diff options
| author | Johannes Thumshirn <johannes.thumshirn@wdc.com> | 2024-01-29 08:52:18 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-02-12 16:41:16 +0100 |
| commit | d9d556755f16f6af8d1d8ebac38b83a9263394c5 (patch) | |
| tree | f444e7621d654ba3d4f6267059e62472fdb1930e /fs | |
| parent | dm: dm-zoned: guard blkdev_zone_mgmt with noio scope (diff) | |
| download | linux-d9d556755f16f6af8d1d8ebac38b83a9263394c5.tar.xz linux-d9d556755f16f6af8d1d8ebac38b83a9263394c5.zip | |
btrfs: zoned: call blkdev_zone_mgmt in nofs scope
Add a memalloc_nofs scope around all calls to blkdev_zone_mgmt(). This
allows us to further get rid of the GFP_NOFS argument for
blkdev_zone_mgmt().
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Reviewed-by: David Sterba <dsterba@suse.com>
Link: https://lore.kernel.org/r/20240128-zonefs_nofs-v3-3-ae3b7c8def61@wdc.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/zoned.c | 33 |
1 files changed, 26 insertions, 7 deletions
diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c index 168af9d000d1..05640d61e435 100644 --- a/fs/btrfs/zoned.c +++ b/fs/btrfs/zoned.c @@ -824,11 +824,15 @@ static int sb_log_location(struct block_device *bdev, struct blk_zone *zones, reset = &zones[1]; if (reset && reset->cond != BLK_ZONE_COND_EMPTY) { + unsigned int nofs_flags; + ASSERT(sb_zone_is_full(reset)); + nofs_flags = memalloc_nofs_save(); ret = blkdev_zone_mgmt(bdev, REQ_OP_ZONE_RESET, reset->start, reset->len, - GFP_NOFS); + GFP_KERNEL); + memalloc_nofs_restore(nofs_flags); if (ret) return ret; @@ -974,11 +978,14 @@ int btrfs_advance_sb_log(struct btrfs_device *device, int mirror) * explicit ZONE_FINISH is not necessary. */ if (zone->wp != zone->start + zone->capacity) { + unsigned int nofs_flags; int ret; + nofs_flags = memalloc_nofs_save(); ret = blkdev_zone_mgmt(device->bdev, REQ_OP_ZONE_FINISH, zone->start, - zone->len, GFP_NOFS); + zone->len, GFP_KERNEL); + memalloc_nofs_restore(nofs_flags); if (ret) return ret; } @@ -996,11 +1003,13 @@ int btrfs_advance_sb_log(struct btrfs_device *device, int mirror) int btrfs_reset_sb_log_zones(struct block_device *bdev, int mirror) { + unsigned int nofs_flags; sector_t zone_sectors; sector_t nr_sectors; u8 zone_sectors_shift; u32 sb_zone; u32 nr_zones; + int ret; zone_sectors = bdev_zone_sectors(bdev); zone_sectors_shift = ilog2(zone_sectors); @@ -1011,9 +1020,13 @@ int btrfs_reset_sb_log_zones(struct block_device *bdev, int mirror) if (sb_zone + 1 >= nr_zones) return -ENOENT; - return blkdev_zone_mgmt(bdev, REQ_OP_ZONE_RESET, - zone_start_sector(sb_zone, bdev), - zone_sectors * BTRFS_NR_SB_LOG_ZONES, GFP_NOFS); + nofs_flags = memalloc_nofs_save(); + ret = blkdev_zone_mgmt(bdev, REQ_OP_ZONE_RESET, + zone_start_sector(sb_zone, bdev), + zone_sectors * BTRFS_NR_SB_LOG_ZONES, + GFP_KERNEL); + memalloc_nofs_restore(nofs_flags); + return ret; } /* @@ -1124,12 +1137,15 @@ static void btrfs_dev_clear_active_zone(struct btrfs_device *device, u64 pos) int btrfs_reset_device_zone(struct btrfs_device *device, u64 physical, u64 length, u64 *bytes) { + unsigned int nofs_flags; int ret; *bytes = 0; + nofs_flags = memalloc_nofs_save(); ret = blkdev_zone_mgmt(device->bdev, REQ_OP_ZONE_RESET, physical >> SECTOR_SHIFT, length >> SECTOR_SHIFT, - GFP_NOFS); + GFP_KERNEL); + memalloc_nofs_restore(nofs_flags); if (ret) return ret; @@ -2234,14 +2250,17 @@ static int do_zone_finish(struct btrfs_block_group *block_group, bool fully_writ struct btrfs_device *device = map->stripes[i].dev; const u64 physical = map->stripes[i].physical; struct btrfs_zoned_device_info *zinfo = device->zone_info; + unsigned int nofs_flags; if (zinfo->max_active_zones == 0) continue; + nofs_flags = memalloc_nofs_save(); ret = blkdev_zone_mgmt(device->bdev, REQ_OP_ZONE_FINISH, physical >> SECTOR_SHIFT, zinfo->zone_size >> SECTOR_SHIFT, - GFP_NOFS); + GFP_KERNEL); + memalloc_nofs_restore(nofs_flags); if (ret) return ret; |