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authorNamjae Jeon <namjae.jeon@samsung.com>2013-02-02 23:52:59 +0900
committerJaegeuk Kim <jaegeuk.kim@samsung.com>2013-02-12 07:15:02 +0900
commit5ac206cf4f9aad871aa1f1dd653a3404092db56c (patch)
treef9d487406816b58c5e3b1b52a376d459245be803 /fs/f2fs
parent25718423ea6f7118f9c173adff0fac52414571b8 (diff)
downloadlinux-5ac206cf4f9aad871aa1f1dd653a3404092db56c.tar.gz
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>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/f2fs.h8
-rw-r--r--fs/f2fs/gc.h8
-rw-r--r--fs/f2fs/segment.h9
3 files changed, 12 insertions, 13 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 5022a7d7f7c..87840bccaf2 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -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;
diff --git a/fs/f2fs/gc.h b/fs/f2fs/gc.h
index 3abdf83b5c1..c407a75a7da 100644
--- a/fs/f2fs/gc.h
+++ b/fs/f2fs/gc.h
@@ -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);
}
diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index 66a288a52fd..a9417b94d6b 100644
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -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;