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Diffstat (limited to 'fs/f2fs/segment.c')
-rw-r--r--fs/f2fs/segment.c444
1 files changed, 278 insertions, 166 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index e1065ba70207..4fd76e867e0a 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -192,6 +192,9 @@ void f2fs_abort_atomic_write(struct inode *inode, bool clean)
if (!f2fs_is_atomic_file(inode))
return;
+ if (clean)
+ truncate_inode_pages_final(inode->i_mapping);
+
release_atomic_write_cnt(inode);
clear_inode_flag(inode, FI_ATOMIC_COMMITTED);
clear_inode_flag(inode, FI_ATOMIC_REPLACE);
@@ -201,7 +204,6 @@ void f2fs_abort_atomic_write(struct inode *inode, bool clean)
F2FS_I(inode)->atomic_write_task = NULL;
if (clean) {
- truncate_inode_pages_final(inode->i_mapping);
f2fs_i_size_write(inode, fi->original_i_size);
fi->original_i_size = 0;
}
@@ -248,7 +250,7 @@ retry:
} else {
blkcnt_t count = 1;
- err = inc_valid_block_count(sbi, inode, &count);
+ err = inc_valid_block_count(sbi, inode, &count, true);
if (err) {
f2fs_put_dnode(&dn);
return err;
@@ -334,8 +336,6 @@ static int __f2fs_commit_atomic_write(struct inode *inode)
DATA_GENERIC_ENHANCE)) {
f2fs_put_dnode(&dn);
ret = -EFSCORRUPTED;
- f2fs_handle_error(sbi,
- ERROR_INVALID_BLKADDR);
goto out;
}
@@ -400,6 +400,9 @@ int f2fs_commit_atomic_write(struct inode *inode)
*/
void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need)
{
+ if (f2fs_cp_error(sbi))
+ return;
+
if (time_to_inject(sbi, FAULT_CHECKPOINT))
f2fs_stop_checkpoint(sbi, false, STOP_CP_REASON_FAULT_INJECT);
@@ -448,8 +451,8 @@ static inline bool excess_dirty_threshold(struct f2fs_sb_info *sbi)
unsigned int nodes = get_pages(sbi, F2FS_DIRTY_NODES);
unsigned int meta = get_pages(sbi, F2FS_DIRTY_META);
unsigned int imeta = get_pages(sbi, F2FS_DIRTY_IMETA);
- unsigned int threshold = sbi->blocks_per_seg * factor *
- DEFAULT_DIRTY_THRESHOLD;
+ unsigned int threshold =
+ SEGS_TO_BLKS(sbi, (factor * DEFAULT_DIRTY_THRESHOLD));
unsigned int global_threshold = threshold * 3 / 2;
if (dents >= threshold || qdata >= threshold ||
@@ -872,7 +875,7 @@ block_t f2fs_get_unusable_blocks(struct f2fs_sb_info *sbi)
{
int ovp_hole_segs =
(overprovision_segments(sbi) - reserved_segments(sbi));
- block_t ovp_holes = ovp_hole_segs << sbi->log_blocks_per_seg;
+ block_t ovp_holes = SEGS_TO_BLKS(sbi, ovp_hole_segs);
struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);
block_t holes[2] = {0, 0}; /* DATA and NODE */
block_t unusable;
@@ -901,11 +904,16 @@ int f2fs_disable_cp_again(struct f2fs_sb_info *sbi, block_t unusable)
{
int ovp_hole_segs =
(overprovision_segments(sbi) - reserved_segments(sbi));
+
+ if (F2FS_OPTION(sbi).unusable_cap_perc == 100)
+ return 0;
if (unusable > F2FS_OPTION(sbi).unusable_cap)
return -EAGAIN;
if (is_sbi_flag_set(sbi, SBI_CP_DISABLED_QUICK) &&
dirty_segments(sbi) > ovp_hole_segs)
return -EAGAIN;
+ if (has_not_enough_free_secs(sbi, 0, 0))
+ return -EAGAIN;
return 0;
}
@@ -1132,8 +1140,7 @@ static void __check_sit_bitmap(struct f2fs_sb_info *sbi,
struct seg_entry *sentry;
unsigned int segno;
block_t blk = start;
- unsigned long offset, size, max_blocks = sbi->blocks_per_seg;
- unsigned long *map;
+ unsigned long offset, size, *map;
while (blk < end) {
segno = GET_SEGNO(sbi, blk);
@@ -1143,7 +1150,7 @@ static void __check_sit_bitmap(struct f2fs_sb_info *sbi,
if (end < START_BLOCK(sbi, segno + 1))
size = GET_BLKOFF_FROM_SEG0(sbi, end);
else
- size = max_blocks;
+ size = BLKS_PER_SEG(sbi);
map = (unsigned long *)(sentry->cur_valid_map);
offset = __find_rev_next_bit(map, size, offset);
f2fs_bug_on(sbi, offset != size);
@@ -2048,7 +2055,6 @@ static bool add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc,
bool check_only)
{
int entries = SIT_VBLOCK_MAP_SIZE / sizeof(unsigned long);
- int max_blocks = sbi->blocks_per_seg;
struct seg_entry *se = get_seg_entry(sbi, cpc->trim_start);
unsigned long *cur_map = (unsigned long *)se->cur_valid_map;
unsigned long *ckpt_map = (unsigned long *)se->ckpt_valid_map;
@@ -2060,8 +2066,9 @@ static bool add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc,
struct list_head *head = &SM_I(sbi)->dcc_info->entry_list;
int i;
- if (se->valid_blocks == max_blocks || !f2fs_hw_support_discard(sbi) ||
- !f2fs_block_unit_discard(sbi))
+ if (se->valid_blocks == BLKS_PER_SEG(sbi) ||
+ !f2fs_hw_support_discard(sbi) ||
+ !f2fs_block_unit_discard(sbi))
return false;
if (!force) {
@@ -2078,13 +2085,14 @@ static bool add_discard_addrs(struct f2fs_sb_info *sbi, struct cp_control *cpc,
while (force || SM_I(sbi)->dcc_info->nr_discards <=
SM_I(sbi)->dcc_info->max_discards) {
- start = __find_rev_next_bit(dmap, max_blocks, end + 1);
- if (start >= max_blocks)
+ start = __find_rev_next_bit(dmap, BLKS_PER_SEG(sbi), end + 1);
+ if (start >= BLKS_PER_SEG(sbi))
break;
- end = __find_rev_next_zero_bit(dmap, max_blocks, start + 1);
- if (force && start && end != max_blocks
- && (end - start) < cpc->trim_minlen)
+ end = __find_rev_next_zero_bit(dmap,
+ BLKS_PER_SEG(sbi), start + 1);
+ if (force && start && end != BLKS_PER_SEG(sbi) &&
