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authorSage Weil <sage@newdream.net>2009-11-02 17:32:47 (GMT)
committerSage Weil <sage@newdream.net>2009-11-02 17:32:47 (GMT)
commit859e7b149362475672e2a996f29b8f45cbb34d82 (patch)
treeee7a68f0ff01c21f8aca68ee67af203abf69c939
parent33aa96e7430d215e2ee779f65cdad0f6d4571fe1 (diff)
downloadlinux-fsl-qoriq-859e7b149362475672e2a996f29b8f45cbb34d82.tar.xz
ceph: init/destroy bdi in client create/destroy helpers
This keeps bdi setup/teardown in line with client life cycle. Signed-off-by: Sage Weil <sage@newdream.net>
-rw-r--r--fs/ceph/super.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index 9b7815d..0ae40ba 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -508,10 +508,14 @@ static struct ceph_client *ceph_create_client(struct ceph_mount_args *args)
client->signed_ticket = NULL;
client->signed_ticket_len = 0;
+ err = bdi_init(&client->backing_dev_info);
+ if (err < 0)
+ goto fail;
+
err = -ENOMEM;
client->wb_wq = create_workqueue("ceph-writeback");
if (client->wb_wq == NULL)
- goto fail;
+ goto fail_bdi;
client->pg_inv_wq = create_singlethread_workqueue("ceph-pg-invalid");
if (client->pg_inv_wq == NULL)
goto fail_wb_wq;
@@ -537,6 +541,8 @@ fail_pg_inv_wq:
destroy_workqueue(client->pg_inv_wq);
fail_wb_wq:
destroy_workqueue(client->wb_wq);
+fail_bdi:
+ bdi_destroy(&client->backing_dev_info);
fail:
kfree(client);
return ERR_PTR(err);
@@ -774,13 +780,10 @@ static int ceph_compare_super(struct super_block *sb, void *data)
/*
* construct our own bdi so we can control readahead, etc.
*/
-static int ceph_init_bdi(struct super_block *sb, struct ceph_client *client)
+static int ceph_register_bdi(struct super_block *sb, struct ceph_client *client)
{
int err;
- err = bdi_init(&client->backing_dev_info);
- if (err < 0)
- return err;
sb->s_bdi = &client->backing_dev_info;
/* set ra_pages based on rsize mount option? */
@@ -840,7 +843,7 @@ static int ceph_get_sb(struct file_system_type *fs_type,
if (!client->wb_pagevec_pool)
goto out_splat;
- err = ceph_init_bdi(sb, client);
+ err = ceph_register_bdi(sb, client);
if (err < 0)
goto out_splat;
}