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f2fs: introduce cur_cp_version function to reduce code size

Browse source 
This patch introduces a new inline function, cur_cp_version, to reduce redundant
codes.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This commit is contained in:
Jaegeuk Kim 2013-08-09 15:03:21 +09:00
parent e518ff81c3
commit d71b5564c0
5 changed files with 13 additions and 9 deletions
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6
fs/f2fs/checkpoint.c
View file

@ -379,7 +379,7 @@ static struct page *validate_checkpoint(struct f2fs_sb_info *sbi,
if (!f2fs_crc_valid(crc, cp_block, crc_offset))
goto invalid_cp1;
pre_version = le64_to_cpu(cp_block->checkpoint_ver);
pre_version = cur_cp_version(cp_block);
/* Read the 2nd cp block in this CP pack */
cp_addr += le32_to_cpu(cp_block->cp_pack_total_block_count) - 1;
@ -394,7 +394,7 @@ static struct page *validate_checkpoint(struct f2fs_sb_info *sbi,
if (!f2fs_crc_valid(crc, cp_block, crc_offset))
goto invalid_cp2;
cur_version = le64_to_cpu(cp_block->checkpoint_ver);
cur_version = cur_cp_version(cp_block);
if (cur_version == pre_version) {
*version = cur_version;
@ -799,7 +799,7 @@ void write_checkpoint(struct f2fs_sb_info *sbi, bool is_umount)
* Increase the version number so that
* SIT entries and seg summaries are written at correct place
*/
ckpt_ver = le64_to_cpu(ckpt->checkpoint_ver);
ckpt_ver = cur_cp_version(ckpt);
ckpt->checkpoint_ver = cpu_to_le64(++ckpt_ver);
/* write cached NAT/SIT entries to NAT/SIT area */

7
fs/f2fs/f2fs.h
View file

@ -503,6 +503,11 @@ static inline void F2FS_RESET_SB_DIRT(struct f2fs_sb_info *sbi)
sbi->s_dirty = 0;
}
static inline unsigned long long cur_cp_version(struct f2fs_checkpoint *cp)
{
return le64_to_cpu(cp->checkpoint_ver);
}
static inline bool is_set_ckpt_flags(struct f2fs_checkpoint *cp, unsigned int f)
{
unsigned int ckpt_flags = le32_to_cpu(cp->ckpt_flags);
@ -691,7 +696,7 @@ static inline block_t __start_cp_addr(struct f2fs_sb_info *sbi)
{
block_t start_addr;
struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
unsigned long long ckpt_version = le64_to_cpu(ckpt->checkpoint_ver);
unsigned long long ckpt_version = cur_cp_version(ckpt);
start_addr = le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_blkaddr);

3
fs/f2fs/file.c
View file

@ -161,8 +161,7 @@ int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync)
need_cp = true;
else if (!is_checkpointed_node(sbi, F2FS_I(inode)->i_pino))
need_cp = true;
else if (F2FS_I(inode)->xattr_ver ==
le64_to_cpu(F2FS_CKPT(sbi)->checkpoint_ver))
else if (F2FS_I(inode)->xattr_ver == cur_cp_version(F2FS_CKPT(sbi)))
need_cp = true;
if (need_cp) {

4
fs/f2fs/recovery.c
View file

@ -117,7 +117,7 @@ static int recover_inode(struct inode *inode, struct page *node_page)
static int find_fsync_dnodes(struct f2fs_sb_info *sbi, struct list_head *head)
{
unsigned long long cp_ver = le64_to_cpu(sbi->ckpt->checkpoint_ver);
unsigned long long cp_ver = cur_cp_version(F2FS_CKPT(sbi));
struct curseg_info *curseg;
struct page *page;
block_t blkaddr;
@ -355,7 +355,7 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode,
static int recover_data(struct f2fs_sb_info *sbi,
struct list_head *head, int type)
{
unsigned long long cp_ver = le64_to_cpu(sbi->ckpt->checkpoint_ver);
unsigned long long cp_ver = cur_cp_version(F2FS_CKPT(sbi));
struct curseg_info *curseg;
struct page *page;
int err = 0;

2
fs/f2fs/xattr.c
View file

@ -488,7 +488,7 @@ int f2fs_setxattr(struct inode *inode, int name_index, const char *name,
}
/* store checkpoint version for conducting checkpoint during fsync */
fi->xattr_ver = le64_to_cpu(F2FS_CKPT(sbi)->checkpoint_ver);
fi->xattr_ver = cur_cp_version(F2FS_CKPT(sbi));
if (ipage)
update_inode(inode, ipage);