+ (end - start) < cpc->trim_minlen)
continue;
if (check_only)
@@ -2166,8 +2174,8 @@ void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi,
start + 1);
if (section_alignment) {
- start = rounddown(start, sbi->segs_per_sec);
- end = roundup(end, sbi->segs_per_sec);
+ start = rounddown(start, SEGS_PER_SEC(sbi));
+ end = roundup(end, SEGS_PER_SEC(sbi));
}
for (i = start; i < end; i++) {
@@ -2186,7 +2194,7 @@ void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi,
if (!f2fs_sb_has_blkzoned(sbi) &&
(!f2fs_lfs_mode(sbi) || !__is_large_section(sbi))) {
f2fs_issue_discard(sbi, START_BLOCK(sbi, start),
- (end - start) << sbi->log_blocks_per_seg);
+ SEGS_TO_BLKS(sbi, end - start));
continue;
}
next:
@@ -2195,9 +2203,9 @@ next:
if (!IS_CURSEC(sbi, secno) &&
!get_valid_blocks(sbi, start, true))
f2fs_issue_discard(sbi, START_BLOCK(sbi, start_segno),
- sbi->segs_per_sec << sbi->log_blocks_per_seg);
+ BLKS_PER_SEC(sbi));
- start = start_segno + sbi->segs_per_sec;
+ start = start_segno + SEGS_PER_SEC(sbi);
if (start < end)
goto next;
else
@@ -2216,7 +2224,7 @@ next:
find_next:
if (is_valid) {
next_pos = find_next_zero_bit_le(entry->discard_map,
- sbi->blocks_per_seg, cur_pos);
+ BLKS_PER_SEG(sbi), cur_pos);
len = next_pos - cur_pos;
if (f2fs_sb_has_blkzoned(sbi) ||
@@ -2228,13 +2236,13 @@ find_next:
total_len += len;
} else {
next_pos = find_next_bit_le(entry->discard_map,
- sbi->blocks_per_seg, cur_pos);
+ BLKS_PER_SEG(sbi), cur_pos);
}
skip:
cur_pos = next_pos;
is_valid = !is_valid;
- if (cur_pos < sbi->blocks_per_seg)
+ if (cur_pos < BLKS_PER_SEG(sbi))
goto find_next;
release_discard_addr(entry);
@@ -2251,6 +2259,12 @@ int f2fs_start_discard_thread(struct f2fs_sb_info *sbi)
struct discard_cmd_control *dcc = SM_I(sbi)->dcc_info;
int err = 0;
+ if (f2fs_sb_has_readonly(sbi)) {
+ f2fs_info(sbi,
+ "Skip to start discard thread for readonly image");
+ return 0;
+ }
+
if (!f2fs_realtime_discard_enable(sbi))
return 0;
@@ -2283,7 +2297,7 @@ static int create_discard_cmd_control(struct f2fs_sb_info *sbi)
dcc->max_ordered_discard = DEFAULT_MAX_ORDERED_DISCARD_GRANULARITY;
dcc->discard_io_aware = DPOLICY_IO_AWARE_ENABLE;
if (F2FS_OPTION(sbi).discard_unit == DISCARD_UNIT_SEGMENT)
- dcc->discard_granularity = sbi->blocks_per_seg;
+ dcc->discard_granularity = BLKS_PER_SEG(sbi);
else if (F2FS_OPTION(sbi).discard_unit == DISCARD_UNIT_SECTION)
dcc->discard_granularity = BLKS_PER_SEC(sbi);
@@ -2297,7 +2311,7 @@ static int create_discard_cmd_control(struct f2fs_sb_info *sbi)
atomic_set(&dcc->queued_discard, 0);
atomic_set(&dcc->discard_cmd_cnt, 0);
dcc->nr_discards = 0;
- dcc->max_discards = MAIN_SEGS(sbi) << sbi->log_blocks_per_seg;
+ dcc->max_discards = SEGS_TO_BLKS(sbi, MAIN_SEGS(sbi));
dcc->max_discard_request = DEF_MAX_DISCARD_REQUEST;
dcc->min_discard_issue_time = DEF_MIN_DISCARD_ISSUE_TIME;
dcc->mid_discard_issue_time = DEF_MID_DISCARD_ISSUE_TIME;
@@ -2405,6 +2419,8 @@ static void update_sit_entry(struct f2fs_sb_info *sbi, block_t blkaddr, int del)
#endif
segno = GET_SEGNO(sbi, blkaddr);
+ if (segno == NULL_SEGNO)
+ return;
se = get_seg_entry(sbi, segno);
new_vblocks = se->valid_blocks + del;
@@ -2546,7 +2562,7 @@ static unsigned short f2fs_curseg_valid_blocks(struct f2fs_sb_info *sbi, int typ
struct curseg_info *curseg = CURSEG_I(sbi, type);
if (sbi->ckpt->alloc_type[type] == SSR)
- return sbi->blocks_per_seg;
+ return BLKS_PER_SEG(sbi);
return curseg->next_blkoff;
}
@@ -2634,7 +2650,7 @@ static int is_next_segment_free(struct f2fs_sb_info *sbi,
unsigned int segno = curseg->segno + 1;
struct free_segmap_info *free_i = FREE_I(sbi);
- if (segno < MAIN_SEGS(sbi) && segno % sbi->segs_per_sec)
+ if (segno < MAIN_SEGS(sbi) && segno % SEGS_PER_SEC(sbi))
return !test_bit(segno, free_i->free_segmap);
return 0;
}
@@ -2643,54 +2659,51 @@ static int is_next_segment_free(struct f2fs_sb_info *sbi,
* Find a new segment from the free segments bitmap to right order
* This function should be returned with success, otherwise BUG
*/
-static void get_new_segment(struct f2fs_sb_info *sbi,
- unsigned int *newseg, bool new_sec, int dir)
+static int get_new_segment(struct f2fs_sb_info *sbi,
+ unsigned int *newseg, bool new_sec, bool pinning)
{
struct free_segmap_info *free_i = FREE_I(sbi);
unsigned int segno, secno, zoneno;
unsigned int total_zones = MAIN_SECS(sbi) / sbi->secs_per_zone;
unsigned int hint = GET_SEC_FROM_SEG(sbi, *newseg);
unsigned int old_zoneno = GET_ZONE_FROM_SEG(sbi, *newseg);
- unsigned int left_start = hint;
bool init = true;
- int go_left = 0;
int i;
+ int ret = 0;
spin_lock(&free_i->segmap_lock);
- if (!new_sec && ((*newseg + 1) % sbi->segs_per_sec)) {
+ if (time_to_inject(sbi, FAULT_NO_SEGMENT)) {
+ ret = -ENOSPC;
+ goto out_unlock;
+ }
+
+ if (!new_sec && ((*newseg + 1) % SEGS_PER_SEC(sbi))) {
segno = find_next_zero_bit(free_i->free_segmap,
GET_SEG_FROM_SEC(sbi, hint + 1), *newseg + 1);
if (segno < GET_SEG_FROM_SEC(sbi, hint + 1))
goto got_it;
}
+
+ /*
+ * If we format f2fs on zoned storage, let's try to get pinned sections
+ * from beginning of the storage, which should be a conventional one.
