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btrfs: rename btrfs_std_error to btrfs_handle_fs_error

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btrfs_std_error() handles errors, puts FS into readonly mode
(as of now). So its good idea to rename it to btrfs_handle_fs_error().

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
[ edit changelog ]
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Anand Jain 2016-03-16 16:43:06 +08:00 committed by David Sterba
parent 02da2d7217
commit 34d9700702
12 changed files with 31 additions and 31 deletions
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6
fs/btrfs/ctree.c
View File

@ -1011,7 +1011,7 @@ static noinline int update_ref_for_cow(struct btrfs_trans_handle *trans,
return ret;
if (refs == 0) {
ret = -EROFS;
btrfs_std_error(root->fs_info, ret, NULL);
btrfs_handle_fs_error(root->fs_info, ret, NULL);
return ret;
}
} else {
@ -1928,7 +1928,7 @@ static noinline int balance_level(struct btrfs_trans_handle *trans,
child = read_node_slot(root, mid, 0);
if (!child) {
ret = -EROFS;
btrfs_std_error(root->fs_info, ret, NULL);
btrfs_handle_fs_error(root->fs_info, ret, NULL);
goto enospc;
}
@ -2031,7 +2031,7 @@ static noinline int balance_level(struct btrfs_trans_handle *trans,
*/
if (!left) {
ret = -EROFS;
btrfs_std_error(root->fs_info, ret, NULL);
btrfs_handle_fs_error(root->fs_info, ret, NULL);
goto enospc;
}
wret = balance_node_right(trans, root, mid, left);

6
fs/btrfs/ctree.h
View File

@ -4329,7 +4329,7 @@ static inline void assfail(char *expr, char *file, int line)
#define btrfs_assert()
__printf(5, 6)
__cold
void __btrfs_std_error(struct btrfs_fs_info *fs_info, const char *function,
void __btrfs_handle_fs_error(struct btrfs_fs_info *fs_info, const char *function,
unsigned int line, int errno, const char *fmt, ...);
const char *btrfs_decode_error(int errno);
@ -4472,9 +4472,9 @@ do { \
__LINE__, (errno)); \
} while (0)
#define btrfs_std_error(fs_info, errno, fmt, args...) \
#define btrfs_handle_fs_error(fs_info, errno, fmt, args...) \
do { \
__btrfs_std_error((fs_info), __func__, __LINE__, \
__btrfs_handle_fs_error((fs_info), __func__, __LINE__, \
(errno), fmt, ##args); \
} while (0)

8
fs/btrfs/disk-io.c
View File

@ -2417,7 +2417,7 @@ static int btrfs_replay_log(struct btrfs_fs_info *fs_info,
/* returns with log_tree_root freed on success */
ret = btrfs_recover_log_trees(log_tree_root);
if (ret) {
btrfs_std_error(tree_root->fs_info, ret,
btrfs_handle_fs_error(tree_root->fs_info, ret,
"Failed to recover log tree");
free_extent_buffer(log_tree_root->node);
kfree(log_tree_root);
@ -3646,7 +3646,7 @@ static int write_all_supers(struct btrfs_root *root, int max_mirrors)
if (ret) {
mutex_unlock(
&root->fs_info->fs_devices->device_list_mutex);
btrfs_std_error(root->fs_info, ret,
btrfs_handle_fs_error(root->fs_info, ret,
"errors while submitting device barriers.");
return ret;
}
@ -3686,7 +3686,7 @@ static int write_all_supers(struct btrfs_root *root, int max_mirrors)
mutex_unlock(&root->fs_info->fs_devices->device_list_mutex);
/* FUA is masked off if unsupported and can't be the reason */
btrfs_std_error(root->fs_info, -EIO,
btrfs_handle_fs_error(root->fs_info, -EIO,
"%d errors while writing supers", total_errors);
return -EIO;
}
@ -3704,7 +3704,7 @@ static int write_all_supers(struct btrfs_root *root, int max_mirrors)
}
mutex_unlock(&root->fs_info->fs_devices->device_list_mutex);
if (total_errors > max_errors) {
btrfs_std_error(root->fs_info, -EIO,
btrfs_handle_fs_error(root->fs_info, -EIO,
"%d errors while writing supers", total_errors);
return -EIO;
}

