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| author | Yan Zheng <zheng.yan@oracle.com> | 2008-12-12 15:03:26 (GMT) |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-12-12 15:03:26 (GMT) |
| commit | e4404d6e8da678d852b7f767f665f8edf76c9e9f (patch) | |
| tree | af6b52e5251d8e939f91e1feab760c1f06021410 /fs/btrfs/super.c | |
| parent | d2fb3437e4d8d12c73c587615ad187d5288547ec (diff) | |
| download | linux-e4404d6e8da678d852b7f767f665f8edf76c9e9f.tar.xz | |
Btrfs: shared seed device
This patch makes seed device possible to be shared by
multiple mounted file systems. The sharing is achieved
by cloning seed device's btrfs_fs_devices structure.
Thanks you,
Signed-off-by: Yan Zheng <zheng.yan@oracle.com>
Diffstat (limited to 'fs/btrfs/super.c')
| -rw-r--r-- | fs/btrfs/super.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 09908f2..84c3b66 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -58,14 +58,15 @@ static struct super_operations btrfs_super_ops; static void btrfs_put_super (struct super_block * sb) { struct btrfs_root *root = btrfs_sb(sb); - struct btrfs_fs_info *fs = root->fs_info; int ret; ret = close_ctree(root); if (ret) { printk("close ctree returns %d\n", ret); } - btrfs_sysfs_del_super(fs); +#if 0 + btrfs_sysfs_del_super(root->fs_info); +#endif sb->s_fs_info = NULL; } @@ -349,11 +350,12 @@ static int btrfs_fill_super(struct super_block * sb, err = -ENOMEM; goto fail_close; } - +#if 0 /* this does the super kobj at the same time */ err = btrfs_sysfs_add_super(tree_root->fs_info); if (err) goto fail_close; +#endif sb->s_root = root_dentry; |