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| author | Josef Bacik | 2007-08-29 21:47:34 +0200 |
|---|---|---|
| committer | David Woodhouse | 2007-08-29 21:47:34 +0200 |
| commit | 58176a9604c5db1784d2c979aea472b3be40b6f0 (patch) | |
| tree | a0d887c81b2f174de619dfefca19674a43756971 /fs/btrfs/super.c | |
| parent | Btrfs: Add delayed allocation to the extent based page tree code (diff) | |
| download | kernel-qcow2-linux-58176a9604c5db1784d2c979aea472b3be40b6f0.tar.gz kernel-qcow2-linux-58176a9604c5db1784d2c979aea472b3be40b6f0.tar.xz kernel-qcow2-linux-58176a9604c5db1784d2c979aea472b3be40b6f0.zip | |
Btrfs: Add per-root block accounting and sysfs entries
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/super.c')
| -rw-r--r-- | fs/btrfs/super.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 7da95538745f..a68101ae1a3b 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -45,12 +45,14 @@ 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); sb->s_fs_info = NULL; } @@ -101,6 +103,12 @@ static int btrfs_fill_super(struct super_block * sb, void * data, int silent) err = -ENOMEM; goto fail_close; } + + /* this does the super kobj at the same time */ + err = btrfs_sysfs_add_super(tree_root->fs_info); + if (err) + goto fail_close; + sb->s_root = root_dentry; btrfs_transaction_queue_work(tree_root, HZ * 30); return 0; @@ -182,6 +190,11 @@ static struct super_operations btrfs_super_ops = { static int __init init_btrfs_fs(void) { int err; + + err = btrfs_init_sysfs(); + if (err) + return err; + btrfs_init_transaction_sys(); err = btrfs_init_cachep(); if (err) @@ -196,6 +209,7 @@ static void __exit exit_btrfs_fs(void) btrfs_destroy_cachep(); extent_map_exit(); unregister_filesystem(&btrfs_fs_type); + btrfs_exit_sysfs(); } module_init(init_btrfs_fs) |