Commit 901d745f authored by Chao Yu's avatar Chao Yu Committed by Jaegeuk Kim
Browse files

f2fs: split f2fs_allocate_new_segments() 



to two independent functions:
- f2fs_allocate_new_segment() for specified type segment allocation
- f2fs_allocate_new_segments() for all data type segments allocation

Signed-off-by: default avatarChao Yu <yuchao0@huawei.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent 9039d835

fs/f2fs/f2fs.h

+2 −1
Original line number Diff line number Diff line
@@ -3335,7 +3335,8 @@ void f2fs_release_discard_addrs(struct f2fs_sb_info *sbi); 
int f2fs_npages_for_summary_flush(struct f2fs_sb_info *sbi, bool for_ra);

void f2fs_allocate_segment_for_resize(struct f2fs_sb_info *sbi, int type,

					unsigned int start, unsigned int end);

void f2fs_allocate_new_segments(struct f2fs_sb_info *sbi, int type);

void f2fs_allocate_new_segment(struct f2fs_sb_info *sbi, int type);

void f2fs_allocate_new_segments(struct f2fs_sb_info *sbi);

int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range);

bool f2fs_exist_trim_candidates(struct f2fs_sb_info *sbi,

					struct cp_control *cpc);

fs/f2fs/file.c

+1 −1
Original line number Diff line number Diff line
@@ -1658,7 +1658,7 @@ next_alloc: 
		map.m_seg_type = CURSEG_COLD_DATA_PINNED;



		f2fs_lock_op(sbi);

		f2fs_allocate_new_segments(sbi, CURSEG_COLD_DATA);

		f2fs_allocate_new_segment(sbi, CURSEG_COLD_DATA);

		f2fs_unlock_op(sbi);



		err = f2fs_map_blocks(inode, &map, 1, F2FS_GET_BLOCK_PRE_DIO);

fs/f2fs/recovery.c

+1 −1
Original line number Diff line number Diff line
@@ -742,7 +742,7 @@ next: 
		f2fs_put_page(page, 1);

	}

	if (!err)

		f2fs_allocate_new_segments(sbi, NO_CHECK_TYPE);

		f2fs_allocate_new_segments(sbi);

	return err;

}

fs/f2fs/segment.c

+23 −16
Original line number Diff line number Diff line
@@ -2733,28 +2733,35 @@ unlock: 
	up_read(&SM_I(sbi)->curseg_lock);

}



void f2fs_allocate_new_segments(struct f2fs_sb_info *sbi, int type)

static void __allocate_new_segment(struct f2fs_sb_info *sbi, int type)

{

	struct curseg_info *curseg;

	struct curseg_info *curseg = CURSEG_I(sbi, type);

	unsigned int old_segno;

	int i;



	down_write(&SIT_I(sbi)->sentry_lock);



	for (i = CURSEG_HOT_DATA; i <= CURSEG_COLD_DATA; i++) {

		if (type != NO_CHECK_TYPE && i != type)

			continue;

	if (!curseg->next_blkoff &&

		!get_valid_blocks(sbi, curseg->segno, false) &&

		!get_ckpt_valid_blocks(sbi, curseg->segno))

		return;



		curseg = CURSEG_I(sbi, i);

		if (type == NO_CHECK_TYPE || curseg->next_blkoff ||

				get_valid_blocks(sbi, curseg->segno, false) ||

				get_ckpt_valid_blocks(sbi, curseg->segno)) {

	old_segno = curseg->segno;

			SIT_I(sbi)->s_ops->allocate_segment(sbi, i, true);

	SIT_I(sbi)->s_ops->allocate_segment(sbi, type, true);

	locate_dirty_segment(sbi, old_segno);

}



void f2fs_allocate_new_segment(struct f2fs_sb_info *sbi, int type)

{

	down_write(&SIT_I(sbi)->sentry_lock);

	__allocate_new_segment(sbi, type);

	up_write(&SIT_I(sbi)->sentry_lock);

}



void f2fs_allocate_new_segments(struct f2fs_sb_info *sbi)

{

	int i;



	down_write(&SIT_I(sbi)->sentry_lock);

	for (i = CURSEG_HOT_DATA; i <= CURSEG_COLD_DATA; i++)

		__allocate_new_segment(sbi, i);

	up_write(&SIT_I(sbi)->sentry_lock);

}

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