From 42f620aec182f62ee72e3fce41cb3353951b3508 Mon Sep 17 00:00:00 2001
From: Boris Burkov <boris@bur.io>
Date: Fri, 2 Feb 2024 11:52:57 -0800
Subject: [PATCH] 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>
---
fs/btrfs/space-info.c | 1 +
fs/btrfs/space-info.h | 1 +
2 files changed, 2 insertions(+)
diff --git a/fs/btrfs/space-info.c b/fs/btrfs/space-info.c
index 85ff44a742239..3608c1f950f0e 100644
--- a/fs/btrfs/space-info.c
+++ b/fs/btrfs/space-info.c
@@ -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);
diff --git a/fs/btrfs/space-info.h b/fs/btrfs/space-info.h
index 98ea35ae60fe0..25edfd453b27a 100644
--- a/fs/btrfs/space-info.h
+++ b/fs/btrfs/space-info.h
@@ -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,
--
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