diff options
Diffstat (limited to 'Documentation/filesystems')
-rw-r--r-- | Documentation/filesystems/00-INDEX | 2 | ||||
-rw-r--r-- | Documentation/filesystems/9p.txt | 18 | ||||
-rw-r--r-- | Documentation/filesystems/ceph.txt | 11 | ||||
-rw-r--r-- | Documentation/filesystems/tmpfs.txt | 6 |
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 | |||
16 | - information about the BeOS filesystem for Linux. | 16 | - information about the BeOS filesystem for Linux. |
17 | bfs.txt | 17 | bfs.txt |
18 | - info for the SCO UnixWare Boot Filesystem (BFS). | 18 | - info for the SCO UnixWare Boot Filesystem (BFS). |
19 | ceph.txt | ||
20 | - info for the Ceph Distributed File System | ||
19 | cifs.txt | 21 | cifs.txt |
20 | - description of the CIFS filesystem. | 22 | - description of the CIFS filesystem. |
21 | coda.txt | 23 | 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) | |||
37 | 37 | ||
38 | mount -t 9p `namespace`/acme /mnt/9 -o trans=unix,uname=$USER | 38 | mount -t 9p `namespace`/acme /mnt/9 -o trans=unix,uname=$USER |
39 | 39 | ||
40 | For server running on QEMU host with virtio transport: | ||
41 | |||
42 | mount -t 9p -o trans=virtio <mount_tag> /mnt/9 | ||
43 | |||
44 | where mount_tag is the tag associated by the server to each of the exported | ||
45 | mount points. Each 9P export is seen by the client as a virtio device with an | ||
46 | associated "mount_tag" property. Available mount tags can be | ||
47 | seen by reading /sys/bus/virtio/drivers/9pnet_virtio/virtio<n>/mount_tag files. | ||
48 | |||
40 | OPTIONS | 49 | OPTIONS |
41 | ======= | 50 | ======= |
42 | 51 | ||
@@ -47,7 +56,7 @@ OPTIONS | |||
47 | fd - used passed file descriptors for connection | 56 | fd - used passed file descriptors for connection |
48 | (see rfdno and wfdno) | 57 | (see rfdno and wfdno) |
49 | virtio - connect to the next virtio channel available | 58 | virtio - connect to the next virtio channel available |
50 | (from lguest or KVM with trans_virtio module) | 59 | (from QEMU with trans_virtio module) |
51 | rdma - connect to a specified RDMA channel | 60 | rdma - connect to a specified RDMA channel |
52 | 61 | ||
53 | uname=name user name to attempt mount as on the remote server. The | 62 | uname=name user name to attempt mount as on the remote server. The |
@@ -85,7 +94,12 @@ OPTIONS | |||
85 | 94 | ||
86 | port=n port to connect to on the remote server | 95 | port=n port to connect to on the remote server |
87 | 96 | ||
88 | noextend force legacy mode (no 9p2000.u semantics) | 97 | noextend force legacy mode (no 9p2000.u or 9p2000.L semantics) |
98 | |||
99 | version=name Select 9P protocol version. Valid options are: | ||
100 | 9p2000 - Legacy mode (same as noextend) | ||
101 | 9p2000.u - Use 9P2000.u protocol | ||
102 | 9p2000.L - Use 9P2000.L protocol | ||
89 | 103 | ||
90 | dfltuid attempt to mount as a particular uid | 104 | dfltuid attempt to mount as a particular uid |
91 | 105 | ||
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: | |||
8 | 8 | ||
9 | * POSIX semantics | 9 | * POSIX semantics |
10 | * Seamless scaling from 1 to many thousands of nodes | 10 | * Seamless scaling from 1 to many thousands of nodes |
11 | * High availability and reliability. No single points of failure. | 11 | * High availability and reliability. No single point of failure. |
12 | * N-way replication of data across storage nodes | 12 | * N-way replication of data across storage nodes |
13 | * Fast recovery from node failures | 13 | * Fast recovery from node failures |
14 | * Automatic rebalancing of data on node addition/removal | 14 | * Automatic rebalancing of data on node addition/removal |
@@ -94,7 +94,7 @@ Mount Options | |||
94 | 94 | ||
95 | wsize=X | 95 | wsize=X |
96 | Specify the maximum write size in bytes. By default there is no | 96 | Specify the maximum write size in bytes. By default there is no |
97 | maximu. Ceph will normally size writes based on the file stripe | 97 | maximum. Ceph will normally size writes based on the file stripe |
98 | size. | 98 | size. |
99 | 99 | ||
100 | rsize=X | 100 | rsize=X |
@@ -115,7 +115,7 @@ Mount Options | |||
115 | number of entries in that directory. | 115 | number of entries in that directory. |
116 | 116 | ||
117 | nocrc | 117 | nocrc |
118 | Disable CRC32C calculation for data writes. If set, the OSD | 118 | Disable CRC32C calculation for data writes. If set, the storage node |
119 | must rely on TCP's error correction to detect data corruption | 119 | must rely on TCP's error correction to detect data corruption |
120 | in the data payload. | 120 | in the data payload. |
121 | 121 | ||
@@ -133,7 +133,8 @@ For more information on Ceph, see the home page at | |||
133 | http://ceph.newdream.net/ | 133 | http://ceph.newdream.net/ |
134 | 134 | ||
135 | The Linux kernel client source tree is available at | 135 | The Linux kernel client source tree is available at |
136 | git://ceph.newdream.net/linux-ceph-client.git | 136 | git://ceph.newdream.net/git/ceph-client.git |
137 | git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client.git | ||
137 | 138 | ||
138 | and the source for the full system is at | 139 | and the source for the full system is at |
139 | git://ceph.newdream.net/ceph.git | 140 | 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 | |||
82 | all files in that instance (if CONFIG_NUMA is enabled) - which can be | 82 | all files in that instance (if CONFIG_NUMA is enabled) - which can be |
83 | adjusted on the fly via 'mount -o remount ...' | 83 | adjusted on the fly via 'mount -o remount ...' |
84 | 84 | ||
85 | mpol=default prefers to allocate memory from the local node | 85 | mpol=default use the process allocation policy |
86 | (see set_mempolicy(2)) | ||
86 | mpol=prefer:Node prefers to allocate memory from the given Node | 87 | mpol=prefer:Node prefers to allocate memory from the given Node |
87 | mpol=bind:NodeList allocates memory only from nodes in NodeList | 88 | mpol=bind:NodeList allocates memory only from nodes in NodeList |
88 | mpol=interleave prefers to allocate from each node in turn | 89 | mpol=interleave prefers to allocate from each node in turn |
89 | mpol=interleave:NodeList allocates from each node of NodeList in turn | 90 | mpol=interleave:NodeList allocates from each node of NodeList in turn |
91 | mpol=local prefers to allocate memory from the local node | ||
90 | 92 | ||
91 | NodeList format is a comma-separated list of decimal numbers and ranges, | 93 | NodeList format is a comma-separated list of decimal numbers and ranges, |
92 | a range being two hyphen-separated decimal numbers, the smallest and | 94 | a range being two hyphen-separated decimal numbers, the smallest and |
@@ -134,3 +136,5 @@ Author: | |||
134 | Christoph Rohland <cr@sap.com>, 1.12.01 | 136 | Christoph Rohland <cr@sap.com>, 1.12.01 |
135 | Updated: | 137 | Updated: |
136 | Hugh Dickins, 4 June 2007 | 138 | Hugh Dickins, 4 June 2007 |
139 | Updated: | ||
140 | KOSAKI Motohiro, 16 Mar 2010 | ||