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-rw-r--r--Documentation/filesystems/00-INDEX2
-rw-r--r--Documentation/filesystems/9p.txt18
-rw-r--r--Documentation/filesystems/ceph.txt11
-rw-r--r--Documentation/filesystems/tmpfs.txt6
4 files changed, 29 insertions, 8 deletions
diff --git a/Documentation/filesystems/00-INDEX b/Documentation/filesystems/00-INDEX
index 3bae418c6ad3..4303614b5add 100644
--- a/Documentation/filesystems/00-INDEX
+++ b/Documentation/filesystems/00-INDEX
@@ -16,6 +16,8 @@ befs.txt
- information about the BeOS filesystem for Linux.
bfs.txt
- info for the SCO UnixWare Boot Filesystem (BFS).
+ceph.txt
+ - info for the Ceph Distributed File System
cifs.txt
- description of the CIFS filesystem.
coda.txt
diff --git a/Documentation/filesystems/9p.txt b/Documentation/filesystems/9p.txt
index 57e0b80a5274..c0236e753bc8 100644
--- a/Documentation/filesystems/9p.txt
+++ b/Documentation/filesystems/9p.txt
@@ -37,6 +37,15 @@ For Plan 9 From User Space applications (http://swtch.com/plan9)
mount -t 9p `namespace`/acme /mnt/9 -o trans=unix,uname=$USER
+For server running on QEMU host with virtio transport:
+
+ mount -t 9p -o trans=virtio <mount_tag> /mnt/9
+
+where mount_tag is the tag associated by the server to each of the exported
+mount points. Each 9P export is seen by the client as a virtio device with an
+associated "mount_tag" property. Available mount tags can be
+seen by reading /sys/bus/virtio/drivers/9pnet_virtio/virtio<n>/mount_tag files.
+
OPTIONS
=======
@@ -47,7 +56,7 @@ OPTIONS
fd - used passed file descriptors for connection
(see rfdno and wfdno)
virtio - connect to the next virtio channel available
- (from lguest or KVM with trans_virtio module)
+ (from QEMU with trans_virtio module)
rdma - connect to a specified RDMA channel
uname=name user name to attempt mount as on the remote server. The
@@ -85,7 +94,12 @@ OPTIONS
port=n port to connect to on the remote server
- noextend force legacy mode (no 9p2000.u semantics)
+ noextend force legacy mode (no 9p2000.u or 9p2000.L semantics)
+
+ version=name Select 9P protocol version. Valid options are:
+ 9p2000 - Legacy mode (same as noextend)
+ 9p2000.u - Use 9P2000.u protocol
+ 9p2000.L - Use 9P2000.L protocol
dfltuid attempt to mount as a particular uid
diff --git a/Documentation/filesystems/ceph.txt b/Documentation/filesystems/ceph.txt
index 6e03917316bd..0660c9f5deef 100644
--- a/Documentation/filesystems/ceph.txt
+++ b/Documentation/filesystems/ceph.txt
@@ -8,7 +8,7 @@ Basic features include:
* POSIX semantics
* Seamless scaling from 1 to many thousands of nodes
- * High availability and reliability. No single points of failure.
+ * High availability and reliability. No single point of failure.
* N-way replication of data across storage nodes
* Fast recovery from node failures
* Automatic rebalancing of data on node addition/removal
@@ -94,7 +94,7 @@ Mount Options
wsize=X
Specify the maximum write size in bytes. By default there is no
- maximu. Ceph will normally size writes based on the file stripe
+ maximum. Ceph will normally size writes based on the file stripe
size.
rsize=X
@@ -115,7 +115,7 @@ Mount Options
number of entries in that directory.
nocrc
- Disable CRC32C calculation for data writes. If set, the OSD
+ Disable CRC32C calculation for data writes. If set, the storage node
must rely on TCP's error correction to detect data corruption
in the data payload.
@@ -133,7 +133,8 @@ For more information on Ceph, see the home page at
http://ceph.newdream.net/
The Linux kernel client source tree is available at
- git://ceph.newdream.net/linux-ceph-client.git
+ git://ceph.newdream.net/git/ceph-client.git
+ git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client.git
and the source for the full system is at
- git://ceph.newdream.net/ceph.git
+ git://ceph.newdream.net/git/ceph.git
diff --git a/Documentation/filesystems/tmpfs.txt b/Documentation/filesystems/tmpfs.txt
index 3015da0c6b2a..fe09a2cb1858 100644
--- a/Documentation/filesystems/tmpfs.txt
+++ b/Documentation/filesystems/tmpfs.txt
@@ -82,11 +82,13 @@ tmpfs has a mount option to set the NUMA memory allocation policy for
all files in that instance (if CONFIG_NUMA is enabled) - which can be
adjusted on the fly via 'mount -o remount ...'
-mpol=default prefers to allocate memory from the local node
+mpol=default use the process allocation policy
+ (see set_mempolicy(2))
mpol=prefer:Node prefers to allocate memory from the given Node
mpol=bind:NodeList allocates memory only from nodes in NodeList
mpol=interleave prefers to allocate from each node in turn
mpol=interleave:NodeList allocates from each node of NodeList in turn
+mpol=local prefers to allocate memory from the local node
NodeList format is a comma-separated list of decimal numbers and ranges,
a range being two hyphen-separated decimal numbers, the smallest and
@@ -134,3 +136,5 @@ Author:
Christoph Rohland <cr@sap.com>, 1.12.01
Updated:
Hugh Dickins, 4 June 2007
+Updated:
+ KOSAKI Motohiro, 16 Mar 2010