+ */
+ if (f2fs_sb_has_blkzoned(sbi)) {
+ segno = pinning ? 0 : max(first_zoned_segno(sbi), *newseg);
+ hint = GET_SEC_FROM_SEG(sbi, segno);
+ }
+
find_other_zone:
secno = find_next_zero_bit(free_i->free_secmap, MAIN_SECS(sbi), hint);
if (secno >= MAIN_SECS(sbi)) {
- if (dir == ALLOC_RIGHT) {
- secno = find_first_zero_bit(free_i->free_secmap,
+ secno = find_first_zero_bit(free_i->free_secmap,
MAIN_SECS(sbi));
- f2fs_bug_on(sbi, secno >= MAIN_SECS(sbi));
- } else {
- go_left = 1;
- left_start = hint - 1;
+ if (secno >= MAIN_SECS(sbi)) {
+ ret = -ENOSPC;
+ goto out_unlock;
}
}
- if (go_left == 0)
- goto skip_left;
-
- while (test_bit(left_start, free_i->free_secmap)) {
- if (left_start > 0) {
- left_start--;
- continue;
- }
- left_start = find_first_zero_bit(free_i->free_secmap,
- MAIN_SECS(sbi));
- f2fs_bug_on(sbi, left_start >= MAIN_SECS(sbi));
- break;
- }
- secno = left_start;
-skip_left:
segno = GET_SEG_FROM_SEC(sbi, secno);
zoneno = GET_ZONE_FROM_SEC(sbi, secno);
@@ -2701,21 +2714,13 @@ skip_left:
goto got_it;
if (zoneno == old_zoneno)
goto got_it;
- if (dir == ALLOC_LEFT) {
- if (!go_left && zoneno + 1 >= total_zones)
- goto got_it;
- if (go_left && zoneno == 0)
- goto got_it;
- }
for (i = 0; i < NR_CURSEG_TYPE; i++)
if (CURSEG_I(sbi, i)->zone == zoneno)
break;
if (i < NR_CURSEG_TYPE) {
/* zone is in user, try another */
- if (go_left)
- hint = zoneno * sbi->secs_per_zone - 1;
- else if (zoneno + 1 >= total_zones)
+ if (zoneno + 1 >= total_zones)
hint = 0;
else
hint = (zoneno + 1) * sbi->secs_per_zone;
@@ -2725,9 +2730,23 @@ skip_left:
got_it:
/* set it as dirty segment in free segmap */
f2fs_bug_on(sbi, test_bit(segno, free_i->free_segmap));
+
+ /* no free section in conventional zone */
+ if (new_sec && pinning &&
+ !f2fs_valid_pinned_area(sbi, START_BLOCK(sbi, segno))) {
+ ret = -EAGAIN;
+ goto out_unlock;
+ }
__set_inuse(sbi, segno);
*newseg = segno;
+out_unlock:
spin_unlock(&free_i->segmap_lock);
+
+ if (ret == -ENOSPC) {
+ f2fs_stop_checkpoint(sbi, false, STOP_CP_REASON_NO_SEGMENT);
+ f2fs_bug_on(sbi, 1);
+ }
+ return ret;
}
static void reset_curseg(struct f2fs_sb_info *sbi, int type, int modified)
@@ -2736,6 +2755,10 @@ static void reset_curseg(struct f2fs_sb_info *sbi, int type, int modified)
struct summary_footer *sum_footer;
unsigned short seg_type = curseg->seg_type;
+ /* only happen when get_new_segment() fails */
+ if (curseg->next_segno == NULL_SEGNO)
+ return;
+
curseg->inited = true;
curseg->segno = curseg->next_segno;
curseg->zone = GET_ZONE_FROM_SEG(sbi, curseg->segno);
@@ -2761,9 +2784,8 @@ static unsigned int __get_next_segno(struct f2fs_sb_info *sbi, int type)
sanity_check_seg_type(sbi, seg_type);
if (f2fs_need_rand_seg(sbi))
- return get_random_u32_below(MAIN_SECS(sbi) * sbi->segs_per_sec);
+ return get_random_u32_below(MAIN_SECS(sbi) * SEGS_PER_SEC(sbi));
- /* if segs_per_sec is large than 1, we need to keep original policy. */
if (__is_large_section(sbi))
return curseg->segno;
@@ -2774,8 +2796,7 @@ static unsigned int __get_next_segno(struct f2fs_sb_info *sbi, int type)
if (unlikely(is_sbi_flag_set(sbi, SBI_CP_DISABLED)))
return 0;
- if (test_opt(sbi, NOHEAP) &&
- (seg_type == CURSEG_HOT_DATA || IS_NODESEG(seg_type)))
+ if (seg_type == CURSEG_HOT_DATA || IS_NODESEG(seg_type))
return 0;
if (SIT_I(sbi)->last_victim[ALLOC_NEXT])
@@ -2792,30 +2813,31 @@ static unsigned int __get_next_segno(struct f2fs_sb_info *sbi, int type)
* Allocate a current working segment.
