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Diffstat (limited to 'fs/btrfs/zoned.c')
-rw-r--r--fs/btrfs/zoned.c66
1 files changed, 42 insertions, 24 deletions
diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c
index f95b2c94d619..39828af4a4e8 100644
--- a/fs/btrfs/zoned.c
+++ b/fs/btrfs/zoned.c
@@ -122,10 +122,9 @@ static int sb_write_pointer(struct block_device *bdev, struct blk_zone *zones,
int i;
for (i = 0; i < BTRFS_NR_SB_LOG_ZONES; i++) {
- u64 bytenr;
-
- bytenr = ((zones[i].start + zones[i].len)
- << SECTOR_SHIFT) - BTRFS_SUPER_INFO_SIZE;
+ u64 zone_end = (zones[i].start + zones[i].capacity) << SECTOR_SHIFT;
+ u64 bytenr = ALIGN_DOWN(zone_end, BTRFS_SUPER_INFO_SIZE) -
+ BTRFS_SUPER_INFO_SIZE;
page[i] = read_cache_page_gfp(mapping,
bytenr >> PAGE_SHIFT, GFP_NOFS);
@@ -524,8 +523,7 @@ int btrfs_get_dev_zone_info(struct btrfs_device *device, bool populate_cache)
}
atomic_set(&zone_info->active_zones_left,
max_active_zones - nactive);
- /* Overcommit does not work well with active zone tacking. */
- set_bit(BTRFS_FS_NO_OVERCOMMIT, &fs_info->flags);
+ set_bit(BTRFS_FS_ACTIVE_ZONE_TRACKING, &fs_info->flags);
}
/* Validate superblock log */
@@ -1169,12 +1167,12 @@ int btrfs_ensure_empty_zones(struct btrfs_device *device, u64 start, u64 size)
return -ERANGE;
/* All the zones are conventional */
- if (find_next_bit(zinfo->seq_zones, begin, end) == end)
+ if (find_next_bit(zinfo->seq_zones, end, begin) == end)
return 0;
/* All the zones are sequential and empty */
- if (find_next_zero_bit(zinfo->seq_zones, begin, end) == end &&
- find_next_zero_bit(zinfo->empty_zones, begin, end) == end)
+ if (find_next_zero_bit(zinfo->seq_zones, end, begin) == end &&
+ find_next_zero_bit(zinfo->empty_zones, end, begin) == end)
return 0;
for (pos = start; pos < start + size; pos += zinfo->zone_size) {
@@ -1581,9 +1579,19 @@ void btrfs_calc_zone_unusable(struct btrfs_block_group *cache)
return;
WARN_ON(cache->bytes_super != 0);
- unusable = (cache->alloc_offset - cache->used) +
- (cache->length - cache->zone_capacity);
- free = cache->zone_capacity - cache->alloc_offset;
+
+ /* Check for block groups never get activated */
+ if (test_bit(BTRFS_FS_ACTIVE_ZONE_TRACKING, &cache->fs_info->flags) &&
+ cache->flags & (BTRFS_BLOCK_GROUP_METADATA | BTRFS_BLOCK_GROUP_SYSTEM) &&
+ !test_bit(BLOCK_GROUP_FLAG_ZONE_IS_ACTIVE, &cache->runtime_flags) &&
+ cache->alloc_offset == 0) {
+ unusable = cache->length;
+ free = 0;
+ } else {
+ unusable = (cache->alloc_offset - cache->used) +
+ (cache->length - cache->zone_capacity);
+ free = cache->zone_capacity - cache->alloc_offset;
+ }
/* We only need ->free_space in ALLOC_SEQ block groups */
cache->cached = BTRFS_CACHE_FINISHED;
@@ -1601,11 +1609,11 @@ void btrfs_redirty_list_add(struct btrfs_transaction *trans,
!list_empty(&eb->release_list))
return;
+ memzero_extent_buffer(eb, 0, eb->len);
+ set_bit(EXTENT_BUFFER_NO_CHECK, &eb->bflags);
set_extent_buffer_dirty(eb);
set_extent_bits_nowait(&trans->dirty_pages, eb->start,
eb->start + eb->len - 1, EXTENT_DIRTY);
- memzero_extent_buffer(eb, 0, eb->len);
- set_bit(EXTENT_BUFFER_NO_CHECK, &eb->bflags);
spin_lock(&trans->releasing_ebs_lock);
list_add_tail(&eb->release_list, &trans->releasing_ebs);
@@ -1631,14 +1639,14 @@ bool btrfs_use_zone_append(struct btrfs_bio *bbio)
{
u64 start = (bbio->bio.bi_iter.bi_sector << SECTOR_SHIFT);
struct btrfs_inode *inode = bbio->inode;
- struct btrfs_fs_info *fs_info = inode->root->fs_info;
+ struct btrfs_fs_info *fs_info = bbio->fs_info;
struct btrfs_block_group *cache;
bool ret = false;
if (!btrfs_is_zoned(fs_info))
return false;
- if (!is_data_inode(&inode->vfs_inode))
+ if (!inode || !is_data_inode(&inode->vfs_inode))
return false;
if (btrfs_op(&bbio->bio) != BTRFS_MAP_WRITE)
@@ -1902,7 +1910,11 @@ bool btrfs_zone_activate(struct btrfs_block_group *block_group)
/* Successfully activated all the zones */
set_bit(BLOCK_GROUP_FLAG_ZONE_IS_ACTIVE, &block_group->runtime_flags);
- space_info->active_total_bytes += block_group->length;
+ WARN_ON(block_group->alloc_offset != 0);
+ if (block_group->zone_unusable == block_group->length) {
+ block_group->zone_unusable = block_group->length - block_group->zone_capacity;
+ space_info->bytes_zone_unusable -= block_group->zone_capacity;
+ }
spin_unlock(&block_group->lock);
btrfs_try_granting_tickets(fs_info, space_info);
spin_unlock(&space_info->lock);
@@ -2086,11 +2098,21 @@ bool btrfs_can_activate_zone(struct btrfs_fs_devices *fs_devices, u64 flags)
if (!device->bdev)
continue;
- if (!zinfo->max_active_zones ||
- atomic_read(&zinfo->active_zones_left)) {
+ if (!zinfo->max_active_zones) {
ret = true;
break;
}
+
+ switch (flags & BTRFS_BLOCK_GROUP_PROFILE_MASK) {
+ case 0: /* single */
+ ret = (atomic_read(&zinfo->active_zones_left) >= 1);
+ break;
+ case BTRFS_BLOCK_GROUP_DUP:
+ ret = (atomic_read(&zinfo->active_zones_left) >= 2);
+ break;
+ }
+ if (ret)
+ break;
}
mutex_unlock(&fs_info->chunk_mutex);
@@ -2256,7 +2278,7 @@ int btrfs_zone_finish_one_bg(struct btrfs_fs_info *fs_info)
u64 avail;
spin_lock(&block_group->lock);
- if (block_group->reserved ||
+ if (block_group->reserved || block_group->alloc_offset == 0 ||
(block_group->flags & BTRFS_BLOCK_GROUP_SYSTEM)) {
spin_unlock(&block_group->lock);
continue;
@@ -2293,10 +2315,6 @@ int btrfs_zoned_activate_one_bg(struct btrfs_fs_info *fs_info,
if (!btrfs_is_zoned(fs_info) || (space_info->flags & BTRFS_BLOCK_GROUP_DATA))
return 0;
- /* No more block groups to activate */
- if (space_info->active_total_bytes == space_info->total_bytes)
- return 0;
-
for (;;) {
int ret;
bool need_finish = false;
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