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Diffstat (limited to 'fs/f2fs/segment.c')
-rw-r--r--fs/f2fs/segment.c56
1 files changed, 1 insertions, 55 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 3ac4d29f0cd..a86d125a988 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -309,56 +309,6 @@ static void write_sum_page(struct f2fs_sb_info *sbi,
f2fs_put_page(page, 1);
}
-static unsigned int check_prefree_segments(struct f2fs_sb_info *sbi, int type)
-{
- struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);
- unsigned long *prefree_segmap = dirty_i->dirty_segmap[PRE];
- unsigned int segno;
- unsigned int ofs = 0;
-
- /*
- * If there is not enough reserved sections,
- * we should not reuse prefree segments.
- */
- if (has_not_enough_free_secs(sbi, 0))
- return NULL_SEGNO;
-
- /*
- * NODE page should not reuse prefree segment,
- * since those information is used for SPOR.
- */
- if (IS_NODESEG(type))
- return NULL_SEGNO;
-next:
- segno = find_next_bit(prefree_segmap, TOTAL_SEGS(sbi), ofs);
- ofs += sbi->segs_per_sec;
-
- if (segno < TOTAL_SEGS(sbi)) {
- int i;
-
- /* skip intermediate segments in a section */
- if (segno % sbi->segs_per_sec)
- goto next;
-
- /* skip if the section is currently used */
- if (sec_usage_check(sbi, GET_SECNO(sbi, segno)))
- goto next;
-
- /* skip if whole section is not prefree */
- for (i = 1; i < sbi->segs_per_sec; i++)
- if (!test_bit(segno + i, prefree_segmap))
- goto next;
-
- /* skip if whole section was not free at the last checkpoint */
- for (i = 0; i < sbi->segs_per_sec; i++)
- if (get_seg_entry(sbi, segno + i)->ckpt_valid_blocks)
- goto next;
-
- return segno;
- }
- return NULL_SEGNO;
-}
-
static int is_next_segment_free(struct f2fs_sb_info *sbi, int type)
{
struct curseg_info *curseg = CURSEG_I(sbi, type);
@@ -597,11 +547,7 @@ static void allocate_segment_by_default(struct f2fs_sb_info *sbi,
goto out;
}
- curseg->next_segno = check_prefree_segments(sbi, type);
-
- if (curseg->next_segno != NULL_SEGNO)
- change_curseg(sbi, type, false);
- else if (type == CURSEG_WARM_NODE)
+ if (type == CURSEG_WARM_NODE)
new_curseg(sbi, type, false);
else if (curseg->alloc_type == LFS && is_next_segment_free(sbi, type))
new_curseg(sbi, type, false);