* This function always allocates a free segment in LFS manner.
*/
-static void new_curseg(struct f2fs_sb_info *sbi, int type, bool new_sec)
+static int new_curseg(struct f2fs_sb_info *sbi, int type, bool new_sec)
{
struct curseg_info *curseg = CURSEG_I(sbi, type);
- unsigned short seg_type = curseg->seg_type;
unsigned int segno = curseg->segno;
- int dir = ALLOC_LEFT;
+ bool pinning = type == CURSEG_COLD_DATA_PINNED;
+ int ret;
if (curseg->inited)
- write_sum_page(sbi, curseg->sum_blk,
- GET_SUM_BLOCK(sbi, segno));
- if (seg_type == CURSEG_WARM_DATA || seg_type == CURSEG_COLD_DATA)
- dir = ALLOC_RIGHT;
-
- if (test_opt(sbi, NOHEAP))
- dir = ALLOC_RIGHT;
+ write_sum_page(sbi, curseg->sum_blk, GET_SUM_BLOCK(sbi, segno));
segno = __get_next_segno(sbi, type);
- get_new_segment(sbi, &segno, new_sec, dir);
+ ret = get_new_segment(sbi, &segno, new_sec, pinning);
+ if (ret) {
+ if (ret == -ENOSPC)
+ curseg->segno = NULL_SEGNO;
+ return ret;
+ }
+
curseg->next_segno = segno;
reset_curseg(sbi, type, 1);
curseg->alloc_type = LFS;
if (F2FS_OPTION(sbi).fs_mode == FS_MODE_FRAGMENT_BLK)
curseg->fragment_remained_chunk =
get_random_u32_inclusive(1, sbi->max_fragment_chunk);
+ return 0;
}
static int __next_free_blkoff(struct f2fs_sb_info *sbi,
@@ -2831,7 +2853,7 @@ static int __next_free_blkoff(struct f2fs_sb_info *sbi,
for (i = 0; i < entries; i++)
target_map[i] = ckpt_map[i] | cur_map[i];
- return __find_rev_next_zero_bit(target_map, sbi->blocks_per_seg, start);
+ return __find_rev_next_zero_bit(target_map, BLKS_PER_SEG(sbi), start);
}
static int f2fs_find_next_ssr_block(struct f2fs_sb_info *sbi,
@@ -2842,14 +2864,14 @@ static int f2fs_find_next_ssr_block(struct f2fs_sb_info *sbi,
bool f2fs_segment_has_free_slot(struct f2fs_sb_info *sbi, int segno)
{
- return __next_free_blkoff(sbi, segno, 0) < sbi->blocks_per_seg;
+ return __next_free_blkoff(sbi, segno, 0) < BLKS_PER_SEG(sbi);
}
/*
* This function always allocates a used segment(from dirty seglist) by SSR
* manner, so it should recover the existing segment information of valid blocks
*/
-static void change_curseg(struct f2fs_sb_info *sbi, int type)
+static int change_curseg(struct f2fs_sb_info *sbi, int type)
{
struct dirty_seglist_info *dirty_i = DIRTY_I(sbi);
struct curseg_info *curseg = CURSEG_I(sbi, type);
@@ -2874,21 +2896,23 @@ static void change_curseg(struct f2fs_sb_info *sbi, int type)
if (IS_ERR(sum_page)) {
/* GC won't be able to use stale summary pages by cp_error */
memset(curseg->sum_blk, 0, SUM_ENTRY_SIZE);
- return;
+ return PTR_ERR(sum_page);
}
sum_node = (struct f2fs_summary_block *)page_address(sum_page);
memcpy(curseg->sum_blk, sum_node, SUM_ENTRY_SIZE);
f2fs_put_page(sum_page, 1);
+ return 0;
}
static int get_ssr_segment(struct f2fs_sb_info *sbi, int type,
int alloc_mode, unsigned long long age);
-static void get_atssr_segment(struct f2fs_sb_info *sbi, int type,
+static int get_atssr_segment(struct f2fs_sb_info *sbi, int type,
int target_type, int alloc_mode,
unsigned long long age)
{
struct curseg_info *curseg = CURSEG_I(sbi, type);
+ int ret = 0;
curseg->seg_type = target_type;
@@ -2896,38 +2920,41 @@ static void get_atssr_segment(struct f2fs_sb_info *sbi, int type,
struct seg_entry *se = get_seg_entry(sbi, curseg->next_segno);
curseg->seg_type = se->type;
- change_curseg(sbi, type);
+ ret = change_curseg(sbi, type);
} else {
/* allocate cold segment by default */
curseg->seg_type = CURSEG_COLD_DATA;
- new_curseg(sbi, type, true);
+ ret = new_curseg(sbi, type, true);
}
stat_inc_seg_type(sbi, curseg);
+ return ret;
}
-static void __f2fs_init_atgc_curseg(struct f2fs_sb_info *sbi)
+static int __f2fs_init_atgc_curseg(struct f2fs_sb_info *sbi)
{
struct curseg_info *curseg = CURSEG_I(sbi, CURSEG_ALL_DATA_ATGC);
+ int ret = 0;
if (!sbi->am.atgc_enabled)
- return;
+ return 0;
f2fs_down_read(&SM_I(sbi)->curseg_lock);
mutex_lock(&curseg->curseg_mutex);
down_write(&SIT_I(sbi)->sentry_lock);
- get_atssr_segment(sbi, CURSEG_ALL_DATA_ATGC, CURSEG_COLD_DATA, SSR, 0);
+ ret = get_atssr_segment(sbi, CURSEG_ALL_DATA_ATGC,
+ CURSEG_COLD_DATA, SSR, 0);
up_write(&SIT_I(sbi)->sentry_lock);
mutex_unlock(&curseg->curseg_mutex);
f2fs_up_read(&SM_I(sbi)->curseg_lock);
-
+ return ret;
}
-void f2fs_init_inmem_curseg(struct f2fs_sb_info *sbi)
+int f2fs_init_inmem_curseg(struct f2fs_sb_info *sbi)
{
- __f2fs_init_atgc_curseg(sbi);
+ return __f2fs_init_atgc_curseg(sbi);
}
static void __f2fs_save_inmem_curseg(struct f2fs_sb_info *sbi, int type)
@@ -3055,11 +3082,12 @@ static bool need_new_seg(struct f2fs_sb_info *sbi, int type)
return false;
}
-void f2fs_allocate_segment_for_resize(struct f2fs_sb_info *sbi, int type,
+int f2fs_allocate_segment_for_resize(struct f2fs_sb_info *sbi, int type,
