leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Critical bug fixes:

Browse Source 
- Restore performance on memory-starved servers
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCAAdFiEEKLLlsBKG3yQ88j7+M2qzM29mf5cFAmE49dQACgkQM2qzM29m
 f5fnpA//dqRbqDAmWLJSoIc4WEkr5dEEqBYzRyqeefGRSANdqf7jQfjnWh9MKkIw
 rbBfwWRmiLN/9qsjAuxHJGnGeZG6BLBN3LKEgfvFFj3HNUHekEIsKP3HPhXeo49K
 5U6JVZhcDHPTiVSqDVpumfdnZLRTAR7BMbduWYxdOK+dWdCFZ/zUrf1HWEoFJO6o
 Y+Kb2iGzuWQu+ie3Zh8jp797OUSt5FZXLLWPeOS1giBOWRz2+2z5pEj/tBSZuoOS
 IbzivQHQVWCt1q5CtsYY5sqxtpDgObCdDQQ7Pxo/qsxYv3D+56vll5lbZ513KHkd
 fWnk1q97QpjJI52jQY3kIx33FLVB0BWEGK0mrANQ8wQA7stq11Xc439GOY6CI1zZ
 NHz7VelzoR295s1bSMz1V66ZaP9o9d+CUKgWuT7x99hPbyqp90z8K71l6BrcM05u
 tP2YUObmAGfGusbG3OJvHLJWAo/22u4APowC0ZWVmF3FrCHXIdbDtQOrrb+h1Yqq
 5wmshDQYCuh/sqpxx7VqseFUIIg4XQ0ziVDbVcDNxVkwDElu1Abd/mKf98+K3Q3G
 RYHrGGAEXz9HG4WzVKYl+k0GUV3vUiGH4pvLtBpJfDAGSP6zvsu64lb7IAoZVczm
 O/bQKWnJjYzEO/CM6vsCY15LFwRMC1F83c+8OhskDyvla2azzwQ=
 =BXCy
 -----END PGP SIGNATURE-----

Merge tag 'nfsd-5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux

Pull nfsd fixes from Chuck Lever:

 - Restore performance on memory-starved servers

* tag 'nfsd-5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
  SUNRPC: improve error response to over-size gss credential
  SUNRPC: don't pause on incomplete allocation
This commit is contained in:
Linus Torvalds 2021-09-08 15:55:42 -07:00
commit 14e2bc4e8c
3 changed files with 10 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
net/sunrpc/auth_gss/svcauth_gss.c
View File

@ -194,6 +194,8 @@ static void rsi_request(struct cache_detail *cd,
qword_addhex(bpp, blen, rsii->in_handle.data, rsii->in_handle.len);
qword_addhex(bpp, blen, rsii->in_token.data, rsii->in_token.len);
(*bpp)[-1] = '\n';
WARN_ONCE(*blen < 0,
"RPCSEC/GSS credential too large - please use gssproxy\n");
}
static int rsi_parse(struct cache_detail *cd,

2
net/sunrpc/cache.c
View File

@ -803,7 +803,7 @@ static int cache_request(struct cache_detail *detail,
detail->cache_request(detail, crq->item, &bp, &len);
if (len < 0)
return -EAGAIN;
return -E2BIG;
return PAGE_SIZE - len;
}

11
net/sunrpc/svc_xprt.c
View File

@ -663,7 +663,7 @@ static int svc_alloc_arg(struct svc_rqst *rqstp)
{
struct svc_serv *serv = rqstp->rq_server;
struct xdr_buf *arg = &rqstp->rq_arg;
unsigned long pages, filled;
unsigned long pages, filled, ret;
pagevec_init(&rqstp->rq_pvec);
@ -675,11 +675,12 @@ static int svc_alloc_arg(struct svc_rqst *rqstp)
pages = RPCSVC_MAXPAGES;
}
for (;;) {
filled = alloc_pages_bulk_array(GFP_KERNEL, pages,
for (filled = 0; filled < pages; filled = ret) {
ret = alloc_pages_bulk_array(GFP_KERNEL, pages,
rqstp->rq_pages);
if (filled == pages)
break;
if (ret > filled)
/* Made progress, don't sleep yet */
continue;
set_current_state(TASK_INTERRUPTIBLE);
if (signalled() || kthread_should_stop()) {