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Diffstat (limited to 'fs/f2fs/segment.c')
-rw-r--r--fs/f2fs/segment.c161
1 files changed, 118 insertions, 43 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 1766254279d2..eade36c5ef13 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1290,16 +1290,18 @@ static int __submit_discard_cmd(struct f2fs_sb_info *sbi,
wait_list, issued);
return 0;
}
-
- /*
- * Issue discard for conventional zones only if the device
- * supports discard.
- */
- if (!bdev_max_discard_sectors(bdev))
- return -EOPNOTSUPP;
}
#endif
+ /*
+ * stop issuing discard for any of below cases:
+ * 1. device is conventional zone, but it doesn't support discard.
+ * 2. device is regulare device, after snapshot it doesn't support
+ * discard.
+ */
+ if (!bdev_max_discard_sectors(bdev))
+ return -EOPNOTSUPP;
+
trace_f2fs_issue_discard(bdev, dc->di.start, dc->di.len);
lstart = dc->di.lstart;
@@ -2711,7 +2713,7 @@ static int get_new_segment(struct f2fs_sb_info *sbi,
if (sbi->blkzone_alloc_policy == BLKZONE_ALLOC_PRIOR_CONV || pinning)
segno = 0;
else
- segno = max(first_zoned_segno(sbi), *newseg);
+ segno = max(sbi->first_zoned_segno, *newseg);
hint = GET_SEC_FROM_SEG(sbi, segno);
}
#endif
@@ -2723,7 +2725,7 @@ find_other_zone:
if (secno >= MAIN_SECS(sbi) && f2fs_sb_has_blkzoned(sbi)) {
/* Write only to sequential zones */
if (sbi->blkzone_alloc_policy == BLKZONE_ALLOC_ONLY_SEQ) {
- hint = GET_SEC_FROM_SEG(sbi, first_zoned_segno(sbi));
+ hint = GET_SEC_FROM_SEG(sbi, sbi->first_zoned_segno);
secno = find_next_zero_bit(free_i->free_secmap, MAIN_SECS(sbi), hint);
} else
secno = find_first_zero_bit(free_i->free_secmap,
@@ -2926,7 +2928,8 @@ static int change_curseg(struct f2fs_sb_info *sbi, int type)
struct f2fs_summary_block *sum_node;
struct page *sum_page;
- write_sum_page(sbi, curseg->sum_blk, GET_SUM_BLOCK(sbi, curseg->segno));
+ if (curseg->inited)
+ write_sum_page(sbi, curseg->sum_blk, GET_SUM_BLOCK(sbi, curseg->segno));
__set_test_and_inuse(sbi, new_segno);
@@ -3237,7 +3240,8 @@ retry:
if (f2fs_sb_has_blkzoned(sbi) && err == -EAGAIN && gc_required) {
f2fs_down_write(&sbi->gc_lock);
- err = f2fs_gc_range(sbi, 0, GET_SEGNO(sbi, FDEV(0).end_blk), true, 1);
+ err = f2fs_gc_range(sbi, 0, GET_SEGNO(sbi, FDEV(0).end_blk),
+ true, ZONED_PIN_SEC_REQUIRED_COUNT);
f2fs_up_write(&sbi->gc_lock);
gc_required = false;
@@ -3581,18 +3585,35 @@ static int __get_segment_type_6(struct f2fs_io_info *fio)
}
}
-int f2fs_get_segment_temp(int seg_type)
+enum temp_type f2fs_get_segment_temp(struct f2fs_sb_info *sbi,
+ enum log_type type)
{
- if (IS_HOT(seg_type))
- return HOT;
- else if (IS_WARM(seg_type))
- return WARM;
- return COLD;
+ struct curseg_info *curseg = CURSEG_I(sbi, type);
+ enum temp_type temp = COLD;
+
+ switch (curseg->seg_type) {
+ case CURSEG_HOT_NODE:
+ case CURSEG_HOT_DATA:
+ temp = HOT;
+ break;
+ case CURSEG_WARM_NODE:
