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Btrfs: Add basic lockfs calls

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Yan 2008-01-22 12:46:56 -05:00 committed by Chris Mason
parent f0c5da1446
commit ed0dab6b86
1 changed files with 13 additions and 1 deletions
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14
fs/btrfs/super.c
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@ -429,6 +429,17 @@ static struct file_system_type btrfs_fs_type = {
.kill_sb = kill_block_super,
.fs_flags = FS_REQUIRES_DEV,
};
static void btrfs_write_super_lockfs(struct super_block *sb)
{
struct btrfs_root *root = btrfs_sb(sb);
btrfs_transaction_flush_work(root);
}
static void btrfs_unlockfs(struct super_block *sb)
{
struct btrfs_root *root = btrfs_sb(sb);
btrfs_transaction_queue_work(root, HZ * 30);
}
static struct super_operations btrfs_super_ops = {
.delete_inode = btrfs_delete_inode,
@ -442,8 +453,9 @@ static struct super_operations btrfs_super_ops = {
.alloc_inode = btrfs_alloc_inode,
.destroy_inode = btrfs_destroy_inode,
.statfs = btrfs_statfs,
.write_super_lockfs = btrfs_write_super_lockfs,
.unlockfs = btrfs_unlockfs,
};
static int __init init_btrfs_fs(void)
{
int err;