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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2010-01-21 23:55:25 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2010-01-21 23:55:25 -0800
commit7755726fe90a8b253659756e6de68c1a55aa427f (patch)
treea3523fa77e07854db3b8089e3066a55ea997060c /Documentation/filesystems
parent3bf127637e22ddf95e67e10a23c339cee3d52429 (diff)
parent92dcffb916d309aa01778bf8963a6932e4014d07 (diff)
Merge commit 'v2.6.33-rc5' into next
Diffstat (limited to 'Documentation/filesystems')
-rw-r--r--Documentation/filesystems/00-INDEX12
-rw-r--r--Documentation/filesystems/ext4.txt2
-rw-r--r--Documentation/filesystems/nfs/00-INDEX16
-rw-r--r--Documentation/filesystems/nfs/Exporting (renamed from Documentation/filesystems/Exporting)0
-rw-r--r--Documentation/filesystems/nfs/knfsd-stats.txt (renamed from Documentation/filesystems/knfsd-stats.txt)0
-rw-r--r--Documentation/filesystems/nfs/nfs-rdma.txt (renamed from Documentation/filesystems/nfs-rdma.txt)0
-rw-r--r--Documentation/filesystems/nfs/nfs.txt (renamed from Documentation/filesystems/nfs.txt)0
-rw-r--r--Documentation/filesystems/nfs/nfs41-server.txt (renamed from Documentation/filesystems/nfs41-server.txt)9
-rw-r--r--Documentation/filesystems/nfs/nfsroot.txt (renamed from Documentation/filesystems/nfsroot.txt)0
-rw-r--r--Documentation/filesystems/nfs/rpc-cache.txt (renamed from Documentation/filesystems/rpc-cache.txt)0
-rw-r--r--Documentation/filesystems/nilfs2.txt2
-rw-r--r--Documentation/filesystems/porting2
-rw-r--r--Documentation/filesystems/proc.txt11
-rw-r--r--Documentation/filesystems/seq_file.txt4
-rw-r--r--Documentation/filesystems/sysfs.txt12
15 files changed, 45 insertions, 25 deletions
diff --git a/Documentation/filesystems/00-INDEX b/Documentation/filesystems/00-INDEX
index 7001782ab93..875d49696b6 100644
--- a/Documentation/filesystems/00-INDEX
+++ b/Documentation/filesystems/00-INDEX
@@ -1,7 +1,5 @@
00-INDEX
- this file (info on some of the filesystems supported by linux).
-Exporting
- - explanation of how to make filesystems exportable.
Locking
- info on locking rules as they pertain to Linux VFS.
9p.txt
@@ -68,12 +66,8 @@ mandatory-locking.txt
- info on the Linux implementation of Sys V mandatory file locking.
ncpfs.txt
- info on Novell Netware(tm) filesystem using NCP protocol.
-nfs41-server.txt
- - info on the Linux server implementation of NFSv4 minor version 1.
-nfs-rdma.txt
- - how to install and setup the Linux NFS/RDMA client and server software.
-nfsroot.txt
- - short guide on setting up a diskless box with NFS root filesystem.
+nfs/
+ - nfs-related documentation.
nilfs2.txt
- info and mount options for the NILFS2 filesystem.
ntfs.txt
@@ -92,8 +86,6 @@ relay.txt
- info on relay, for efficient streaming from kernel to user space.
romfs.txt
- description of the ROMFS filesystem.
-rpc-cache.txt
- - introduction to the caching mechanisms in the sunrpc layer.
seq_file.txt
- how to use the seq_file API
sharedsubtree.txt
diff --git a/Documentation/filesystems/ext4.txt b/Documentation/filesystems/ext4.txt
index af6885c3c82..e1def1786e5 100644
--- a/Documentation/filesystems/ext4.txt
+++ b/Documentation/filesystems/ext4.txt
@@ -196,7 +196,7 @@ nobarrier This also requires an IO stack which can support
also be used to enable or disable barriers, for
consistency with other ext4 mount options.
-inode_readahead=n This tuning parameter controls the maximum
+inode_readahead_blks=n This tuning parameter controls the maximum
number of inode table blocks that ext4's inode
table readahead algorithm will pre-read into
the buffer cache. The default value is 32 blocks.
diff --git a/Documentation/filesystems/nfs/00-INDEX b/Documentation/filesystems/nfs/00-INDEX
new file mode 100644
index 00000000000..2f68cd68876
--- /dev/null
+++ b/Documentation/filesystems/nfs/00-INDEX
@@ -0,0 +1,16 @@
+00-INDEX
+ - this file (nfs-related documentation).