+ case CURSEG_WARM_DATA:
+ temp = WARM;
+ break;
+ case CURSEG_COLD_NODE:
+ case CURSEG_COLD_DATA:
+ temp = COLD;
+ break;
+ default:
+ f2fs_bug_on(sbi, 1);
+ }
+
+ return temp;
}
static int __get_segment_type(struct f2fs_io_info *fio)
{
- int type = 0;
+ enum log_type type = CURSEG_HOT_DATA;
switch (F2FS_OPTION(fio->sbi).active_logs) {
case 2:
@@ -3608,7 +3629,7 @@ static int __get_segment_type(struct f2fs_io_info *fio)
f2fs_bug_on(fio->sbi, true);
}
- fio->temp = f2fs_get_segment_temp(type);
+ fio->temp = f2fs_get_segment_temp(fio->sbi, type);
return type;
}
@@ -3793,10 +3814,35 @@ void f2fs_update_device_state(struct f2fs_sb_info *sbi, nid_t ino,
}
}
+static int log_type_to_seg_type(enum log_type type)
+{
+ int seg_type = CURSEG_COLD_DATA;
+
+ switch (type) {
+ case CURSEG_HOT_DATA:
+ case CURSEG_WARM_DATA:
+ case CURSEG_COLD_DATA:
+ case CURSEG_HOT_NODE:
+ case CURSEG_WARM_NODE:
+ case CURSEG_COLD_NODE:
+ seg_type = (int)type;
+ break;
+ case CURSEG_COLD_DATA_PINNED:
+ case CURSEG_ALL_DATA_ATGC:
+ seg_type = CURSEG_COLD_DATA;
+ break;
+ default:
+ break;
+ }
+ return seg_type;
+}
+
static void do_write_page(struct f2fs_summary *sum, struct f2fs_io_info *fio)
{
- int type = __get_segment_type(fio);
- bool keep_order = (f2fs_lfs_mode(fio->sbi) && type == CURSEG_COLD_DATA);
+ enum log_type type = __get_segment_type(fio);
+ int seg_type = log_type_to_seg_type(type);
+ bool keep_order = (f2fs_lfs_mode(fio->sbi) &&
+ seg_type == CURSEG_COLD_DATA);
if (keep_order)
f2fs_down_read(&fio->sbi->io_order_lock);
@@ -3977,8 +4023,8 @@ void f2fs_do_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
}
}
- f2fs_bug_on(sbi, !IS_DATASEG(type));
curseg = CURSEG_I(sbi, type);
+ f2fs_bug_on(sbi, !IS_DATASEG(curseg->seg_type));
mutex_lock(&curseg->curseg_mutex);
down_write(&sit_i->sentry_lock);
@@ -4778,12 +4824,7 @@ static int build_curseg(struct f2fs_sb_info *sbi)
sizeof(struct f2fs_journal), GFP_KERNEL);
if (!array[i].journal)
return -ENOMEM;
- if (i < NR_PERSISTENT_LOG)
- array[i].seg_type = CURSEG_HOT_DATA + i;
- else if (i == CURSEG_COLD_DATA_PINNED)
- array[i].seg_type = CURSEG_COLD_DATA;
- else if (i == CURSEG_ALL_DATA_ATGC)
- array[i].seg_type = CURSEG_COLD_DATA;
+ array[i].seg_type = log_type_to_seg_type(i);
reset_curseg_fields(&array[i]);
}
return restore_curseg_summaries(sbi);
@@ -5207,7 +5248,7 @@ static int report_one_zone_cb(struct blk_zone *zone, unsigned int idx,
return 0;
}
-static int fix_curseg_write_pointer(struct f2fs_sb_info *sbi, int type)
+static int do_fix_curseg_write_pointer(struct f2fs_sb_info *sbi, int type)
{
struct curseg_info *cs = CURSEG_I(sbi, type);
struct f2fs_dev_info *zbd;
@@ -5312,12 +5353,12 @@ static int fix_curseg_write_pointer(struct f2fs_sb_info *sbi, int type)
return 0;
}
-int f2fs_fix_curseg_write_pointer(struct f2fs_sb_info *sbi)
+static int fix_curseg_write_pointer(struct f2fs_sb_info *sbi)
{
int i, ret;
