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btrfs: rename btrfs_std_error to btrfs_handle_fs_error 

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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; return ret;
if (refs == 0) { if (refs == 0) {
ret = -EROFS; ret = -EROFS;
btrfs_std_error(root->fs_info, ret, NULL); btrfs_handle_fs_error(root->fs_info, ret, NULL);
return ret; return ret;
} }
} else { } else {
@ -1928,7 +1928,7 @@ static noinline int balance_level(struct btrfs_trans_handle *trans,
child = read_node_slot(root, mid, 0); child = read_node_slot(root, mid, 0);
if (!child) { if (!child) {
ret = -EROFS; ret = -EROFS;
btrfs_std_error(root->fs_info, ret, NULL); btrfs_handle_fs_error(root->fs_info, ret, NULL);
goto enospc; goto enospc;
} }
@ -2031,7 +2031,7 @@ static noinline int balance_level(struct btrfs_trans_handle *trans,
*/ */
if (!left) { if (!left) {
ret = -EROFS; ret = -EROFS;
btrfs_std_error(root->fs_info, ret, NULL); btrfs_handle_fs_error(root->fs_info, ret, NULL);
goto enospc; goto enospc;
} }
wret = balance_node_right(trans, root, mid, left); 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() #define btrfs_assert()
__printf(5, 6) __printf(5, 6)
__cold __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, ...); unsigned int line, int errno, const char *fmt, ...);
const char *btrfs_decode_error(int errno); const char *btrfs_decode_error(int errno);
@ -4472,9 +4472,9 @@ do { \
__LINE__, (errno)); \ __LINE__, (errno)); \
} while (0) } while (0)
#define btrfs_std_error(fs_info, errno, fmt, args...) \ #define btrfs_handle_fs_error(fs_info, errno, fmt, args...) \
do { \ do { \
__btrfs_std_error((fs_info), __func__, __LINE__, \ __btrfs_handle_fs_error((fs_info), __func__, __LINE__, \
(errno), fmt, ##args); \ (errno), fmt, ##args); \
} while (0) } 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 */ /* returns with log_tree_root freed on success */
ret = btrfs_recover_log_trees(log_tree_root); ret = btrfs_recover_log_trees(log_tree_root);
if (ret) { if (ret) {
btrfs_std_error(tree_root->fs_info, ret, btrfs_handle_fs_error(tree_root->fs_info, ret,
"Failed to recover log tree"); "Failed to recover log tree");
free_extent_buffer(log_tree_root->node); free_extent_buffer(log_tree_root->node);
kfree(log_tree_root); kfree(log_tree_root);
@ -3646,7 +3646,7 @@ static int write_all_supers(struct btrfs_root *root, int max_mirrors)
if (ret) { if (ret) {
mutex_unlock( mutex_unlock(
&root->fs_info->fs_devices->device_list_mutex); &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."); "errors while submitting device barriers.");
return ret; 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); mutex_unlock(&root->fs_info->fs_devices->device_list_mutex);
/* FUA is masked off if unsupported and can't be the reason */ /* 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); "%d errors while writing supers", total_errors);
return -EIO; 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); mutex_unlock(&root->fs_info->fs_devices->device_list_mutex);
if (total_errors > max_errors) { 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); "%d errors while writing supers", total_errors);
return -EIO; return -EIO;
} }

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

@ -9058,7 +9058,7 @@ out:
if (!for_reloc && root_dropped == false) if (!for_reloc && root_dropped == false)
btrfs_add_dead_root(root); btrfs_add_dead_root(root);
if (err && err != -EAGAIN) if (err && err != -EAGAIN)
btrfs_std_error(root->fs_info, err, NULL); btrfs_handle_fs_error(root->fs_info, err, NULL);
return err; 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, if (!btrfs_find_name_in_ext_backref(path, ref_objectid,
name, name_len, &extref)) { name, name_len, &extref)) {
btrfs_std_error(root->fs_info, -ENOENT, NULL); btrfs_handle_fs_error(root->fs_info, -ENOENT, NULL);
ret = -EROFS; ret = -EROFS;
goto out; 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 */ /* update qgroup status and info */
err = btrfs_run_qgroups(trans, root->fs_info); err = btrfs_run_qgroups(trans, root->fs_info);
if (err < 0) 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"); "failed to update qgroup status and info\n");
err = btrfs_end_transaction(trans, root); err = btrfs_end_transaction(trans, root);
if (err && !ret) if (err && !ret)

2
fs/btrfs/relocation.c
View File

@ -2418,7 +2418,7 @@ again:
} }
out: out:
if (ret) { if (ret) {
btrfs_std_error(root->fs_info, ret, NULL); btrfs_handle_fs_error(root->fs_info, ret, NULL);
if (!list_empty(&reloc_roots)) if (!list_empty(&reloc_roots))
free_reloc_roots(&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); trans = btrfs_join_transaction(tree_root);
if (IS_ERR(trans)) { if (IS_ERR(trans)) {
err = PTR_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 " "Failed to start trans to delete "
"orphan item"); "orphan item");
break; break;
@ -293,7 +293,7 @@ int btrfs_find_orphan_roots(struct btrfs_root *tree_root)
root_key.objectid); root_key.objectid);
btrfs_end_transaction(trans, tree_root); btrfs_end_transaction(trans, tree_root);
if (err) { if (err) {
btrfs_std_error(tree_root->fs_info, err, btrfs_handle_fs_error(tree_root->fs_info, err,
"Failed to delete root orphan " "Failed to delete root orphan "
"item"); "item");
break; 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. * invokes the approciate error response.
*/ */
__cold __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, ...) unsigned int line, int errno, const char *fmt, ...)
{ {
struct super_block *sb = fs_info->sb; 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 anybody who may be waiting on this transaction */
wake_up(&root->fs_info->transaction_wait); wake_up(&root->fs_info->transaction_wait);
wake_up(&root->fs_info->transaction_blocked_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, * __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); ret = btrfs_write_and_wait_transaction(trans, root);
if (ret) { if (ret) {
btrfs_std_error(root->fs_info, ret, btrfs_handle_fs_error(root->fs_info, ret,
"Error while writing out transaction"); "Error while writing out transaction");
mutex_unlock(&root->fs_info->tree_log_mutex); mutex_unlock(&root->fs_info->tree_log_mutex);
goto scrub_continue; 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); ret = walk_log_tree(trans, log_root_tree, &wc);
if (ret) { 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."); "recovering log root tree.");
goto error; goto error;
} }
@ -5533,7 +5533,7 @@ again:
ret = btrfs_search_slot(NULL, log_root_tree, &key, path, 0, 0); ret = btrfs_search_slot(NULL, log_root_tree, &key, path, 0, 0);
if (ret < 0) { if (ret < 0) {
btrfs_std_error(fs_info, ret, btrfs_handle_fs_error(fs_info, ret,
"Couldn't find tree log root."); "Couldn't find tree log root.");
goto error; goto error;
} }
@ -5551,7 +5551,7 @@ again:
log = btrfs_read_fs_root(log_root_tree, &found_key); log = btrfs_read_fs_root(log_root_tree, &found_key);
if (IS_ERR(log)) { if (IS_ERR(log)) {
ret = PTR_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."); "Couldn't read tree log root.");
goto error; goto error;
} }
@ -5566,7 +5566,7 @@ again:
free_extent_buffer(log->node); free_extent_buffer(log->node);
free_extent_buffer(log->commit_root); free_extent_buffer(log->commit_root);
kfree(log); 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."); "for tree log recovery.");
goto error; goto error;
} }

14
fs/btrfs/volumes.c
View File

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