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Commit 6fcf6e2b authored by David Sterba's avatar David Sterba
Browse files

btrfs: remove redundant btrfs_balance_control::fs_info 



The fs_info is always available from the context so we don't need to
store it in the structure.

Reviewed-by: default avatarAnand Jain <anand.jain@oracle.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent c9f6f3cd

fs/btrfs/ioctl.c

+1 −2
Original line number Diff line number Diff line
@@ -4428,7 +4428,6 @@ static long btrfs_ioctl_balance(struct file *file, void __user *arg) 
		goto out_bargs;

	}



	bctl->fs_info = fs_info;

	if (arg) {

		memcpy(&bctl->data, &bargs->data, sizeof(bctl->data));

		memcpy(&bctl->meta, &bargs->meta, sizeof(bctl->meta));
@@ -4454,7 +4453,7 @@ static long btrfs_ioctl_balance(struct file *file, void __user *arg) 
	 */

	need_unlock = false;



	ret = btrfs_balance(bctl, bargs);

	ret = btrfs_balance(fs_info, bctl, bargs);

	bctl = NULL;



	if (arg) {

fs/btrfs/volumes.c

+3 −4
Original line number Diff line number Diff line
@@ -3769,10 +3769,10 @@ static inline int validate_convert_profile(struct btrfs_balance_args *bctl_arg, 
/*

 * Should be called with balance mutexe held

 */

int btrfs_balance(struct btrfs_balance_control *bctl,

int btrfs_balance(struct btrfs_fs_info *fs_info,

		  struct btrfs_balance_control *bctl,

		  struct btrfs_ioctl_balance_args *bargs)

{

	struct btrfs_fs_info *fs_info = bctl->fs_info;

	u64 meta_target, data_target;

	u64 allowed;

	int mixed = 0;
@@ -3940,7 +3940,7 @@ static int balance_kthread(void *data) 
	mutex_lock(&fs_info->balance_mutex);

	if (fs_info->balance_ctl) {

		btrfs_info(fs_info, "continuing balance");

		ret = btrfs_balance(fs_info->balance_ctl, NULL);

		ret = btrfs_balance(fs_info, fs_info->balance_ctl, NULL);

	}

	mutex_unlock(&fs_info->balance_mutex);
@@ -4011,7 +4011,6 @@ int btrfs_recover_balance(struct btrfs_fs_info *fs_info) 
	leaf = path->nodes[0];

	item = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_balance_item);



	bctl->fs_info = fs_info;

	bctl->flags = btrfs_balance_flags(leaf, item);

	bctl->flags |= BTRFS_BALANCE_RESUME;

fs/btrfs/volumes.h

+2 −3
Original line number Diff line number Diff line
@@ -352,8 +352,6 @@ struct map_lookup { 
struct btrfs_balance_args;

struct btrfs_balance_progress;

struct btrfs_balance_control {

	struct btrfs_fs_info *fs_info;



	struct btrfs_balance_args data;

	struct btrfs_balance_args meta;

	struct btrfs_balance_args sys;
@@ -432,7 +430,8 @@ struct btrfs_device *btrfs_find_device(struct btrfs_fs_info *fs_info, u64 devid, 
				       u8 *uuid, u8 *fsid);

int btrfs_shrink_device(struct btrfs_device *device, u64 new_size);

int btrfs_init_new_device(struct btrfs_fs_info *fs_info, const char *path);

int btrfs_balance(struct btrfs_balance_control *bctl,

int btrfs_balance(struct btrfs_fs_info *fs_info,

		  struct btrfs_balance_control *bctl,

		  struct btrfs_ioctl_balance_args *bargs);

int btrfs_resume_balance_async(struct btrfs_fs_info *fs_info);

int btrfs_recover_balance(struct btrfs_fs_info *fs_info);