+Exporting
+ - explanation of how to make filesystems exportable.
+knfsd-stats.txt
+ - statistics which the NFS server makes available to user space.
+nfs.txt
+ - nfs client, and DNS resolution for fs_locations.
+nfs41-server.txt
+ - info on the Linux server implementation of NFSv4 minor version 1.
+nfs-rdma.txt
+ - how to install and setup the Linux NFS/RDMA client and server software
+nfsroot.txt
+ - short guide on setting up a diskless box with NFS root filesystem.
+rpc-cache.txt
+ - introduction to the caching mechanisms in the sunrpc layer.
diff --git a/Documentation/filesystems/Exporting b/Documentation/filesystems/nfs/Exporting
index 87019d2b598..87019d2b598 100644
--- a/Documentation/filesystems/Exporting
+++ b/Documentation/filesystems/nfs/Exporting
diff --git a/Documentation/filesystems/knfsd-stats.txt b/Documentation/filesystems/nfs/knfsd-stats.txt
index 64ced5149d3..64ced5149d3 100644
--- a/Documentation/filesystems/knfsd-stats.txt
+++ b/Documentation/filesystems/nfs/knfsd-stats.txt
diff --git a/Documentation/filesystems/nfs-rdma.txt b/Documentation/filesystems/nfs/nfs-rdma.txt
index e386f7e4bce..e386f7e4bce 100644
--- a/Documentation/filesystems/nfs-rdma.txt
+++ b/Documentation/filesystems/nfs/nfs-rdma.txt
diff --git a/Documentation/filesystems/nfs.txt b/Documentation/filesystems/nfs/nfs.txt
index f50f26ce6cd..f50f26ce6cd 100644
--- a/Documentation/filesystems/nfs.txt
+++ b/Documentation/filesystems/nfs/nfs.txt
diff --git a/Documentation/filesystems/nfs41-server.txt b/Documentation/filesystems/nfs/nfs41-server.txt
index 5920fe26e6f..1bd0d0c0517 100644
--- a/Documentation/filesystems/nfs41-server.txt
+++ b/Documentation/filesystems/nfs/nfs41-server.txt
@@ -41,7 +41,7 @@ interoperability problems with future clients. Known issues:
conformant with the spec (for example, we don't use kerberos
on the backchannel correctly).
- no trunking support: no clients currently take advantage of
- trunking, but this is a mandatory failure, and its use is
+ trunking, but this is a mandatory feature, and its use is
recommended to clients in a number of places. (E.g. to ensure
timely renewal in case an existing connection's retry timeouts
have gotten too long; see section 8.3 of the draft.)
@@ -213,3 +213,10 @@ The following cases aren't supported yet:
DESTROY_CLIENTID, DESTROY_SESSION, EXCHANGE_ID.
* DESTROY_SESSION MUST be the final operation in the COMPOUND request.
+Nonstandard compound limitations:
+* No support for a sessions fore channel RPC compound that requires both a
+ ca_maxrequestsize request and a ca_maxresponsesize reply, so we may
+ fail to live up to the promise we made in CREATE_SESSION fore channel
+ negotiation.
+* No more than one IO operation (read, write, readdir) allowed per
+ compound.
diff --git a/Documentation/filesystems/nfsroot.txt b/Documentation/filesystems/nfs/nfsroot.txt
index 3ba0b945aaf..3ba0b945aaf 100644
--- a/Documentation/filesystems/nfsroot.txt
+++ b/Documentation/filesystems/nfs/nfsroot.txt
diff --git a/Documentation/filesystems/rpc-cache.txt b/Documentation/filesystems/nfs/rpc-cache.txt
index 8a382bea680..8a382bea680 100644
--- a/Documentation/filesystems/rpc-cache.txt
+++ b/Documentation/filesystems/nfs/rpc-cache.txt
diff --git a/Documentation/filesystems/nilfs2.txt b/Documentation/filesystems/nilfs2.txt
index 4949fcaa6b6..839efd8a8a8 100644
--- a/Documentation/filesystems/nilfs2.txt
+++ b/Documentation/filesystems/nilfs2.txt
@@ -28,7 +28,7 @@ described in the man pages included in the package.
Project web page: http://www.nilfs.org/en/
Download page: http://www.nilfs.org/en/download.html
Git tree web page: http://www.nilfs.org/git/
-NILFS mailing lists: http://www.nilfs.org/mailman/listinfo/users
+List info: http://vger.kernel.org/vger-lists.html#linux-nilfs
Caveats
=======
diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting
index 92b888d540a..a7e9746ee7e 100644
--- a/Documentation/filesystems/porting
+++ b/Documentation/filesystems/porting
@@ -140,7 +140,7 @@ Callers of notify_change() need ->i_mutex now.