unsigned int start, unsigned int end)
{
struct curseg_info *curseg = CURSEG_I(sbi, type);
unsigned int segno;
+ int ret = 0;
f2fs_down_read(&SM_I(sbi)->curseg_lock);
mutex_lock(&curseg->curseg_mutex);
@@ -3070,9 +3098,9 @@ void f2fs_allocate_segment_for_resize(struct f2fs_sb_info *sbi, int type,
goto unlock;
if (f2fs_need_SSR(sbi) && get_ssr_segment(sbi, type, SSR, 0))
- change_curseg(sbi, type);
+ ret = change_curseg(sbi, type);
else
- new_curseg(sbi, type, true);
+ ret = new_curseg(sbi, type, true);
stat_inc_seg_type(sbi, curseg);
@@ -3086,45 +3114,84 @@ unlock:
mutex_unlock(&curseg->curseg_mutex);
f2fs_up_read(&SM_I(sbi)->curseg_lock);
+ return ret;
}
-static void __allocate_new_segment(struct f2fs_sb_info *sbi, int type,
+static int __allocate_new_segment(struct f2fs_sb_info *sbi, int type,
bool new_sec, bool force)
{
struct curseg_info *curseg = CURSEG_I(sbi, type);
unsigned int old_segno;
+ int err = 0;
+
+ if (type == CURSEG_COLD_DATA_PINNED && !curseg->inited)
+ goto allocate;
if (!force && curseg->inited &&
!curseg->next_blkoff &&
!get_valid_blocks(sbi, curseg->segno, new_sec) &&
!get_ckpt_valid_blocks(sbi, curseg->segno, new_sec))
- return;
+ return 0;
+allocate:
old_segno = curseg->segno;
- new_curseg(sbi, type, true);
+ err = new_curseg(sbi, type, true);
+ if (err)
+ return err;
stat_inc_seg_type(sbi, curseg);
locate_dirty_segment(sbi, old_segno);
+ return 0;
}
-void f2fs_allocate_new_section(struct f2fs_sb_info *sbi, int type, bool force)
+int f2fs_allocate_new_section(struct f2fs_sb_info *sbi, int type, bool force)
{
+ int ret;
+
f2fs_down_read(&SM_I(sbi)->curseg_lock);
down_write(&SIT_I(sbi)->sentry_lock);
- __allocate_new_segment(sbi, type, true, force);
+ ret = __allocate_new_segment(sbi, type, true, force);
up_write(&SIT_I(sbi)->sentry_lock);
f2fs_up_read(&SM_I(sbi)->curseg_lock);
+
+ return ret;
}
-void f2fs_allocate_new_segments(struct f2fs_sb_info *sbi)
+int f2fs_allocate_pinning_section(struct f2fs_sb_info *sbi)
+{
+ int err;
+ bool gc_required = true;
+
+retry:
+ f2fs_lock_op(sbi);
+ err = f2fs_allocate_new_section(sbi, CURSEG_COLD_DATA_PINNED, false);
+ f2fs_unlock_op(sbi);
+
+ 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);
+ f2fs_up_write(&sbi->gc_lock);
+
+ gc_required = false;
+ if (!err)
+ goto retry;
+ }
+
+ return err;
+}
+
+int f2fs_allocate_new_segments(struct f2fs_sb_info *sbi)
{
int i;
+ int err = 0;
f2fs_down_read(&SM_I(sbi)->curseg_lock);
down_write(&SIT_I(sbi)->sentry_lock);
for (i = CURSEG_HOT_DATA; i <= CURSEG_COLD_DATA; i++)
- __allocate_new_segment(sbi, i, false, false);
+ err += __allocate_new_segment(sbi, i, false, false);
up_write(&SIT_I(sbi)->sentry_lock);
f2fs_up_read(&SM_I(sbi)->curseg_lock);
+
+ return err;
}
bool f2fs_exist_trim_candidates(struct f2fs_sb_info *sbi,
@@ -3242,8 +3309,8 @@ int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range)
end_segno = (end >= MAX_BLKADDR(sbi)) ? MAIN_SEGS(sbi) - 1 :
GET_SEGNO(sbi, end);
if (need_align) {
- start_segno = rounddown(start_segno, sbi->segs_per_sec);
- end_segno = roundup(end_segno + 1, sbi->segs_per_sec) - 1;
+ start_segno = rounddown(start_segno, SEGS_PER_SEC(sbi));
+ end_segno = roundup(end_segno + 1, SEGS_PER_SEC(sbi)) - 1;
}
cpc.reason = CP_DISCARD;
@@ -3416,7 +3483,14 @@ static void f2fs_randomize_chunk(struct f2fs_sb_info *sbi,
get_random_u32_inclusive(1, sbi->max_fragment_hole);
}
-void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
+static void reset_curseg_fields(struct curseg_info *curseg)
+{
+ curseg->inited = false;
+ curseg->segno = NULL_SEGNO;
+ curseg->next_segno = 0;
+}
+
+int f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
block_t old_blkaddr, block_t *new_blkaddr,
struct f2fs_summary *sum, int type,
struct f2fs_io_info *fio)
@@ -3427,12 +3501,18 @@ void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
bool from_gc = (type == CURSEG_ALL_DATA_ATGC);
struct seg_entry *se = NULL;
bool segment_full = false;
+ int ret = 0;
f2fs_down_read(&SM_I(sbi)->curseg_lock);
mutex_lock(&curseg->curseg_mutex);
down_write(&sit_i->sentry_lock);
+ if (curseg->segno == NULL_SEGNO) {
+ ret = -ENOSPC;
+ goto out_err;
+ }
+
if (from_gc) {
f2fs_bug_on(sbi, GET_SEGNO(sbi, old_blkaddr) == NULL_SEGNO);
se = get_seg_entry(sbi, GET_SEGNO(sbi, old_blkaddr));
@@ -3441,7 +3521,7 @@ void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
}
*new_blkaddr = NEXT_FREE_BLKADDR(sbi, curseg);
- f2fs_bug_on(sbi, curseg->next_blkoff >= sbi->blocks_per_seg);
+ f2fs_bug_on(sbi, curseg->next_blkoff >= BLKS_PER_SEG(sbi));
f2fs_wait_discard_bio(sbi, *new_blkaddr);
@@ -3470,25 +3550,35 @@ void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
* since SSR needs latest valid block information.