2
fs/btrfs/extent-tree.c
View File

@ -9058,7 +9058,7 @@ out:
if (!for_reloc && root_dropped == false)
btrfs_add_dead_root(root);
if (err && err != -EAGAIN)
btrfs_std_error(root->fs_info, err, NULL);
btrfs_handle_fs_error(root->fs_info, err, NULL);
return err;
}

2
fs/btrfs/inode-item.c
View File

@ -157,7 +157,7 @@ static int btrfs_del_inode_extref(struct btrfs_trans_handle *trans,
*/
if (!btrfs_find_name_in_ext_backref(path, ref_objectid,
name, name_len, &extref)) {
btrfs_std_error(root->fs_info, -ENOENT, NULL);
btrfs_handle_fs_error(root->fs_info, -ENOENT, NULL);
ret = -EROFS;
goto out;
}

2
fs/btrfs/ioctl.c
View File

@ -4847,7 +4847,7 @@ static long btrfs_ioctl_qgroup_assign(struct file *file, void __user *arg)
/* update qgroup status and info */
err = btrfs_run_qgroups(trans, root->fs_info);
if (err < 0)
btrfs_std_error(root->fs_info, ret,
btrfs_handle_fs_error(root->fs_info, ret,
"failed to update qgroup status and info\n");
err = btrfs_end_transaction(trans, root);
if (err && !ret)

2
fs/btrfs/relocation.c
View File

@ -2418,7 +2418,7 @@ again:
}
out:
if (ret) {
btrfs_std_error(root->fs_info, ret, NULL);
btrfs_handle_fs_error(root->fs_info, ret, NULL);
if (!list_empty(&reloc_roots))
free_reloc_roots(&reloc_roots);

4
fs/btrfs/root-tree.c
View File

@ -284,7 +284,7 @@ int btrfs_find_orphan_roots(struct btrfs_root *tree_root)
trans = btrfs_join_transaction(tree_root);
if (IS_ERR(trans)) {
err = PTR_ERR(trans);
btrfs_std_error(tree_root->fs_info, err,
btrfs_handle_fs_error(tree_root->fs_info, err,
"Failed to start trans to delete "
"orphan item");
break;
@ -293,7 +293,7 @@ int btrfs_find_orphan_roots(struct btrfs_root *tree_root)
root_key.objectid);
btrfs_end_transaction(trans, tree_root);
if (err) {
btrfs_std_error(tree_root->fs_info, err,
btrfs_handle_fs_error(tree_root->fs_info, err,
"Failed to delete root orphan "
"item");
break;

6
fs/btrfs/super.c
View File

@ -131,11 +131,11 @@ static void btrfs_handle_error(struct btrfs_fs_info *fs_info)
}
/*
* __btrfs_std_error decodes expected errors from the caller and
* __btrfs_handle_fs_error decodes expected errors from the caller and
* invokes the approciate error response.
*/
__cold
void __btrfs_std_error(struct btrfs_fs_info *fs_info, const char *function,
void __btrfs_handle_fs_error(struct btrfs_fs_info *fs_info, const char *function,
unsigned int line, int errno, const char *fmt, ...)
{
struct super_block *sb = fs_info->sb;
@ -252,7 +252,7 @@ void __btrfs_abort_transaction(struct btrfs_trans_handle *trans,
/* Wake up anybody who may be waiting on this transaction */
wake_up(&root->fs_info->transaction_wait);
wake_up(&root->fs_info->transaction_blocked_wait);
__btrfs_std_error(root->fs_info, function, line, errno, NULL);
__btrfs_handle_fs_error(root->fs_info, function, line, errno, NULL);
}
/*
* __btrfs_panic decodes unexpected, fatal errors from the caller,

2
fs/btrfs/transaction.c
View File

@ -2145,7 +2145,7 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
ret = btrfs_write_and_wait_transaction(trans, root);
if (ret) {
btrfs_std_error(root->fs_info, ret,
btrfs_handle_fs_error(root->fs_info, ret,
"Error while writing out transaction");
mutex_unlock(&root->fs_info->tree_log_mutex);
goto scrub_continue;

