btrfs: store fs_info in space_info

This is handy when computing space_info dynamic reclaim thresholds where
we do not have access to a block group. We could add it to the various
functions as a parameter, but it seems reasonable for space_info to have
an fs_info pointer.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Boris Burkov <boris@bur.io>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Boris Burkov 2024-02-02 11:52:57 -08:00 committed by David Sterba
parent 243192b676
commit 42f620aec1
2 changed files with 2 additions and 0 deletions

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@ -232,6 +232,7 @@ static int create_space_info(struct btrfs_fs_info *info, u64 flags)
if (!space_info)
return -ENOMEM;
space_info->fs_info = info;
for (i = 0; i < BTRFS_NR_RAID_TYPES; i++)
INIT_LIST_HEAD(&space_info->block_groups[i]);
init_rwsem(&space_info->groups_sem);

View File

@ -94,6 +94,7 @@ enum btrfs_flush_state {
};
struct btrfs_space_info {
struct btrfs_fs_info *fs_info;
spinlock_t lock;
u64 total_bytes; /* total bytes in the space,