*/
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, old_blkaddr, -1);
/*
* If the current segment is full, flush it out and replace it with a
* new segment.
*/
if (segment_full) {
+ if (type == CURSEG_COLD_DATA_PINNED &&
+ !((curseg->segno + 1) % sbi->segs_per_sec)) {
+ reset_curseg_fields(curseg);
+ goto skip_new_segment;
+ }
+
if (from_gc) {
- get_atssr_segment(sbi, type, se->type,
+ ret = get_atssr_segment(sbi, type, se->type,
AT_SSR, se->mtime);
} else {
if (need_new_seg(sbi, type))
- new_curseg(sbi, type, false);
+ ret = new_curseg(sbi, type, false);
else
- change_curseg(sbi, type);
+ ret = change_curseg(sbi, type);
stat_inc_seg_type(sbi, curseg);
}
+
+ if (ret)
+ goto out_err;
}
+
+skip_new_segment:
/*
* segment dirty status should be updated after segment allocation,
* so we just need to update status only one time after previous
@@ -3497,12 +3587,12 @@ void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
locate_dirty_segment(sbi, GET_SEGNO(sbi, old_blkaddr));
locate_dirty_segment(sbi, GET_SEGNO(sbi, *new_blkaddr));
- if (IS_DATASEG(type))
+ if (IS_DATASEG(curseg->seg_type))
atomic64_inc(&sbi->allocated_data_blocks);
up_write(&sit_i->sentry_lock);
- if (page && IS_NODESEG(type)) {
+ if (page && IS_NODESEG(curseg->seg_type)) {
fill_node_footer_blkaddr(page, NEXT_FREE_BLKADDR(sbi, curseg));
f2fs_inode_chksum_set(sbi, page);
@@ -3511,9 +3601,6 @@ void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
if (fio) {
struct f2fs_bio_info *io;
- if (F2FS_IO_ALIGNED(sbi))
- fio->retry = 0;
-
INIT_LIST_HEAD(&fio->list);
fio->in_list = 1;
io = sbi->write_io[fio->type] + fio->temp;
@@ -3523,8 +3610,15 @@ void f2fs_allocate_data_block(struct f2fs_sb_info *sbi, struct page *page,
}
mutex_unlock(&curseg->curseg_mutex);
-
f2fs_up_read(&SM_I(sbi)->curseg_lock);
+ return 0;
+out_err:
+ *new_blkaddr = NULL_ADDR;
+ up_write(&sit_i->sentry_lock);
+ mutex_unlock(&curseg->curseg_mutex);
+ f2fs_up_read(&SM_I(sbi)->curseg_lock);
+ return ret;
+
}
void f2fs_update_device_state(struct f2fs_sb_info *sbi, nid_t ino,
@@ -3561,21 +3655,25 @@ static void do_write_page(struct f2fs_summary *sum, struct f2fs_io_info *fio)
if (keep_order)
f2fs_down_read(&fio->sbi->io_order_lock);
-reallocate:
- f2fs_allocate_data_block(fio->sbi, fio->page, fio->old_blkaddr,
- &fio->new_blkaddr, sum, type, fio);
+
+ if (f2fs_allocate_data_block(fio->sbi, fio->page, fio->old_blkaddr,
+ &fio->new_blkaddr, sum, type, fio)) {
+ if (fscrypt_inode_uses_fs_layer_crypto(fio->page->mapping->host))
+ fscrypt_finalize_bounce_page(&fio->encrypted_page);
+ if (PageWriteback(fio->page))
+ end_page_writeback(fio->page);
+ if (f2fs_in_warm_node_list(fio->sbi, fio->page))
+ f2fs_del_fsync_node_entry(fio->sbi, fio->page);
+ goto out;
+ }
if (GET_SEGNO(fio->sbi, fio->old_blkaddr) != NULL_SEGNO)
f2fs_invalidate_internal_cache(fio->sbi, fio->old_blkaddr);
/* writeout dirty page into bdev */
f2fs_submit_page_write(fio);
- if (fio->retry) {
- fio->old_blkaddr = fio->new_blkaddr;
- goto reallocate;
- }
f2fs_update_device_state(fio->sbi, fio->ino, fio->new_blkaddr, 1);
-
+out:
if (keep_order)
f2fs_up_read(&fio->sbi->io_order_lock);
}
@@ -3659,8 +3757,7 @@ int f2fs_inplace_write_data(struct f2fs_io_info *fio)
}
if (fio->post_read)
- invalidate_mapping_pages(META_MAPPING(sbi),
- fio->new_blkaddr, fio->new_blkaddr);
+ f2fs_truncate_meta_inode_pages(sbi, fio->new_blkaddr, 1);
stat_inc_inplace_blocks(fio->sbi);
@@ -3749,7 +3846,8 @@ void f2fs_do_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
/* change the current segment */
if (segno != curseg->segno) {
curseg->next_segno = segno;
- change_curseg(sbi, type);
+ if (change_curseg(sbi, type))
+ goto out_unlock;
}
curseg->next_blkoff = GET_BLKOFF_FROM_SEG0(sbi, new_blkaddr);
@@ -3775,12 +3873,14 @@ void f2fs_do_replace_block(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
if (recover_curseg) {
if (old_cursegno != curseg->segno) {
curseg->next_segno = old_cursegno;
- change_curseg(sbi, type);
+ if (change_curseg(sbi, type))
+ goto out_unlock;
}
curseg->next_blkoff = old_blkoff;
