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-rw-r--r--xlators/nfs/server/src/nfs3.h75
1 files changed, 45 insertions, 30 deletions
diff --git a/xlators/nfs/server/src/nfs3.h b/xlators/nfs/server/src/nfs3.h
index 111542bc6..0c35445a4 100644
--- a/xlators/nfs/server/src/nfs3.h
+++ b/xlators/nfs/server/src/nfs3.h
@@ -2,19 +2,10 @@
Copyright (c) 2010-2011 Gluster, Inc. <http://www.gluster.com>
This file is part of GlusterFS.
- GlusterFS is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 3 of the License,
- or (at your option) any later version.
-
- GlusterFS is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see
- <http://www.gnu.org/licenses/>.
+ This file is licensed to you under your choice of the GNU Lesser
+ General Public License, version 3 or any later version (LGPLv3 or
+ later), or the GNU General Public License, version 2 (GPLv2), in all
+ cases as published by the Free Software Foundation.
*/
#ifndef _NFS3_H_
@@ -48,16 +39,39 @@
/* Static values used for FSINFO
-FIXME: This should be configurable */
-#define GF_NFS3_RTMAX (64 * GF_UNIT_KB)
-#define GF_NFS3_RTPREF (64 * GF_UNIT_KB)
-#define GF_NFS3_RTMULT (4 * GF_UNIT_KB)
-#define GF_NFS3_WTMAX (64 * GF_UNIT_KB)
-#define GF_NFS3_WTPREF (64 * GF_UNIT_KB)
-#define GF_NFS3_WTMULT (4 * GF_UNIT_KB)
-#define GF_NFS3_DTMIN (4 * GF_UNIT_KB)
-#define GF_NFS3_DTPREF (64 * GF_UNIT_KB)
-#define GF_NFS3_MAXFILE (1 * GF_UNIT_PB)
+ * To change the maximum rsize and wsize supported by the NFS client, adjust
+ * GF_NFS3_FILE_IO_SIZE_MAX. The Gluster NFS server defaults to 1MB(1048576)
+ * (same as kernel NFS server). For slower network, rsize/wsize can be trimmed
+ * to 16/32/64-KB. rsize and wsize can be tuned through nfs.read-size and
+ * nfs.write-size respectively.
+ *
+ * NB: For Kernel-NFS, NFS_MAX_FILE_IO_SIZE is 1048576U (1MB).
+ */
+#define GF_NFS3_FILE_IO_SIZE_MAX (1 * GF_UNIT_MB) /* 1048576 */
+#define GF_NFS3_FILE_IO_SIZE_MIN (4 * GF_UNIT_KB) /* 4096 */
+
+#define GF_NFS3_FILE_IO_SIZE_DEF GF_NFS3_FILE_IO_SIZE_MAX
+
+#define GF_NFS3_RTMAX GF_NFS3_FILE_IO_SIZE_MAX
+#define GF_NFS3_RTMIN GF_NFS3_FILE_IO_SIZE_MIN
+#define GF_NFS3_RTPREF GF_NFS3_FILE_IO_SIZE_DEF
+#define GF_NFS3_RTMULT GF_NFS3_FILE_IO_SIZE_MIN
+
+#define GF_NFS3_WTMAX GF_NFS3_FILE_IO_SIZE_MAX
+#define GF_NFS3_WTMIN GF_NFS3_FILE_IO_SIZE_MIN
+#define GF_NFS3_WTPREF GF_NFS3_FILE_IO_SIZE_DEF
+#define GF_NFS3_WTMULT GF_NFS3_FILE_IO_SIZE_MIN
+
+/* This can be tuned through nfs.readdir-size */
+#define GF_NFS3_DTMAX GF_NFS3_FILE_IO_SIZE_MAX
+#define GF_NFS3_DTMIN GF_NFS3_FILE_IO_SIZE_MIN
+#define GF_NFS3_DTPREF GF_NFS3_FILE_IO_SIZE_DEF
+
+#define GF_NFS3_MAXFILESIZE (1 * GF_UNIT_PB)
+
+#define GF_NFS3_IO_SIZE 4096 /* 4-KB */
+#define GF_NFS3_IO_SHIFT 12 /* 2^12 = 4KB */
+
/* FIXME: Handle time resolutions */
#define GF_NFS3_TIMEDELTA_SECS {1,0}
#define GF_NFS3_TIMEDELTA_NSECS {0,1}
@@ -120,20 +134,21 @@ typedef struct nfs3_state {
uint64_t serverstart;
/* NFSv3 Protocol configurables */
- size_t readsize;
- size_t writesize;
- size_t readdirsize;
+ uint64_t readsize;
+ uint64_t writesize;
+ uint64_t readdirsize;
/* Size of the iobufs used, depends on the sizes of the three params
* above.
*/
- size_t iobsize;
+ uint64_t iobsize;
unsigned int memfactor;
struct list_head fdlru;
gf_lock_t fdlrulock;
int fdcount;
+ uint32_t occ_logger;
} nfs3_state_t;
typedef enum nfs3_lookup_type {
@@ -262,9 +277,9 @@ struct inode_op_queue {
pthread_mutex_t qlock;
};
-
-
-
extern rpcsvc_program_t *
nfs3svc_init (xlator_t *nfsx);
+
+extern int
+nfs3_reconfigure_state (xlator_t *nfsx, dict_t *options);
#endif