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f2fs: zone: introduce first_zoned_segno in f2fs_sb_info

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first_zoned_segno() returns a fixed value, let's cache it in
structure f2fs_sb_info to avoid redundant calculation.

Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu 2024-10-18 14:26:36 +08:00 committed by Jaegeuk Kim
parent 128d333f0d
commit 5bc5aae843
4 changed files with 16 additions and 12 deletions
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1
fs/f2fs/f2fs.h
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@ -1759,6 +1759,7 @@ struct f2fs_sb_info {
unsigned int dirty_device; /* for checkpoint data flush */
spinlock_t dev_lock; /* protect dirty_device */
bool aligned_blksize; /* all devices has the same logical blksize */
unsigned int first_zoned_segno; /* first zoned segno */
/* For write statistics */
u64 sectors_written_start;

4
fs/f2fs/segment.c
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@ -2711,7 +2711,7 @@ 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 +2723,7 @@ 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,

10
fs/f2fs/segment.h
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@ -974,13 +974,3 @@ wake_up:
dcc->discard_wake = true;
wake_up_interruptible_all(&dcc->discard_wait_queue);
}
static inline unsigned int first_zoned_segno(struct f2fs_sb_info *sbi)
{
int devi;
for (devi = 0; devi < sbi->s_ndevs; devi++)
if (bdev_is_zoned(FDEV(devi).bdev))
return GET_SEGNO(sbi, FDEV(devi).start_blk);
return 0;
}

13
fs/f2fs/super.c
View File

@ -4221,6 +4221,16 @@ static void f2fs_record_error_work(struct work_struct *work)
f2fs_record_stop_reason(sbi);
}
static inline unsigned int get_first_zoned_segno(struct f2fs_sb_info *sbi)
{
int devi;
for (devi = 0; devi < sbi->s_ndevs; devi++)
if (bdev_is_zoned(FDEV(devi).bdev))
return GET_SEGNO(sbi, FDEV(devi).start_blk);
return 0;
}
static int f2fs_scan_devices(struct f2fs_sb_info *sbi)
{
struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi);
@ -4621,6 +4631,9 @@ try_onemore:
/* For write statistics */
sbi->sectors_written_start = f2fs_get_sectors_written(sbi);
/* get segno of first zoned block device */
sbi->first_zoned_segno = get_first_zoned_segno(sbi);
/* Read accumulated write IO statistics if exists */
seg_i = CURSEG_I(sbi, CURSEG_HOT_NODE);
if (__exist_node_summaries(sbi))