This function can process some consecutive blocks at a time.
Signed-off-by: Yi Sun <yi....@unisoc.com>
---
fs/f2fs/segment.c | 91 +++++++++++++++++++++++++++++------------------
1 file changed, 56 insertions(+), 35 deletions(-)
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index d91fbd1b27ba..f118faf36d35 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -2424,6 +2424,58 @@ static void update_segment_mtime(struct f2fs_sb_info
*sbi, block_t blkaddr,
SIT_I(sbi)->max_mtime = ctime;
}
+static int update_sit_entry_for_release(struct f2fs_sb_info *sbi, struct
seg_entry *se,
+ block_t blkaddr, unsigned int offset, int del)
+{
+ bool exist;
+#ifdef CONFIG_F2FS_CHECK_FS
+ bool mir_exist;
+#endif
+ int i;
+ int del_count = -del;
+
+ for (i = 0; i < del_count; i++) {
+ exist = f2fs_test_and_clear_bit(offset + i, se->cur_valid_map);
+#ifdef CONFIG_F2FS_CHECK_FS
+ mir_exist = f2fs_test_and_clear_bit(offset + i,
+ se->cur_valid_map_mir);
+ if (unlikely(exist != mir_exist)) {
+ f2fs_err(sbi, "Inconsistent error when clearing bitmap,
blk:%u, old bit:%d",
+ blkaddr + i, exist);
+ f2fs_bug_on(sbi, 1);
+ }
+#endif
+ if (unlikely(!exist)) {
+ f2fs_err(sbi, "Bitmap was wrongly cleared, blk:%u",
+ blkaddr + i);
+ f2fs_bug_on(sbi, 1);
+ se->valid_blocks++;
+ del += 1;
+ } else if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) {
+ /*
+ * If checkpoints are off, we must not reuse data that
+ * was used in the previous checkpoint. If it was used
+ * before, we must track that to know how much space we
+ * really have.
+ */
+ if (f2fs_test_bit(offset + i, se->ckpt_valid_map)) {
+ spin_lock(&sbi->stat_lock);
+ sbi->unusable_block_count++;
+ spin_unlock(&sbi->stat_lock);
+ }
+ }
+
+ if (f2fs_block_unit_discard(sbi) &&
+ f2fs_test_and_clear_bit(offset + i, se->discard_map))
+ sbi->discard_blks++;
+
+ if (!f2fs_test_bit(offset + i, se->ckpt_valid_map))
+ se->ckpt_valid_blocks -= 1;
+ }
+
+ return del;
+}
+
static void update_sit_entry(struct f2fs_sb_info *sbi, block_t blkaddr, int
del)
{
struct seg_entry *se;
@@ -2479,43 +2531,12 @@ static void update_sit_entry(struct f2fs_sb_info *sbi,
block_t blkaddr, int del)
if (!f2fs_test_and_set_bit(offset, se->ckpt_valid_map))
se->ckpt_valid_blocks++;
}
- } else {
- exist = f2fs_test_and_clear_bit(offset, se->cur_valid_map);
-#ifdef CONFIG_F2FS_CHECK_FS
- mir_exist = f2fs_test_and_clear_bit(offset,
- se->cur_valid_map_mir);
- if (unlikely(exist != mir_exist)) {
- f2fs_err(sbi, "Inconsistent error when clearing bitmap,
blk:%u, old bit:%d",
- blkaddr, exist);
- f2fs_bug_on(sbi, 1);
- }
-#endif
- if (unlikely(!exist)) {
- f2fs_err(sbi, "Bitmap was wrongly cleared, blk:%u",
- blkaddr);
- f2fs_bug_on(sbi, 1);
- se->valid_blocks++;
- del = 0;
- } else if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED))) {
- /*
- * If checkpoints are off, we must not reuse data that
- * was used in the previous checkpoint. If it was used
- * before, we must track that to know how much space we
- * really have.
- */
- if (f2fs_test_bit(offset, se->ckpt_valid_map)) {
- spin_lock(&sbi->stat_lock);
- sbi->unusable_block_count++;
- spin_unlock(&sbi->stat_lock);
- }
- }
- if (f2fs_block_unit_discard(sbi) &&
- f2fs_test_and_clear_bit(offset, se->discard_map))
- sbi->discard_blks++;
+ if (!f2fs_test_bit(offset, se->ckpt_valid_map))
+ se->ckpt_valid_blocks += del;
+ } else {
+ del = update_sit_entry_for_release(sbi, se, blkaddr, offset,
del);
}
- if (!f2fs_test_bit(offset, se->ckpt_valid_map))
- se->ckpt_valid_blocks += del;
__mark_sit_entry_dirty(sbi, segno);
--
2.25.1
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