curseg->alloc_type = old_alloc_type;
}
+out_unlock:
up_write(&sit_i->sentry_lock);
mutex_unlock(&curseg->curseg_mutex);
f2fs_up_write(&SM_I(sbi)->curseg_lock);
@@ -3850,7 +3950,7 @@ void f2fs_wait_on_block_writeback_range(struct inode *inode, block_t blkaddr,
for (i = 0; i < len; i++)
f2fs_wait_on_block_writeback(inode, blkaddr + i);
- invalidate_mapping_pages(META_MAPPING(sbi), blkaddr, blkaddr + len - 1);
+ f2fs_truncate_meta_inode_pages(sbi, blkaddr, len);
}
static int read_compacted_summaries(struct f2fs_sb_info *sbi)
@@ -3892,7 +3992,7 @@ static int read_compacted_summaries(struct f2fs_sb_info *sbi)
seg_i->next_blkoff = blk_off;
if (seg_i->alloc_type == SSR)
- blk_off = sbi->blocks_per_seg;
+ blk_off = BLKS_PER_SEG(sbi);
for (j = 0; j < blk_off; j++) {
struct f2fs_summary *s;
@@ -3960,7 +4060,7 @@ static int read_normal_summaries(struct f2fs_sb_info *sbi, int type)
struct f2fs_summary *ns = &sum->entries[0];
int i;
- for (i = 0; i < sbi->blocks_per_seg; i++, ns++) {
+ for (i = 0; i < BLKS_PER_SEG(sbi); i++, ns++) {
ns->version = 0;
ns->ofs_in_node = 0;
}
@@ -4466,7 +4566,7 @@ static int build_sit_info(struct f2fs_sb_info *sbi)
#endif
sit_i->sit_base_addr = le32_to_cpu(raw_super->sit_blkaddr);
- sit_i->sit_blocks = sit_segs << sbi->log_blocks_per_seg;
+ sit_i->sit_blocks = SEGS_TO_BLKS(sbi, sit_segs);
sit_i->written_valid_blocks = 0;
sit_i->bitmap_size = sit_bitmap_size;
sit_i->dirty_sentries = 0;
@@ -4539,9 +4639,7 @@ static int build_curseg(struct f2fs_sb_info *sbi)
array[i].seg_type = CURSEG_COLD_DATA;
else if (i == CURSEG_ALL_DATA_ATGC)
array[i].seg_type = CURSEG_COLD_DATA;
- array[i].segno = NULL_SEGNO;
- array[i].next_blkoff = 0;
- array[i].inited = false;
+ reset_curseg_fields(&array[i]);
}
return restore_curseg_summaries(sbi);
}
@@ -4593,21 +4691,20 @@ static int build_sit_entries(struct f2fs_sb_info *sbi)
sit_valid_blocks[SE_PAGETYPE(se)] += se->valid_blocks;
- if (f2fs_block_unit_discard(sbi)) {
- /* build discard map only one time */
- if (is_set_ckpt_flags(sbi, CP_TRIMMED_FLAG)) {
- memset(se->discard_map, 0xff,
+ if (!f2fs_block_unit_discard(sbi))
+ goto init_discard_map_done;
+
+ /* build discard map only one time */
+ if (is_set_ckpt_flags(sbi, CP_TRIMMED_FLAG)) {
+ memset(se->discard_map, 0xff,
SIT_VBLOCK_MAP_SIZE);
- } else {
- memcpy(se->discard_map,
- se->cur_valid_map,
+ goto init_discard_map_done;
+ }
+ memcpy(se->discard_map, se->cur_valid_map,
SIT_VBLOCK_MAP_SIZE);
- sbi->discard_blks +=
- sbi->blocks_per_seg -
+ sbi->discard_blks += BLKS_PER_SEG(sbi) -
se->valid_blocks;
- }
- }
-
+init_discard_map_done:
if (__is_large_section(sbi))
get_sec_entry(sbi, start)->valid_blocks +=
se->valid_blocks;
@@ -4747,7 +4844,7 @@ static void init_dirty_segmap(struct f2fs_sb_info *sbi)
return;
mutex_lock(&dirty_i->seglist_lock);
- for (segno = 0; segno < MAIN_SEGS(sbi); segno += sbi->segs_per_sec) {
+ for (segno = 0; segno < MAIN_SEGS(sbi); segno += SEGS_PER_SEC(sbi)) {
valid_blocks = get_valid_blocks(sbi, segno, true);
secno = GET_SEC_FROM_SEG(sbi, segno);
@@ -4846,7 +4943,7 @@ static int sanity_check_curseg(struct f2fs_sb_info *sbi)
if (curseg->alloc_type == SSR)
continue;
- for (blkofs += 1; blkofs < sbi->blocks_per_seg; blkofs++) {
+ for (blkofs += 1; blkofs < BLKS_PER_SEG(sbi); blkofs++) {
if (!f2fs_test_bit(blkofs, se->cur_valid_map))
continue;
out:
@@ -4862,6 +4959,16 @@ out:
}
#ifdef CONFIG_BLK_DEV_ZONED
+static const char *f2fs_zone_status[BLK_ZONE_COND_OFFLINE + 1] = {
+ [BLK_ZONE_COND_NOT_WP] = "NOT_WP",
+ [BLK_ZONE_COND_EMPTY] = "EMPTY",
+ [BLK_ZONE_COND_IMP_OPEN] = "IMPLICIT_OPEN",
+ [BLK_ZONE_COND_EXP_OPEN] = "EXPLICIT_OPEN",
+ [BLK_ZONE_COND_CLOSED] = "CLOSED",
+ [BLK_ZONE_COND_READONLY] = "READONLY",
+ [BLK_ZONE_COND_FULL] = "FULL",
+ [BLK_ZONE_COND_OFFLINE] = "OFFLINE",
+};
static int check_zone_write_pointer(struct f2fs_sb_info *sbi,
struct f2fs_dev_info *fdev,
@@ -4883,14 +4990,19 @@ static int check_zone_write_pointer(struct f2fs_sb_info *sbi,
* Skip check of zones cursegs point to, since
* fix_curseg_write_pointer() checks them.
