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Diffstat (limited to 'fs/nfsd/nfssvc.c')
-rw-r--r--fs/nfsd/nfssvc.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c
index 19443056ec3..0603baad542 100644
--- a/fs/nfsd/nfssvc.c
+++ b/fs/nfsd/nfssvc.c
@@ -198,9 +198,26 @@ int nfsd_create_serv(void)
unlock_kernel();
return 0;
}
+ if (nfsd_max_blksize == 0) {
+ /* choose a suitable default */
+ struct sysinfo i;
+ si_meminfo(&i);
+ /* Aim for 1/4096 of memory per thread
+ * This gives 1MB on 4Gig machines
+ * But only uses 32K on 128M machines.
+ * Bottom out at 8K on 32M and smaller.
+ * Of course, this is only a default.
+ */
+ nfsd_max_blksize = NFSSVC_MAXBLKSIZE;
+ i.totalram >>= 12;
+ while (nfsd_max_blksize > i.totalram &&
+ nfsd_max_blksize >= 8*1024*2)
+ nfsd_max_blksize /= 2;
+ }
atomic_set(&nfsd_busy, 0);
- nfsd_serv = svc_create_pooled(&nfsd_program, NFSD_BUFSIZE,
+ nfsd_serv = svc_create_pooled(&nfsd_program,
+ NFSD_BUFSIZE - NFSSVC_MAXBLKSIZE + nfsd_max_blksize,
nfsd_last_thread,
nfsd, SIG_NOCLEAN, THIS_MODULE);
if (nfsd_serv == NULL)