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f2fs: guard blkdev_zone_mgmt with nofs scope

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Guard the calls to blkdev_zone_mgmt() with a memalloc_nofs scope.
This helps us getting rid of the GFP_NOFS argument to blkdev_zone_mgmt();

Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: Chao Yu <chao@kernel.org>
Link: https://lore.kernel.org/r/20240128-zonefs_nofs-v3-4-ae3b7c8def61@wdc.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Johannes Thumshirn 2024-01-28 23:52:19 -08:00 committed by Jens Axboe
parent d9d556755f
commit 147ec1c60e
1 changed files with 12 additions and 3 deletions
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15
fs/f2fs/segment.c
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@ -1971,9 +1971,15 @@ static int __f2fs_issue_discard_zone(struct f2fs_sb_info *sbi,
}
if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING))) {
unsigned int nofs_flags;
int ret;
trace_f2fs_issue_reset_zone(bdev, blkstart);
return blkdev_zone_mgmt(bdev, REQ_OP_ZONE_RESET,
sector, nr_sects, GFP_NOFS);
nofs_flags = memalloc_nofs_save();
ret = blkdev_zone_mgmt(bdev, REQ_OP_ZONE_RESET,
sector, nr_sects, GFP_KERNEL);
memalloc_nofs_restore(nofs_flags);
return ret;
}
__queue_zone_reset_cmd(sbi, bdev, blkstart, lblkstart, blklen);
@ -4865,6 +4871,7 @@ static int check_zone_write_pointer(struct f2fs_sb_info *sbi,
block_t zone_block, valid_block_cnt;
unsigned int log_sectors_per_block = sbi->log_blocksize - SECTOR_SHIFT;
int ret;
unsigned int nofs_flags;
if (zone->type != BLK_ZONE_TYPE_SEQWRITE_REQ)
return 0;
@ -4912,8 +4919,10 @@ static int check_zone_write_pointer(struct f2fs_sb_info *sbi,
"pointer: valid block[0x%x,0x%x] cond[0x%x]",
zone_segno, valid_block_cnt, zone->cond);
nofs_flags = memalloc_nofs_save();
ret = blkdev_zone_mgmt(fdev->bdev, REQ_OP_ZONE_FINISH,
zone->start, zone->len, GFP_NOFS);
zone->start, zone->len, GFP_KERNEL);
memalloc_nofs_restore(nofs_flags);
if (ret == -EOPNOTSUPP) {
ret = blkdev_issue_zeroout(fdev->bdev, zone->wp,
zone->len - (zone->wp - zone->start),