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Btrfs: Fix checkpatch.pl warnings

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There were many, most are fixed now.  struct-funcs.c generates some warnings
but these are bogus.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2009-01-05 21:25:51 -05:00
parent 1f3c79a28c
commit d397712bcc
33 changed files with 770 additions and 898 deletions
Download Patch File Download Diff File Expand all files Collapse all files

45
fs/btrfs/transaction.c
View File

@ -28,9 +28,6 @@
#include "ref-cache.h"
#include "tree-log.h"
extern struct kmem_cache *btrfs_trans_handle_cachep;
extern struct kmem_cache *btrfs_transaction_cachep;
#define BTRFS_ROOT_TRANS_TAG 0
static noinline void put_transaction(struct btrfs_transaction *transaction)
@ -85,10 +82,10 @@ static noinline int join_transaction(struct btrfs_root *root)
}
/*
* this does all the record keeping required to make sure that a
* reference counted root is properly recorded in a given transaction.
* This is required to make sure the old root from before we joined the transaction
* is deleted when the transaction commits
* this does all the record keeping required to make sure that a reference
* counted root is properly recorded in a given transaction. This is required
* to make sure the old root from before we joined the transaction is deleted
* when the transaction commits
*/
noinline int btrfs_record_root_in_trans(struct btrfs_root *root)
{
@ -144,7 +141,7 @@ static void wait_current_trans(struct btrfs_root *root)
if (cur_trans && cur_trans->blocked) {
DEFINE_WAIT(wait);
cur_trans->use_count++;
while(1) {
while (1) {
prepare_to_wait(&root->fs_info->transaction_wait, &wait,
TASK_UNINTERRUPTIBLE);
if (cur_trans->blocked) {
@ -213,7 +210,7 @@ static noinline int wait_for_commit(struct btrfs_root *root,
{
DEFINE_WAIT(wait);
mutex_lock(&root->fs_info->trans_mutex);
while(!commit->commit_done) {
while (!commit->commit_done) {
prepare_to_wait(&commit->commit_wait, &wait,
TASK_UNINTERRUPTIBLE);
if (commit->commit_done)
@ -228,8 +225,8 @@ static noinline int wait_for_commit(struct btrfs_root *root,
}
/*
* rate limit against the drop_snapshot code. This helps to slow down new operations
* if the drop_snapshot code isn't able to keep up.
* rate limit against the drop_snapshot code. This helps to slow down new
* operations if the drop_snapshot code isn't able to keep up.
*/
static void throttle_on_drops(struct btrfs_root *root)
{
@ -332,12 +329,12 @@ int btrfs_write_and_wait_marked_extents(struct btrfs_root *root,
u64 end;
unsigned long index;
while(1) {
while (1) {
ret = find_first_extent_bit(dirty_pages, start, &start, &end,
EXTENT_DIRTY);
if (ret)
break;
while(start <= end) {
while (start <= end) {
cond_resched();
index = start >> PAGE_CACHE_SHIFT;
@ -368,14 +365,14 @@ int btrfs_write_and_wait_marked_extents(struct btrfs_root *root,
page_cache_release(page);
}
}
while(1) {
while (1) {
ret = find_first_extent_bit(dirty_pages, 0, &start, &end,
EXTENT_DIRTY);
if (ret)
break;
clear_extent_dirty(dirty_pages, start, end, GFP_NOFS);
while(start <= end) {
while (start <= end) {
index = start >> PAGE_CACHE_SHIFT;
start = (u64)(index + 1) << PAGE_CACHE_SHIFT;
page = find_get_page(btree_inode->i_mapping, index);
@ -431,7 +428,7 @@ static int update_cowonly_root(struct btrfs_trans_handle *trans,
btrfs_write_dirty_block_groups(trans, root);
btrfs_extent_post_op(trans, root);
while(1) {
while (1) {
old_root_bytenr = btrfs_root_bytenr(&root->root_item);
if (old_root_bytenr == root->node->start)
break;
@ -472,7 +469,7 @@ int btrfs_commit_tree_roots(struct btrfs_trans_handle *trans,
btrfs_extent_post_op(trans, fs_info->tree_root);
while(!list_empty(&fs_info->dirty_cowonly_roots)) {
while (!list_empty(&fs_info->dirty_cowonly_roots)) {
next = fs_info->dirty_cowonly_roots.next;
list_del_init(next);
root = list_entry(next, struct btrfs_root, dirty_list);
@ -521,7 +518,7 @@ static noinline int add_dirty_roots(struct btrfs_trans_handle *trans,
int err = 0;
u32 refs;
while(1) {
while (1) {
ret = radix_tree_gang_lookup_tag(radix, (void **)gang, 0,
ARRAY_SIZE(gang),
BTRFS_ROOT_TRANS_TAG);
@ -653,7 +650,7 @@ static noinline int drop_dirty_roots(struct btrfs_root *tree_root,
int ret = 0;
int err;
while(!list_empty(list)) {
while (!list_empty(list)) {
struct btrfs_root *root;
dirty = list_entry(list->prev, struct btrfs_dirty_root, list);
@ -663,13 +660,12 @@ static noinline int drop_dirty_roots(struct btrfs_root *tree_root,
root = dirty->latest_root;
atomic_inc(&root->fs_info->throttles);
while(1) {
while (1) {
trans = btrfs_start_transaction(tree_root, 1);
mutex_lock(&root->fs_info->drop_mutex);
ret = btrfs_drop_snapshot(trans, dirty->root);
if (ret != -EAGAIN) {
if (ret != -EAGAIN)
break;
}
mutex_unlock(&root->fs_info->drop_mutex);
err = btrfs_update_root(trans,
@ -874,7 +870,7 @@ static noinline int finish_pending_snapshots(struct btrfs_trans_handle *trans,
struct list_head *head = &trans->transaction->pending_snapshots;
int ret;
while(!list_empty(head)) {
while (!list_empty(head)) {
pending = list_entry(head->next,
struct btrfs_pending_snapshot, list);
ret = finish_pending_snapshot(fs_info, pending);
@ -1076,9 +1072,8 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
kmem_cache_free(btrfs_trans_handle_cachep, trans);
if (root->fs_info->closing) {
if (root->fs_info->closing)
drop_dirty_roots(root->fs_info->tree_root, &dirty_fs_roots);
}
return ret;
}