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| author | Nikolay Borisov <nborisov@suse.com> | 2019-10-15 18:42:22 +0300 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2019-11-18 17:51:47 +0100 |
| commit | 260eb11bd42b4b5bcd671a1f8cb7d7b9a3e36b8d (patch) | |
| tree | ee60e42615e230400649fe5247e8928ac142a4d1 | |
| parent | 336a0d8df1d9ec2480dc1790f0d7801c32318d1c (diff) | |
btrfs: Remove unused next_root_backup function
This function has been superseded by previous commits and is no longer
used so just remove it.
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
| -rw-r--r-- | fs/btrfs/disk-io.c | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index b23c9fbc2e89..99ba3278628c 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -1972,56 +1972,6 @@ static int read_backup_root(struct btrfs_fs_info *fs_info, u8 priority) return backup_index; } -/* - * this copies info out of the root backup array and back into - * the in-memory super block. It is meant to help iterate through - * the array, so you send it the number of backups you've already - * tried and the last backup index you used. - * - * this returns -1 when it has tried all the backups - */ -static noinline int next_root_backup(struct btrfs_fs_info *info, - struct btrfs_super_block *super, - int *num_backups_tried, int *backup_index) -{ - struct btrfs_root_backup *root_backup; - int newest = *backup_index; - - if (*num_backups_tried == 0) { - newest = find_newest_super_backup(info); - if (newest == -1) - return -1; - - *backup_index = newest; - *num_backups_tried = 1; - } else if (*num_backups_tried == BTRFS_NUM_BACKUP_ROOTS) { - /* we've tried all the backups, all done */ - return -1; - } else { - /* jump to the next oldest backup */ - newest = (*backup_index + BTRFS_NUM_BACKUP_ROOTS - 1) % - BTRFS_NUM_BACKUP_ROOTS; - *backup_index = newest; - *num_backups_tried += 1; - } - root_backup = super->super_roots + newest; - - btrfs_set_super_generation(super, - btrfs_backup_tree_root_gen(root_backup)); - btrfs_set_super_root(super, btrfs_backup_tree_root(root_backup)); - btrfs_set_super_root_level(super, - btrfs_backup_tree_root_level(root_backup)); - btrfs_set_super_bytes_used(super, btrfs_backup_bytes_used(root_backup)); - - /* - * fixme: the total bytes and num_devices need to match or we should - * need a fsck - */ - btrfs_set_super_total_bytes(super, btrfs_backup_total_bytes(root_backup)); - btrfs_set_super_num_devices(super, btrfs_backup_num_devices(root_backup)); - return 0; -} - /* helper to cleanup workers */ static void btrfs_stop_all_workers(struct btrfs_fs_info *fs_info) { |