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Commit 5e443818 authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

f2fs: handle dirty segments inside refresh_sit_entry 



This patch cleans up the refresh_sit_entry to handle locate_dirty_segments.

Signed-off-by: default avatarJaegeuk Kim <jaegeuk.kim@samsung.com>
parent 744602cf

fs/f2fs/f2fs.h

+1 −0
Original line number Diff line number Diff line
@@ -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 *);

fs/f2fs/segment.c

+10 −14
Original line number Diff line number Diff line
@@ -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);