_WALK_REPLAY_ALL 3
+enum {
+ LOG_WALK_PIN_ONLY,
+ LOG_WALK_REPLAY_INODES,
+ LOG_WALK_REPLAY_DIR_INDEX,
+ LOG_WALK_REPLAY_ALL,
+};
static int btrfs_log_inode(struct btrfs_trans_handle *trans,
struct btrfs_root *root, struct btrfs_inode *inode,
@@ -188,10 +193,6 @@ static int join_running_log_trans(struct btrfs_root *root)
{
int ret = -ENOENT;
- smp_mb();
- if (!root->log_root)
- return -ENOENT;
-
mutex_lock(&root->log_mutex);
if (root->log_root) {
ret = 0;
@@ -505,7 +506,7 @@ insert:
ino_size != 0) {
struct btrfs_map_token token;
- btrfs_init_map_token(&token);
+ btrfs_init_map_token(&token, dst_eb);
btrfs_set_token_inode_size(dst_eb, dst_item,
ino_size, &token);
}
@@ -967,7 +968,7 @@ static noinline int backref_in_log(struct btrfs_root *log,
if (btrfs_find_name_in_ext_backref(path->nodes[0],
path->slots[0],
ref_objectid,
- name, namelen, NULL))
+ name, namelen))
match = 1;
goto out;
@@ -1266,12 +1267,12 @@ again:
goto out;
if (key->type == BTRFS_INODE_EXTREF_KEY)
- ret = btrfs_find_name_in_ext_backref(log_eb, log_slot,
- parent_id, name,
- namelen, NULL);
+ ret = !!btrfs_find_name_in_ext_backref(log_eb, log_slot,
+ parent_id, name,
+ namelen);
else
- ret = btrfs_find_name_in_backref(log_eb, log_slot, name,
- namelen, NULL);
+ ret = !!btrfs_find_name_in_backref(log_eb, log_slot,
+ name, namelen);
if (!ret) {
struct inode *dir;
@@ -1333,12 +1334,11 @@ static int btrfs_inode_ref_exists(struct inode *inode, struct inode *dir,
goto out;
}
if (key.type == BTRFS_INODE_EXTREF_KEY)
- ret = btrfs_find_name_in_ext_backref(path->nodes[0],
- path->slots[0], parent_id,
- name, namelen, NULL);
+ ret = !!btrfs_find_name_in_ext_backref(path->nodes[0],
+ path->slots[0], parent_id, name, namelen);
else
- ret = btrfs_find_name_in_backref(path->nodes[0], path->slots[0],
- name, namelen, NULL);
+ ret = !!btrfs_find_name_in_backref(path->nodes[0], path->slots[0],
+ name, namelen);
out:
btrfs_free_path(path);
@@ -3842,7 +3842,7 @@ static void fill_inode_item(struct btrfs_trans_handle *trans,
{
struct btrfs_map_token token;
- btrfs_init_map_token(&token);
+ btrfs_init_map_token(&token, leaf);
if (log_inode_only) {
/* set the generation to zero so the recover code
@@ -4302,8 +4302,6 @@ static int log_one_extent(struct btrfs_trans_handle *trans,
if (ret)
return ret;
- btrfs_init_map_token(&token);
-
ret = __btrfs_drop_extents(trans, log, &inode->vfs_inode, path, em->start,
em->start + em->len, NULL, 0, 1,
sizeof(*fi), &extent_inserted);
@@ -4321,6 +4319,7 @@ static int log_one_extent(struct btrfs_trans_handle *trans,
return ret;
}
leaf = path->nodes[0];
+ btrfs_init_map_token(&token, leaf);
fi = btrfs_item_ptr(leaf, path->slots[0],
struct btrfs_file_extent_item);
@@ -4985,7 +4984,7 @@ static int log_conflicting_inodes(struct btrfs_trans_handle *trans,
BTRFS_I(inode),
LOG_OTHER_INODE_ALL,
0, LLONG_MAX, ctx);
- iput(inode);
+ btrfs_add_delayed_iput(inode);
}
}
continue;
@@ -5000,7 +4999,7 @@ static int log_conflicting_inodes(struct btrfs_trans_handle *trans,
ret = btrfs_log_inode(trans, root, BTRFS_I(inode),
LOG_OTHER_INODE, 0, LLONG_MAX, ctx);
if (ret) {
- iput(inode);
+ btrfs_add_delayed_iput(inode);
continue;
}
@@ -5009,7 +5008,7 @@ static int log_conflicting_inodes(struct btrfs_trans_handle *trans,
key.offset = 0;
ret = btrfs_search_slot(NULL, root, &key, path, 0, 0);
if (ret < 0) {
- iput(inode);
+ btrfs_add_delayed_iput(inode);
continue;
}
@@ -5056,7 +5055,7 @@ static int log_conflicting_inodes(struct btrfs_trans_handle *trans,
}
path->slots[0]++;
}
- iput(inode);
+ btrfs_add_delayed_iput(inode);
}
return ret;
@@ -5689,7 +5688,7 @@ process_leaf:
}
if (btrfs_inode_in_log(BTRFS_I(di_inode), trans->transid)) {
- iput(di_inode);
+ btrfs_add_delayed_iput(di_inode);
break;
}
@@ -5701,7 +5700,7 @@ process_leaf:
if (!ret &&
btrfs_must_commit_transaction(trans, BTRFS_I(di_inode)))
ret = 1;
- iput(di_inode);
+ btrfs_add_delayed_iput(di_inode);
if (ret)
goto next_dir_inode;
if (ctx->log_new_dentries) {
@@ -5848,7 +5847,7 @@ static int btrfs_log_all_parents(struct btrfs_trans_handle *trans,
if (!ret && ctx && ctx->log_new_dentries)
ret = log_new_dir_dentries(trans, root,
BTRFS_I(dir_inode), ctx);
- iput(dir_inode);
+ btrfs_add_delayed_iput(dir_inode);
if (ret)
goto out;
}
@@ -5891,7 +5890,7 @@ static int log_new_ancestors(struct btrfs_trans_handle *trans,
ret = btrfs_log_inode(trans, root, BTRFS_I(inode),
LOG_INODE_EXISTS,
0, LLONG_MAX, ctx);
- iput(inode);
+ btrfs_add_delayed_iput(inode);
if (ret)
return ret;
@@ -6233,7 +6232,7 @@ int btrfs_recover_log_trees(struct btrfs_root *log_root_tree)
struct btrfs_fs_info *fs_info = log_root_tree->fs_info;
struct walk_control wc = {
.process_func = process_one_buffer,
- .stage = 0,
+ .stage = LOG_WALK_PIN_ONLY,
};
path = btrfs_alloc_path();
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-21 07:27:56 +0000