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authorTrond Myklebust <Trond.Myklebust@netapp.com>2012-02-07 04:50:40 +0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-02-15 09:19:44 +0400
commitef159e9177cc5a09e6174796dde0b2d243ddf28b (patch)
tree848dc5cc90b9090a1bfb00021cf3e3511569fdef /include/linux/nfs_fs_sb.h
parent45d43c291e9a922d7b432b0dbcb1d8fb70d8410f (diff)
downloadlinux-ef159e9177cc5a09e6174796dde0b2d243ddf28b.tar.xz
NFSv4.1: Add a module parameter to set the number of session slots
Add the module parameter 'max_session_slots' to set the initial number of slots that the NFSv4.1 client will attempt to negotiate with the server. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include/linux/nfs_fs_sb.h')
-rw-r--r--include/linux/nfs_fs_sb.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index 2ae57f2f645b..3bf47666646e 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -190,13 +190,14 @@ struct nfs_server {
/* maximum number of slots to use */
-#define NFS4_MAX_SLOT_TABLE (128U)
+#define NFS4_DEF_SLOT_TABLE_SIZE (16U)
+#define NFS4_MAX_SLOT_TABLE (256U)
#define NFS4_NO_SLOT ((u32)-1)
#if defined(CONFIG_NFS_V4)
/* Sessions */
-#define SLOT_TABLE_SZ (NFS4_MAX_SLOT_TABLE/(8*sizeof(long)))
+#define SLOT_TABLE_SZ DIV_ROUND_UP(NFS4_MAX_SLOT_TABLE, 8*sizeof(long))
struct nfs4_slot_table {
struct nfs4_slot *slots; /* seqid per slot */
unsigned long used_slots[SLOT_TABLE_SZ]; /* used/unused bitmap */