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f2fs: make an accessor to get sections for particular block type 

Introduce accessor to get the sections based upon the block type
(node,dents...) and modify the functions : should_do_checkpoint,
has_not_enough_free_secs to use this accessor function to get
the node sections and dent sections.

Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Amit Sahrawat <a.sahrawat@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
hifive-unleashed-5.1
Namjae Jeon 2013-02-02 23:52:59 +09:00 committed by Jaegeuk Kim
parent 25718423ea
commit 5ac206cf4f
3 changed files with 12 additions and 13 deletions
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8
fs/f2fs/f2fs.h
View File

@ -573,6 +573,14 @@ static inline int get_pages(struct f2fs_sb_info *sbi, int count_type)
return atomic_read(&sbi->nr_pages[count_type]);
}
static inline int get_blocktype_secs(struct f2fs_sb_info *sbi, int block_type)
{
unsigned int pages_per_sec = sbi->segs_per_sec *
(1 << sbi->log_blocks_per_seg);
return ((get_pages(sbi, block_type) + pages_per_sec - 1)
>> sbi->log_blocks_per_seg) / sbi->segs_per_sec;
}
static inline block_t valid_user_blocks(struct f2fs_sb_info *sbi)
{
block_t ret;

8
fs/f2fs/gc.h
View File

@ -106,11 +106,7 @@ static inline int is_idle(struct f2fs_sb_info *sbi)
static inline bool should_do_checkpoint(struct f2fs_sb_info *sbi)
{
unsigned int pages_per_sec = sbi->segs_per_sec *
(1 << sbi->log_blocks_per_seg);
int node_secs = ((get_pages(sbi, F2FS_DIRTY_NODES) + pages_per_sec - 1)
>> sbi->log_blocks_per_seg) / sbi->segs_per_sec;
int dent_secs = ((get_pages(sbi, F2FS_DIRTY_DENTS) + pages_per_sec - 1)
>> sbi->log_blocks_per_seg) / sbi->segs_per_sec;
int node_secs = get_blocktype_secs(sbi, F2FS_DIRTY_NODES);
int dent_secs = get_blocktype_secs(sbi, F2FS_DIRTY_DENTS);
return free_sections(sbi) <= (node_secs + 2 * dent_secs + 2);
}

9
fs/f2fs/segment.h
View File

@ -459,13 +459,8 @@ static inline int get_ssr_segment(struct f2fs_sb_info *sbi, int type)
static inline bool has_not_enough_free_secs(struct f2fs_sb_info *sbi)
{
unsigned int pages_per_sec = (1 << sbi->log_blocks_per_seg) *
sbi->segs_per_sec;
int node_secs = ((get_pages(sbi, F2FS_DIRTY_NODES) + pages_per_sec - 1)
>> sbi->log_blocks_per_seg) / sbi->segs_per_sec;
int dent_secs = ((get_pages(sbi, F2FS_DIRTY_DENTS) + pages_per_sec - 1)
>> sbi->log_blocks_per_seg) / sbi->segs_per_sec;
int node_secs = get_blocktype_secs(sbi, F2FS_DIRTY_NODES);
int dent_secs = get_blocktype_secs(sbi, F2FS_DIRTY_DENTS);
if (sbi->por_doing)
return false;