btrfs: factor btrfs_init_scrub() out of open_ctree()

[firefly-linux-kernel-4.4.55.git] / fs / btrfs / disk-io.c

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 83671f847c7cb3af59da7bab2dc9368b589784a2..2936a3958f3c496931d9d62f69a4fa037f531ac0 100644 (file)
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2147,6 +2147,17 @@ void btrfs_free_fs_roots(struct btrfs_fs_info *fs_info)
        }
 }
 
+static void btrfs_init_scrub(struct btrfs_fs_info *fs_info)
+{
+       mutex_init(&fs_info->scrub_lock);
+       atomic_set(&fs_info->scrubs_running, 0);
+       atomic_set(&fs_info->scrub_pause_req, 0);
+       atomic_set(&fs_info->scrubs_paused, 0);
+       atomic_set(&fs_info->scrub_cancel_req, 0);
+       init_waitqueue_head(&fs_info->scrub_pause_wait);
+       fs_info->scrub_workers_refcnt = 0;
+}
+
 int open_ctree(struct super_block *sb,
               struct btrfs_fs_devices *fs_devices,
               char *options)
@@ -2295,14 +2306,8 @@ int open_ctree(struct super_block *sb,
        }
        btrfs_init_delayed_root(fs_info->delayed_root);
 
-       mutex_init(&fs_info->scrub_lock);
-       atomic_set(&fs_info->scrubs_running, 0);
-       atomic_set(&fs_info->scrub_pause_req, 0);
-       atomic_set(&fs_info->scrubs_paused, 0);
-       atomic_set(&fs_info->scrub_cancel_req, 0);
+       btrfs_init_scrub(fs_info);
        init_waitqueue_head(&fs_info->replace_wait);
-       init_waitqueue_head(&fs_info->scrub_pause_wait);
-       fs_info->scrub_workers_refcnt = 0;
 #ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY
        fs_info->check_integrity_print_mask = 0;
 #endif
@@ -2690,7 +2695,7 @@ int open_ctree(struct super_block *sb,
         * keep the device that is marked to be the target device for the
         * dev_replace procedure
         */
-       btrfs_close_extra_devices(fs_info, fs_devices, 0);
+       btrfs_close_extra_devices(fs_devices, 0);
 
        if (!fs_devices->latest_bdev) {
                printk(KERN_ERR "BTRFS: failed to read devices on %s\n",
@@ -2794,7 +2799,7 @@ retry_root_backup:
                goto fail_block_groups;
        }
 
-       btrfs_close_extra_devices(fs_info, fs_devices, 1);
+       btrfs_close_extra_devices(fs_devices, 1);
 
        ret = btrfs_sysfs_add_one(fs_info);
        if (ret) {
@@ -3670,7 +3675,7 @@ void close_ctree(struct btrfs_root *root)
        if (!(fs_info->sb->s_flags & MS_RDONLY)) {
                ret = btrfs_commit_super(root);
                if (ret)
-                       btrfs_err(root->fs_info, "commit super ret %d", ret);
+                       btrfs_err(fs_info, "commit super ret %d", ret);
        }
 
        if (test_bit(BTRFS_FS_STATE_ERROR, &fs_info->fs_state))
@@ -3682,10 +3687,10 @@ void close_ctree(struct btrfs_root *root)
        fs_info->closing = 2;
        smp_mb();
 
-       btrfs_free_qgroup_config(root->fs_info);
+       btrfs_free_qgroup_config(fs_info);
 
        if (percpu_counter_sum(&fs_info->delalloc_bytes)) {
-               btrfs_info(root->fs_info, "at unmount delalloc count %lld",
+               btrfs_info(fs_info, "at unmount delalloc count %lld",
                       percpu_counter_sum(&fs_info->delalloc_bytes));
        }
 
@@ -3923,7 +3928,7 @@ static int btrfs_check_super_valid(struct btrfs_fs_info *fs_info,
        }
        if (btrfs_super_sys_array_size(sb) < sizeof(struct btrfs_disk_key)
                        + sizeof(struct btrfs_chunk)) {
-               printk(KERN_ERR "BTRFS: system chunk array too small %u < %lu\n",
+               printk(KERN_ERR "BTRFS: system chunk array too small %u < %zu\n",
                                btrfs_super_sys_array_size(sb),
                                sizeof(struct btrfs_disk_key)
                                + sizeof(struct btrfs_chunk));