New super_block field "struct export_operations *s_export_op" for
explicit support for exporting, e.g. via NFS. The structure is fully
documented at its declaration in include/linux/fs.h, and in
-Documentation/filesystems/Exporting.
+Documentation/filesystems/nfs/Exporting.
Briefly it allows for the definition of decode_fh and encode_fh operations
to encode and decode filehandles, and allows the filesystem to use
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index 94b9f2056f4..0d07513a67a 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -38,6 +38,7 @@ Table of Contents
3.3 /proc/<pid>/io - Display the IO accounting fields
3.4 /proc/<pid>/coredump_filter - Core dump filtering settings
3.5 /proc/<pid>/mountinfo - Information about mounts
+ 3.6 /proc/<pid>/comm & /proc/<pid>/task/<tid>/comm
------------------------------------------------------------------------------
@@ -176,7 +177,6 @@ read the file /proc/PID/status:
CapBnd: ffffffffffffffff
voluntary_ctxt_switches: 0
nonvoluntary_ctxt_switches: 1
- Stack usage: 12 kB
This shows you nearly the same information you would get if you viewed it with
the ps command. In fact, ps uses the proc file system to obtain its
@@ -230,7 +230,6 @@ Table 1-2: Contents of the statm files (as of 2.6.30-rc7)
Mems_allowed_list Same as previous, but in "list format"
voluntary_ctxt_switches number of voluntary context switches
nonvoluntary_ctxt_switches number of non voluntary context switches
- Stack usage: stack usage high water mark (round up to page size)
..............................................................................
Table 1-3: Contents of the statm files (as of 2.6.8-rc3)
@@ -1409,3 +1408,11 @@ For more information on mount propagation see:
Documentation/filesystems/sharedsubtree.txt
+
+3.6 /proc/<pid>/comm & /proc/<pid>/task/<tid>/comm
+--------------------------------------------------------
+These files provide a method to access a tasks comm value. It also allows for
+a task to set its own or one of its thread siblings comm value. The comm value
+is limited in size compared to the cmdline value, so writing anything longer
+then the kernel's TASK_COMM_LEN (currently 16 chars) will result in a truncated
+comm value.
diff --git a/Documentation/filesystems/seq_file.txt b/Documentation/filesystems/seq_file.txt
index 0d15ebccf5b..a1e2e0dda90 100644
--- a/Documentation/filesystems/seq_file.txt
+++ b/Documentation/filesystems/seq_file.txt
@@ -248,9 +248,7 @@ code, that is done in the initialization code in the usual way:
{
struct proc_dir_entry *entry;
- entry = create_proc_entry("sequence", 0, NULL);
- if (entry)
- entry->proc_fops = &ct_file_ops;
+ proc_create("sequence", 0, NULL, &ct_file_ops);
return 0;
}
diff --git a/Documentation/filesystems/sysfs.txt b/Documentation/filesystems/sysfs.txt
index b245d524d56..931c806642c 100644
--- a/Documentation/filesystems/sysfs.txt
+++ b/Documentation/filesystems/sysfs.txt
@@ -91,8 +91,8 @@ struct device_attribute {
const char *buf, size_t count);
};
-int device_create_file(struct device *, struct device_attribute *);
-void device_remove_file(struct device *, struct device_attribute *);
+int device_create_file(struct device *, const struct device_attribute *);
+void device_remove_file(struct device *, const struct device_attribute *);
It also defines this helper for defining device attributes:
@@ -316,8 +316,8 @@ DEVICE_ATTR(_name, _mode, _show, _store);
Creation/Removal:
-int device_create_file(struct device *device, struct device_attribute * attr);
-void device_remove_file(struct device * dev, struct device_attribute * attr);
+int device_create_file(struct device *dev, const struct device_attribute * attr);
+void device_remove_file(struct device *dev, const struct device_attribute * attr);
- bus drivers (include/linux/device.h)
@@ -358,7 +358,7 @@ DRIVER_ATTR(_name, _mode, _show, _store)
Creation/Removal:
-int driver_create_file(struct device_driver *, struct driver_attribute *);
-void driver_remove_file(struct device_driver *, struct driver_attribute *);
+int driver_create_file(struct device_driver *, const struct driver_attribute *);
+void driver_remove_file(struct device_driver *, const struct driver_attribute *);