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btrfs: export and rename free_fs_info

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We're going to start freeing roots and doing other complicated things in
free_fs_info, so we need to move it to disk-io.c and export it in order
to use things lik btrfs_put_fs_root().

Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Josef Bacik 2020-01-24 09:32:53 -05:00 committed by David Sterba
parent fbb0ce40d6
commit 0d4b046301
4 changed files with 22 additions and 20 deletions
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17
fs/btrfs/ctree.h
View File

@ -2695,23 +2695,6 @@ static inline int btrfs_need_cleaner_sleep(struct btrfs_fs_info *fs_info)
return fs_info->sb->s_flags & SB_RDONLY || btrfs_fs_closing(fs_info);
}
static inline void free_fs_info(struct btrfs_fs_info *fs_info)
{
kfree(fs_info->balance_ctl);
kfree(fs_info->delayed_root);
kfree(fs_info->extent_root);
kfree(fs_info->tree_root);
kfree(fs_info->chunk_root);
kfree(fs_info->dev_root);
kfree(fs_info->csum_root);
kfree(fs_info->quota_root);
kfree(fs_info->uuid_root);
kfree(fs_info->free_space_root);
kfree(fs_info->super_copy);
kfree(fs_info->super_for_commit);
kvfree(fs_info);
}
/* tree mod log functions from ctree.c */
u64 btrfs_get_tree_mod_seq(struct btrfs_fs_info *fs_info,
struct seq_list *elem);

18
fs/btrfs/disk-io.c
View File

@ -1523,6 +1523,24 @@ int btrfs_insert_fs_root(struct btrfs_fs_info *fs_info,
return ret;
}
void btrfs_free_fs_info(struct btrfs_fs_info *fs_info)
{
kfree(fs_info->balance_ctl);
kfree(fs_info->delayed_root);
kfree(fs_info->extent_root);
kfree(fs_info->tree_root);
kfree(fs_info->chunk_root);
kfree(fs_info->dev_root);
kfree(fs_info->csum_root);
kfree(fs_info->quota_root);
kfree(fs_info->uuid_root);
kfree(fs_info->free_space_root);
kfree(fs_info->super_copy);
kfree(fs_info->super_for_commit);
kvfree(fs_info);
}
struct btrfs_root *btrfs_get_fs_root(struct btrfs_fs_info *fs_info,
struct btrfs_key *location,
bool check_ref)

1
fs/btrfs/disk-io.h
View File

@ -68,6 +68,7 @@ struct btrfs_root *btrfs_get_fs_root(struct btrfs_fs_info *fs_info,
struct btrfs_key *key,
bool check_ref);
void btrfs_free_fs_info(struct btrfs_fs_info *fs_info);
int btrfs_cleanup_fs_roots(struct btrfs_fs_info *fs_info);
void btrfs_btree_balance_dirty(struct btrfs_fs_info *fs_info);
void btrfs_btree_balance_dirty_nodelay(struct btrfs_fs_info *fs_info);

6
fs/btrfs/super.c
View File

@ -1580,7 +1580,7 @@ static struct dentry *btrfs_mount_root(struct file_system_type *fs_type,
if (s->s_root) {
btrfs_close_devices(fs_devices);
free_fs_info(fs_info);
btrfs_free_fs_info(fs_info);
if ((flags ^ s->s_flags) & SB_RDONLY)
error = -EBUSY;
} else {
@ -1603,7 +1603,7 @@ static struct dentry *btrfs_mount_root(struct file_system_type *fs_type,
error_close_devices:
btrfs_close_devices(fs_devices);
error_fs_info:
free_fs_info(fs_info);
btrfs_free_fs_info(fs_info);
error_sec_opts:
security_free_mnt_opts(&new_sec_opts);
return ERR_PTR(error);
@ -2179,7 +2179,7 @@ static void btrfs_kill_super(struct super_block *sb)
{
struct btrfs_fs_info *fs_info = btrfs_sb(sb);
kill_anon_super(sb);
free_fs_info(fs_info);
btrfs_free_fs_info(fs_info);
}
static struct file_system_type btrfs_fs_type = {