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ceph: remove call to bdi_unregister 

bdi_destroy already does all the work, and if we delay freeing the
anon bdev we can get away with just that single call.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Christoph Hellwig 2015-01-14 10:42:38 +01:00 committed by Jens Axboe
parent b83ae6d421
commit e4d2750909
1 changed files with 6 additions and 12 deletions
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18
fs/ceph/super.c
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@ -40,17 +40,6 @@ static void ceph_put_super(struct super_block *s)
dout("put_super\n");
ceph_mdsc_close_sessions(fsc->mdsc);
/*
* ensure we release the bdi before put_anon_super releases
* the device name.
*/
if (s->s_bdi == &fsc->backing_dev_info) {
bdi_unregister(&fsc->backing_dev_info);
s->s_bdi = NULL;
}
return;
}
static int ceph_statfs(struct dentry *dentry, struct kstatfs *buf)
@ -1002,11 +991,16 @@ out_final:
static void ceph_kill_sb(struct super_block *s)
{
struct ceph_fs_client *fsc = ceph_sb_to_client(s);
dev_t dev = s->s_dev;
dout("kill_sb %p\n", s);
ceph_mdsc_pre_umount(fsc->mdsc);
kill_anon_super(s); /* will call put_super after sb is r/o */
generic_shutdown_super(s);
ceph_mdsc_destroy(fsc);
destroy_fs_client(fsc);
free_anon_bdev(dev);
}
static struct file_system_type ceph_fs_type = {