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ceph: remove bad auth_x kmem_cache

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It's useless, since our allocations are already a power of 2.  And it was
allocated per-instance (not globally), which caused a name collision when
we tried to mount a second file system with auth_x enabled.

Signed-off-by: Sage Weil <sage@newdream.net>
This commit is contained in:
Sage Weil 2010-04-29 13:26:53 -07:00
parent 7ff899da02
commit b0930f8d38
1 changed files with 10 additions and 22 deletions
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32
fs/ceph/auth_x.c
View file

@ -12,8 +12,6 @@
#include "auth.h"
#include "decode.h"
struct kmem_cache *ceph_x_ticketbuf_cachep;
#define TEMP_TICKET_BUF_LEN 256
static void ceph_x_validate_tickets(struct ceph_auth_client *ac, int *pneed);
@ -131,13 +129,12 @@ static int ceph_x_proc_ticket_reply(struct ceph_auth_client *ac,
char *ticket_buf;
u8 struct_v;
dbuf = kmem_cache_alloc(ceph_x_ticketbuf_cachep, GFP_NOFS | GFP_ATOMIC);
dbuf = kmalloc(TEMP_TICKET_BUF_LEN, GFP_NOFS);
if (!dbuf)
return -ENOMEM;
ret = -ENOMEM;
ticket_buf = kmem_cache_alloc(ceph_x_ticketbuf_cachep,
GFP_NOFS | GFP_ATOMIC);
ticket_buf = kmalloc(TEMP_TICKET_BUF_LEN, GFP_NOFS);
if (!ticket_buf)
goto out_dbuf;
@ -251,9 +248,9 @@ static int ceph_x_proc_ticket_reply(struct ceph_auth_client *ac,
ret = 0;
out:
kmem_cache_free(ceph_x_ticketbuf_cachep, ticket_buf);
kfree(ticket_buf);
out_dbuf:
kmem_cache_free(ceph_x_ticketbuf_cachep, dbuf);
kfree(dbuf);
return ret;
bad:
@ -605,8 +602,6 @@ static void ceph_x_destroy(struct ceph_auth_client *ac)
remove_ticket_handler(ac, th);
}
kmem_cache_destroy(ceph_x_ticketbuf_cachep);
kfree(ac->private);
ac->private = NULL;
}
@ -641,26 +636,20 @@ int ceph_x_init(struct ceph_auth_client *ac)
int ret;
dout("ceph_x_init %p\n", ac);
ret = -ENOMEM;
xi = kzalloc(sizeof(*xi), GFP_NOFS);
if (!xi)
return -ENOMEM;
goto out;
ret = -ENOMEM;
ceph_x_ticketbuf_cachep = kmem_cache_create("ceph_x_ticketbuf",
TEMP_TICKET_BUF_LEN, 8,
(SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD),
NULL);
if (!ceph_x_ticketbuf_cachep)
goto done_nomem;
ret = -EINVAL;
if (!ac->secret) {
pr_err("no secret set (for auth_x protocol)\n");
goto done_nomem;
goto out_nomem;
}
ret = ceph_crypto_key_unarmor(&xi->secret, ac->secret);
if (ret)
goto done_nomem;
goto out_nomem;
xi->starting = true;
xi->ticket_handlers = RB_ROOT;
@ -670,10 +659,9 @@ int ceph_x_init(struct ceph_auth_client *ac)
ac->ops = &ceph_x_ops;
return 0;
done_nomem:
out_nomem:
kfree(xi);
if (ceph_x_ticketbuf_cachep)
kmem_cache_destroy(ceph_x_ticketbuf_cachep);
out:
return ret;
}