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f2fs: cleanup the f2fs_bio_alloc routine

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Do cleanup more for better code readability.

- Change the parameter set of f2fs_bio_alloc()
  This function should allocate a bio only since it is not something like
  f2fs_bio_init(). Instead, the caller should initialize the allocated bio.

- Introduce SECTOR_FROM_BLOCK
  This macro translates a block address to its sector address.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Reviewed-by: Namjae Jeon <namjae.jeon@samsung.com>
This commit is contained in:
Jaegeuk Kim
2012-12-10 09:26:05 +09:00
parent 457d08ee4f
commit 3cd8a23948
4 changed files with 25 additions and 18 deletions
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fs/f2fs/f2fs.h
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@@ -924,7 +924,7 @@ void clear_prefree_segments(struct f2fs_sb_info *);
int npages_for_summary_flush(struct f2fs_sb_info *);
void allocate_new_segments(struct f2fs_sb_info *);
struct page *get_sum_page(struct f2fs_sb_info *, unsigned int);
struct bio *f2fs_bio_alloc(struct block_device *, sector_t, int, gfp_t);
struct bio *f2fs_bio_alloc(struct block_device *, int);
void f2fs_submit_bio(struct f2fs_sb_info *, enum page_type, bool sync);
int write_meta_page(struct f2fs_sb_info *, struct page *,
struct writeback_control *);