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f2fs: handle dirty segments inside refresh_sit_entry 

This patch cleans up the refresh_sit_entry to handle locate_dirty_segments.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
hifive-unleashed-5.1
Jaegeuk Kim 2014-01-28 12:22:14 +09:00
parent 744602cf45
commit 5e443818fa
2 changed files with 11 additions and 14 deletions
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1
fs/f2fs/f2fs.h
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@ -1136,6 +1136,7 @@ void destroy_node_manager_caches(void);
void f2fs_balance_fs(struct f2fs_sb_info *);
void f2fs_balance_fs_bg(struct f2fs_sb_info *);
void invalidate_blocks(struct f2fs_sb_info *, block_t);
void refresh_sit_entry(struct f2fs_sb_info *, block_t, block_t);
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 *);

24
fs/f2fs/segment.c
View File

@ -434,12 +434,14 @@ static void update_sit_entry(struct f2fs_sb_info *sbi, block_t blkaddr, int del)
get_sec_entry(sbi, segno)->valid_blocks += del;
}
static void refresh_sit_entry(struct f2fs_sb_info *sbi,
block_t old_blkaddr, block_t new_blkaddr)
void refresh_sit_entry(struct f2fs_sb_info *sbi, block_t old, block_t new)
{
update_sit_entry(sbi, new_blkaddr, 1);
if (GET_SEGNO(sbi, old_blkaddr) != NULL_SEGNO)
update_sit_entry(sbi, old_blkaddr, -1);
update_sit_entry(sbi, new, 1);
if (GET_SEGNO(sbi, old) != NULL_SEGNO)
update_sit_entry(sbi, old, -1);
locate_dirty_segment(sbi, GET_SEGNO(sbi, old));
locate_dirty_segment(sbi, GET_SEGNO(sbi, new));
}
void invalidate_blocks(struct f2fs_sb_info *sbi, block_t addr)
@ -881,17 +883,15 @@ void allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
stat_inc_block_count(sbi, curseg);
if (!__has_curseg_space(sbi, type))
sit_i->s_ops->allocate_segment(sbi, type, false);
/*
* SIT information should be updated before segment allocation,
* since SSR needs latest valid block information.
*/
refresh_sit_entry(sbi, old_blkaddr, *new_blkaddr);
if (!__has_curseg_space(sbi, type))
sit_i->s_ops->allocate_segment(sbi, type, false);
locate_dirty_segment(sbi, old_cursegno);
locate_dirty_segment(sbi, GET_SEGNO(sbi, old_blkaddr));
mutex_unlock(&sit_i->sentry_lock);
if (page && IS_NODESEG(type))
@ -992,9 +992,7 @@ void recover_data_page(struct f2fs_sb_info *sbi,
__add_sum_entry(sbi, type, sum);
refresh_sit_entry(sbi, old_blkaddr, new_blkaddr);
locate_dirty_segment(sbi, old_cursegno);
locate_dirty_segment(sbi, GET_SEGNO(sbi, old_blkaddr));
mutex_unlock(&sit_i->sentry_lock);
mutex_unlock(&curseg->curseg_mutex);
@ -1045,9 +1043,7 @@ void rewrite_node_page(struct f2fs_sb_info *sbi,
f2fs_submit_page_mbio(sbi, page, new_blkaddr, &fio);
f2fs_submit_merged_bio(sbi, NODE, WRITE);
refresh_sit_entry(sbi, old_blkaddr, new_blkaddr);
locate_dirty_segment(sbi, old_cursegno);
locate_dirty_segment(sbi, GET_SEGNO(sbi, old_blkaddr));
mutex_unlock(&sit_i->sentry_lock);
mutex_unlock(&curseg->curseg_mutex);