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f2fs: add an option to avoid unnecessary BUG_ONs

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If you want to remove unnecessary BUG_ONs, you can just turn off F2FS_CHECK_FS
in your kernel config.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This commit is contained in:
Jaegeuk Kim
2013-10-29 15:14:54 +09:00
parent 3b218e3a21
commit 5d56b6718a
11 changed files with 65 additions and 57 deletions
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fs/f2fs/f2fs.h
+14 -8
View File
@@ -20,6 +20,12 @@
#include <linux/kobject.h>
#include <linux/sched.h>
#ifdef CONFIG_F2FS_CHECK_FS
#define f2fs_bug_on(condition) BUG_ON(condition)
#else
#define f2fs_bug_on(condition)
#endif
/*
* For mount options
*/
@@ -584,8 +590,8 @@ static inline int dec_valid_block_count(struct f2fs_sb_info *sbi,
blkcnt_t count)
{
spin_lock(&sbi->stat_lock);
BUG_ON(sbi->total_valid_block_count < (block_t) count);
BUG_ON(inode->i_blocks < count);
f2fs_bug_on(sbi->total_valid_block_count < (block_t) count);
f2fs_bug_on(inode->i_blocks < count);
inode->i_blocks -= count;
sbi->total_valid_block_count -= (block_t)count;
spin_unlock(&sbi->stat_lock);
@@ -717,9 +723,9 @@ static inline void dec_valid_node_count(struct f2fs_sb_info *sbi,
{
spin_lock(&sbi->stat_lock);
BUG_ON(sbi->total_valid_block_count < count);
BUG_ON(sbi->total_valid_node_count < count);
BUG_ON(inode->i_blocks < count);
f2fs_bug_on(sbi->total_valid_block_count < count);
f2fs_bug_on(sbi->total_valid_node_count < count);
f2fs_bug_on(inode->i_blocks < count);
inode->i_blocks -= count;
sbi->total_valid_node_count -= count;
@@ -740,7 +746,7 @@ static inline unsigned int valid_node_count(struct f2fs_sb_info *sbi)
static inline void inc_valid_inode_count(struct f2fs_sb_info *sbi)
{
spin_lock(&sbi->stat_lock);
BUG_ON(sbi->total_valid_inode_count == sbi->total_node_count);
f2fs_bug_on(sbi->total_valid_inode_count == sbi->total_node_count);
sbi->total_valid_inode_count++;
spin_unlock(&sbi->stat_lock);
}
@@ -748,7 +754,7 @@ static inline void inc_valid_inode_count(struct f2fs_sb_info *sbi)
static inline int dec_valid_inode_count(struct f2fs_sb_info *sbi)
{
spin_lock(&sbi->stat_lock);
BUG_ON(!sbi->total_valid_inode_count);
f2fs_bug_on(!sbi->total_valid_inode_count);
sbi->total_valid_inode_count--;
spin_unlock(&sbi->stat_lock);
return 0;
@@ -769,7 +775,7 @@ static inline void f2fs_put_page(struct page *page, int unlock)
return;
if (unlock) {
BUG_ON(!PageLocked(page));
f2fs_bug_on(!PageLocked(page));
unlock_page(page);
}
page_cache_release(page);