NFS: use documenting macro constants for initializing ac{reg, dir}{min, max}

Clean up.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

3 files changed, 21 insertions, 16 deletions

diff --git a/fs/nfs/nfsroot.c b/fs/nfs/nfsroot.c
index 15afe3a6c5be..46763d1cd397 100644
--- a/fs/nfs/nfsroot.c
+++ b/fs/nfs/nfsroot.c
@@ -295,10 +295,10 @@ static int __init root_nfs_name(char *name)
         nfs_data.flags    = NFS_MOUNT_NONLM;    /* No lockd in nfs root yet */
         nfs_data.rsize    = NFS_DEF_FILE_IO_SIZE;
         nfs_data.wsize    = NFS_DEF_FILE_IO_SIZE;
-        nfs_data.acregmin = 3;
-        nfs_data.acregmax = 60;
-        nfs_data.acdirmin = 30;
-        nfs_data.acdirmax = 60;
+        nfs_data.acregmin = NFS_DEF_ACREGMIN;
+        nfs_data.acregmax = NFS_DEF_ACREGMAX;
+        nfs_data.acdirmin = NFS_DEF_ACDIRMIN;
+        nfs_data.acdirmax = NFS_DEF_ACDIRMAX;
         strcpy(buf, NFS_ROOT);
 
         /* Process options received from the remote server */
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index de424d2f3155..ebed63e0ff8e 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -518,13 +518,13 @@ static void nfs_show_mount_options(struct seq_file *m, struct nfs_server *nfss,
         if (nfss->bsize != 0)
                 seq_printf(m, ",bsize=%u", nfss->bsize);
         seq_printf(m, ",namlen=%u", nfss->namelen);
-        if (nfss->acregmin != 3*HZ || showdefaults)
+        if (nfss->acregmin != NFS_DEF_ACREGMIN*HZ || showdefaults)
                 seq_printf(m, ",acregmin=%u", nfss->acregmin/HZ);
-        if (nfss->acregmax != 60*HZ || showdefaults)
+        if (nfss->acregmax != NFS_DEF_ACREGMAX*HZ || showdefaults)
                 seq_printf(m, ",acregmax=%u", nfss->acregmax/HZ);
-        if (nfss->acdirmin != 30*HZ || showdefaults)
+        if (nfss->acdirmin != NFS_DEF_ACDIRMIN*HZ || showdefaults)
                 seq_printf(m, ",acdirmin=%u", nfss->acdirmin/HZ);
-        if (nfss->acdirmax != 60*HZ || showdefaults)
+        if (nfss->acdirmax != NFS_DEF_ACDIRMAX*HZ || showdefaults)
                 seq_printf(m, ",acdirmax=%u", nfss->acdirmax/HZ);
         for (nfs_infop = nfs_info; nfs_infop->flag; nfs_infop++) {
                 if (nfss->flags & nfs_infop->flag)
@@ -1460,10 +1460,10 @@ static int nfs_validate_mount_data(void *options,
         args->flags             = (NFS_MOUNT_VER3 | NFS_MOUNT_TCP);
         args->rsize             = NFS_MAX_FILE_IO_SIZE;
         args->wsize             = NFS_MAX_FILE_IO_SIZE;
-        args->acregmin          = 3;
-        args->acregmax          = 60;
-        args->acdirmin          = 30;
-        args->acdirmax          = 60;
+        args->acregmin          = NFS_DEF_ACREGMIN;
+        args->acregmax          = NFS_DEF_ACREGMAX;
+        args->acdirmin          = NFS_DEF_ACDIRMIN;
+        args->acdirmax          = NFS_DEF_ACDIRMAX;
         args->mount_server.port = 0;    /* autobind unless user sets port */
         args->nfs_server.port   = 0;    /* autobind unless user sets port */
         args->nfs_server.protocol = XPRT_TRANSPORT_TCP;
@@ -2119,10 +2119,10 @@ static int nfs4_validate_mount_data(void *options,
 
         args->rsize             = NFS_MAX_FILE_IO_SIZE;
         args->wsize             = NFS_MAX_FILE_IO_SIZE;
-        args->acregmin          = 3;
-        args->acregmax          = 60;
-        args->acdirmin          = 30;
-        args->acdirmax          = 60;
+        args->acregmin          = NFS_DEF_ACREGMIN;
+        args->acregmax          = NFS_DEF_ACREGMAX;
+        args->acdirmin          = NFS_DEF_ACDIRMIN;
+        args->acdirmax          = NFS_DEF_ACDIRMAX;
         args->nfs_server.port   = NFS_PORT; /* 2049 unless user set port= */
 
         switch (data->version) {
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index 830d9cc8cdce..29d261918734 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -20,6 +20,11 @@
 #define NFS_MAX_UDP_TIMEOUT     (60*HZ)
 #define NFS_MAX_TCP_TIMEOUT     (600*HZ)
 
+#define NFS_DEF_ACREGMIN        (3)
+#define NFS_DEF_ACREGMAX        (60)
+#define NFS_DEF_ACDIRMIN        (30)
+#define NFS_DEF_ACDIRMAX        (60)
+
 /*
  * When flushing a cluster of dirty pages, there can be different
  * strategies: