Re: [patch -mm 4/4] docs: Add documentation about/proc/<pid>/fdinfo/<fd> output

From: Andrew Morton
Date: Tue Nov 27 2012 - 17:47:44 EST


On Fri, 23 Nov 2012 01:15:26 +0400
Cyrill Gorcunov <gorcunov@xxxxxxxxxx> wrote:

> Documentation/filesystems/proc.txt | 81 +++++++++++++++++++++++++++++++++++++

Looks good to me. Here's a small tune-up:

--- a/Documentation/filesystems/proc.txt~docs-add-documentation-about-proc-pid-fdinfo-fd-output-fix
+++ a/Documentation/filesystems/proc.txt
@@ -1639,7 +1639,7 @@ if precise results are needed.
This file provides information associated with an opened file. The regular
files have at least two fields -- 'pos' and 'flags'. The 'pos' represents
the current offset of the opened file in decimal form [see lseek(2) for
-details] and the 'flags' denotes octal O_xxx mask the file has been
+details] and 'flags' denotes the octal O_xxx mask the file has been
created with [see open(2) for details].

A typical output is
@@ -1648,7 +1648,7 @@ A typical output is
flags: 0100002

The files such as eventfd, fsnotify, signalfd, epoll among the regular pos/flags
-pair provide additional information peculiar to the objects they represent.
+pair provide additional information particular to the objects they represent.

Eventfd files
~~~~~~~~~~~~~
@@ -1687,17 +1687,18 @@ pair provide additional information pecu

where 'wd' is a watch descriptor in decimal form, ie a target file
descriptor number, 'ino' and 'sdev' are inode and device where the
- target file lays on and the 'mask' is the mask of events, all in hex
+ target file resides and the 'mask' is the mask of events, all in hex
form [see inotify(7) for more details].

- In case if the kernel built with exportfs the path to the target file
- is encoded as a file handle. The file handle provided by three fields
- 'fhandle-bytes', 'fhandle-type' and 'f_handle', all in hex format.
+ If the kernel was built with exportfs support, the path to the target
+ file is encoded as a file handle. The file handle is provided by three
+ fields 'fhandle-bytes', 'fhandle-type' and 'f_handle', all in hex
+ format.

If the kernel is built without exportfs support the file handle won't be
printed out.

- For fanotify files the format is the following
+ For fanotify files the format is

pos: 0
flags: 02
@@ -1709,9 +1710,9 @@ pair provide additional information pecu
flags: 02
fanotify mnt_id:13 mask:1 ignored_mask:40000000

- where 'ino', 'sdev' are target inode and device, 'mnt_id' is the mount point identifier,
- 'mask' is the events mask used and 'ignored_mask' is the mask of events which are
- to be ignored. All written in hex format.
+ where 'ino', 'sdev' are target inode and device, 'mnt_id' is the mount
+ point identifier, 'mask' is the events mask used and 'ignored_mask' is
+ the mask of events which are to be ignored. All in hex format.


------------------------------------------------------------------------------
_

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/