8
fs/btrfs/tree-log.c
View File

@ -5519,7 +5519,7 @@ int btrfs_recover_log_trees(struct btrfs_root *log_root_tree)
ret = walk_log_tree(trans, log_root_tree, &wc);
if (ret) {
btrfs_std_error(fs_info, ret, "Failed to pin buffers while "
btrfs_handle_fs_error(fs_info, ret, "Failed to pin buffers while "
"recovering log root tree.");
goto error;
}
@ -5533,7 +5533,7 @@ again:
ret = btrfs_search_slot(NULL, log_root_tree, &key, path, 0, 0);
if (ret < 0) {
btrfs_std_error(fs_info, ret,
btrfs_handle_fs_error(fs_info, ret,
"Couldn't find tree log root.");
goto error;
}
@ -5551,7 +5551,7 @@ again:
log = btrfs_read_fs_root(log_root_tree, &found_key);
if (IS_ERR(log)) {
ret = PTR_ERR(log);
btrfs_std_error(fs_info, ret,
btrfs_handle_fs_error(fs_info, ret,
"Couldn't read tree log root.");
goto error;
}
@ -5566,7 +5566,7 @@ again:
free_extent_buffer(log->node);
free_extent_buffer(log->commit_root);
kfree(log);
btrfs_std_error(fs_info, ret, "Couldn't read target root "
btrfs_handle_fs_error(fs_info, ret, "Couldn't read target root "
"for tree log recovery.");
goto error;
}

14
fs/btrfs/volumes.c
View File

@ -1454,7 +1454,7 @@ again:
extent = btrfs_item_ptr(leaf, path->slots[0],
struct btrfs_dev_extent);
} else {
btrfs_std_error(root->fs_info, ret, "Slot search failed");
btrfs_handle_fs_error(root->fs_info, ret, "Slot search failed");
goto out;
}
@ -1462,7 +1462,7 @@ again:
ret = btrfs_del_item(trans, root, path);
if (ret) {
btrfs_std_error(root->fs_info, ret,
btrfs_handle_fs_error(root->fs_info, ret,
"Failed to remove dev extent item");
} else {
set_bit(BTRFS_TRANS_HAVE_FREE_BGS, &trans->transaction->flags);
@ -2418,7 +2418,7 @@ int btrfs_init_new_device(struct btrfs_root *root, char *device_path)
ret = btrfs_relocate_sys_chunks(root);
if (ret < 0)
btrfs_std_error(root->fs_info, ret,
btrfs_handle_fs_error(root->fs_info, ret,
"Failed to relocate sys chunks after "
"device initialization. This can be fixed "
"using the \"btrfs balance\" command.");
@ -2663,7 +2663,7 @@ static int btrfs_free_chunk(struct btrfs_trans_handle *trans,
if (ret < 0)
goto out;
else if (ret > 0) { /* Logic error or corruption */
btrfs_std_error(root->fs_info, -ENOENT,
btrfs_handle_fs_error(root->fs_info, -ENOENT,
"Failed lookup while freeing chunk.");
ret = -ENOENT;
goto out;
@ -2671,7 +2671,7 @@ static int btrfs_free_chunk(struct btrfs_trans_handle *trans,
ret = btrfs_del_item(trans, root, path);
if (ret < 0)
btrfs_std_error(root->fs_info, ret,
btrfs_handle_fs_error(root->fs_info, ret,
"Failed to delete chunk item.");
out:
btrfs_free_path(path);
@ -2857,7 +2857,7 @@ static int btrfs_relocate_chunk(struct btrfs_root *root, u64 chunk_offset)
chunk_offset);
if (IS_ERR(trans)) {
ret = PTR_ERR(trans);
btrfs_std_error(root->fs_info, ret, NULL);
btrfs_handle_fs_error(root->fs_info, ret, NULL);
return ret;
}
@ -3632,7 +3632,7 @@ static void __cancel_balance(struct btrfs_fs_info *fs_info)
unset_balance_control(fs_info);
ret = del_balance_item(fs_info->tree_root);
if (ret)
btrfs_std_error(fs_info, ret, NULL);
btrfs_handle_fs_error(fs_info, ret, NULL);
atomic_set(&fs_info->mutually_exclusive_operation_running, 0);
}