for (i = 0; i < NR_PERSISTENT_LOG; i++) {
- ret = fix_curseg_write_pointer(sbi, i);
+ ret = do_fix_curseg_write_pointer(sbi, i);
if (ret)
return ret;
}
@@ -5340,7 +5381,7 @@ static int check_zone_write_pointer_cb(struct blk_zone *zone, unsigned int idx,
return check_zone_write_pointer(args->sbi, args->fdev, zone);
}
-int f2fs_check_write_pointer(struct f2fs_sb_info *sbi)
+static int check_write_pointer(struct f2fs_sb_info *sbi)
{
int i, ret;
struct check_zone_write_pointer_args args;
@@ -5360,6 +5401,20 @@ int f2fs_check_write_pointer(struct f2fs_sb_info *sbi)
return 0;
}
+int f2fs_check_and_fix_write_pointer(struct f2fs_sb_info *sbi)
+{
+ int ret;
+
+ if (!f2fs_sb_has_blkzoned(sbi) || f2fs_readonly(sbi->sb))
+ return 0;
+
+ f2fs_notice(sbi, "Checking entire write pointers");
+ ret = fix_curseg_write_pointer(sbi);
+ if (!ret)
+ ret = check_write_pointer(sbi);
+ return ret;
+}
+
/*
* Return the number of usable blocks in a segment. The number of blocks
* returned is always equal to the number of blocks in a segment for
@@ -5396,12 +5451,7 @@ static inline unsigned int f2fs_usable_zone_blks_in_seg(
return BLKS_PER_SEG(sbi);
}
#else
-int f2fs_fix_curseg_write_pointer(struct f2fs_sb_info *sbi)
-{
- return 0;
-}
-
-int f2fs_check_write_pointer(struct f2fs_sb_info *sbi)
+int f2fs_check_and_fix_write_pointer(struct f2fs_sb_info *sbi)
{
return 0;
}
@@ -5430,6 +5480,35 @@ unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info *sbi)
return SEGS_PER_SEC(sbi);
}
+unsigned long long f2fs_get_section_mtime(struct f2fs_sb_info *sbi,
+ unsigned int segno)
+{
+ unsigned int usable_segs_per_sec = f2fs_usable_segs_in_sec(sbi);
+ unsigned int secno = 0, start = 0;
+ unsigned int total_valid_blocks = 0;
+ unsigned long long mtime = 0;
+ unsigned int i = 0;
+
+ secno = GET_SEC_FROM_SEG(sbi, segno);
+ start = GET_SEG_FROM_SEC(sbi, secno);
+
+ if (!__is_large_section(sbi))
+ return get_seg_entry(sbi, start + i)->mtime;
+
+ for (i = 0; i < usable_segs_per_sec; i++) {
+ /* for large section, only check the mtime of valid segments */
+ struct seg_entry *se = get_seg_entry(sbi, start+i);
+
+ mtime += se->mtime * se->valid_blocks;
+ total_valid_blocks += se->valid_blocks;
+ }
+
+ if (total_valid_blocks == 0)
+ return INVALID_MTIME;
+
+ return div_u64(mtime, total_valid_blocks);
+}
+
/*
* Update min, max modified time for cost-benefit GC algorithm
*/
@@ -5443,13 +5522,9 @@ static void init_min_max_mtime(struct f2fs_sb_info *sbi)
sit_i->min_mtime = ULLONG_MAX;
for (segno = 0; segno < MAIN_SEGS(sbi); segno += SEGS_PER_SEC(sbi)) {
- unsigned int i;
unsigned long long mtime = 0;
- for (i = 0; i < SEGS_PER_SEC(sbi); i++)
- mtime += get_seg_entry(sbi, segno + i)->mtime;
-
- mtime = div_u64(mtime, SEGS_PER_SEC(sbi));
+ mtime = f2fs_get_section_mtime(sbi, segno);
if (sit_i->min_mtime > mtime)
sit_i->min_mtime = mtime;
generated by cgit v1.2.3 (git 2.39.0) at 2025-05-03 11:12:51 +0300