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btrfs: zoned: introduce btrfs_zoned_bg_is_full

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Introduce a wrapper to check if all the space in a block group is
allocated or not.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Naohiro Aota 2022-05-03 17:48:50 -07:00 committed by David Sterba
parent cf4f03c3be
commit 1bfd476754
3 changed files with 8 additions and 3 deletions
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3
fs/btrfs/extent-tree.c
View file

@ -3800,8 +3800,7 @@ static int do_allocation_zoned(struct btrfs_block_group *block_group,
/* Check RO and no space case before trying to activate it */
spin_lock(&block_group->lock);
if (block_group->ro ||
block_group->alloc_offset == block_group->zone_capacity) {
if (block_group->ro || btrfs_zoned_bg_is_full(block_group)) {
ret = 1;
/*
* May need to clear fs_info->{treelog,data_reloc}_bg.

2
fs/btrfs/zoned.c
View file

@ -1836,7 +1836,7 @@ bool btrfs_zone_activate(struct btrfs_block_group *block_group)
}
/* No space left */
if (block_group->alloc_offset == block_group->zone_capacity) {
if (btrfs_zoned_bg_is_full(block_group)) {
ret = false;
goto out_unlock;
}

6
fs/btrfs/zoned.h
View file

@ -372,4 +372,10 @@ static inline void btrfs_zoned_data_reloc_unlock(struct btrfs_inode *inode)
mutex_unlock(&root->fs_info->zoned_data_reloc_io_lock);
}
static inline bool btrfs_zoned_bg_is_full(const struct btrfs_block_group *bg)
{
ASSERT(btrfs_is_zoned(bg->fs_info));
return (bg->alloc_offset == bg->zone_capacity);
}
#endif