*/
- if (zone_segno >= MAIN_SEGS(sbi) ||
- IS_CURSEC(sbi, GET_SEC_FROM_SEG(sbi, zone_segno)))
+ if (zone_segno >= MAIN_SEGS(sbi))
return 0;
/*
* Get # of valid block of the zone.
*/
valid_block_cnt = get_valid_blocks(sbi, zone_segno, true);
+ if (IS_CURSEC(sbi, GET_SEC_FROM_SEG(sbi, zone_segno))) {
+ f2fs_notice(sbi, "Open zones: valid block[0x%x,0x%x] cond[%s]",
+ zone_segno, valid_block_cnt,
+ f2fs_zone_status[zone->cond]);
+ return 0;
+ }
if ((!valid_block_cnt && zone->cond == BLK_ZONE_COND_EMPTY) ||
(valid_block_cnt && zone->cond == BLK_ZONE_COND_FULL))
@@ -4898,8 +5010,8 @@ static int check_zone_write_pointer(struct f2fs_sb_info *sbi,
if (!valid_block_cnt) {
f2fs_notice(sbi, "Zone without valid block has non-zero write "
- "pointer. Reset the write pointer: cond[0x%x]",
- zone->cond);
+ "pointer. Reset the write pointer: cond[%s]",
+ f2fs_zone_status[zone->cond]);
ret = __f2fs_issue_discard_zone(sbi, fdev->bdev, zone_block,
zone->len >> log_sectors_per_block);
if (ret)
@@ -4916,8 +5028,8 @@ static int check_zone_write_pointer(struct f2fs_sb_info *sbi,
* selected for write operation until it get discarded.
*/
f2fs_notice(sbi, "Valid blocks are not aligned with write "
- "pointer: valid block[0x%x,0x%x] cond[0x%x]",
- zone_segno, valid_block_cnt, zone->cond);
+ "pointer: valid block[0x%x,0x%x] cond[%s]",
+ zone_segno, valid_block_cnt, f2fs_zone_status[zone->cond]);
nofs_flags = memalloc_nofs_save();
ret = blkdev_zone_mgmt(fdev->bdev, REQ_OP_ZONE_FINISH,
@@ -5128,7 +5240,7 @@ static inline unsigned int f2fs_usable_zone_blks_in_seg(
unsigned int secno;
if (!sbi->unusable_blocks_per_sec)
- return sbi->blocks_per_seg;
+ return BLKS_PER_SEG(sbi);
secno = GET_SEC_FROM_SEG(sbi, segno);
seg_start = START_BLOCK(sbi, segno);
@@ -5143,10 +5255,10 @@ static inline unsigned int f2fs_usable_zone_blks_in_seg(
*/
if (seg_start >= sec_cap_blkaddr)
return 0;
- if (seg_start + sbi->blocks_per_seg > sec_cap_blkaddr)
+ if (seg_start + BLKS_PER_SEG(sbi) > sec_cap_blkaddr)
return sec_cap_blkaddr - seg_start;
- return sbi->blocks_per_seg;
+ return BLKS_PER_SEG(sbi);
}
#else
int f2fs_fix_curseg_write_pointer(struct f2fs_sb_info *sbi)
@@ -5172,7 +5284,7 @@ unsigned int f2fs_usable_blks_in_seg(struct f2fs_sb_info *sbi,
if (f2fs_sb_has_blkzoned(sbi))
return f2fs_usable_zone_blks_in_seg(sbi, segno);
- return sbi->blocks_per_seg;
+ return BLKS_PER_SEG(sbi);
}
unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info *sbi,
@@ -5181,7 +5293,7 @@ unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info *sbi,
if (f2fs_sb_has_blkzoned(sbi))
return CAP_SEGS_PER_SEC(sbi);
- return sbi->segs_per_sec;
+ return SEGS_PER_SEC(sbi);
}
/*
@@ -5196,14 +5308,14 @@ 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 += sbi->segs_per_sec) {
+ for (segno = 0; segno < MAIN_SEGS(sbi); segno += SEGS_PER_SEC(sbi)) {
unsigned int i;
unsigned long long mtime = 0;
- for (i = 0; i < sbi->segs_per_sec; i++)
+ for (i = 0; i < SEGS_PER_SEC(sbi); i++)
mtime += get_seg_entry(sbi, segno + i)->mtime;
- mtime = div_u64(mtime, sbi->segs_per_sec);
+ mtime = div_u64(mtime, SEGS_PER_SEC(sbi));
if (sit_i->min_mtime > mtime)
sit_i->min_mtime = mtime;
@@ -5242,7 +5354,7 @@ int f2fs_build_segment_manager(struct f2fs_sb_info *sbi)
sm_info->ipu_policy = BIT(F2FS_IPU_FSYNC);
sm_info->min_ipu_util = DEF_MIN_IPU_UTIL;
sm_info->min_fsync_blocks = DEF_MIN_FSYNC_BLOCKS;
- sm_info->min_seq_blocks = sbi->blocks_per_seg;
+ sm_info->min_seq_blocks = BLKS_PER_SEG(sbi);
sm_info->min_hot_blocks = DEF_MIN_HOT_BLOCKS;
sm_info->min_ssr_sections = reserved_sections(sbi);
generated by cgit v1.2.3 (git 2.39.0) at 2025-11-04 06:39:25 +0300