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| author | Cyrill Gorcunov <gorcunov@openvz.org> | 2012-12-17 16:05:18 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-17 17:15:28 -0800 |
| commit | e71ec593201e1b367b5f22955e3db49e3c562e67 (patch) | |
| tree | ed5b17a12905e5cf16141f49d263e9862b01458c | |
| parent | e6dbcafb744ab94a94142a6e721e16330397fad8 (diff) | |
| download | lwn-e71ec593201e1b367b5f22955e3db49e3c562e67.tar.gz lwn-e71ec593201e1b367b5f22955e3db49e3c562e67.zip | |
docs: update documentation about /proc/<pid>/fdinfo/<fd> fanotify output
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: Pavel Emelyanov <xemul@parallels.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Andrey Vagin <avagin@openvz.org>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: James Bottomley <jbottomley@parallels.com>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Matthew Helsley <matt.helsley@gmail.com>
Cc: "J. Bruce Fields" <bfields@fieldses.org>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@onelan.co.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | Documentation/filesystems/proc.txt | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt index bcc27c97efbb..fd8d0d594fc7 100644 --- a/Documentation/filesystems/proc.txt +++ b/Documentation/filesystems/proc.txt @@ -1698,21 +1698,27 @@ pair provide additional information particular to the objects they represent. If the kernel is built without exportfs support the file handle won't be printed out. - For fanotify files the format is - - pos: 0 - flags: 02 - fanotify ino:2 sdev:800013 mask:1 ignored_mask:40000000 fhandle-bytes:8 fhandle-type:1 f_handle:0200000000000000 + If there is no inotify mark attached yet the 'inotify' line will be omitted. - or + For fanotify files the format is pos: 0 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 in hex format. + fanotify flags:10 event-flags:0 + fanotify mnt_id:12 mflags:40 mask:38 ignored_mask:40000003 + fanotify ino:4f969 sdev:800013 mflags:0 mask:3b ignored_mask:40000000 fhandle-bytes:8 fhandle-type:1 f_handle:69f90400c275b5b4 + + where fanotify 'flags' and 'event-flags' are values used in fanotify_init + call, 'mnt_id' is the mount point identifier, 'mflags' is the value of + flags associated with mark which are tracked separately from events + mask. 'ino', 'sdev' are target inode and device, 'mask' is the events + mask and 'ignored_mask' is the mask of events which are to be ignored. + All in hex format. Incorporation of 'mflags', 'mask' and 'ignored_mask' + does provide information about flags and mask used in fanotify_mark + call [see fsnotify manpage for details]. + + While the first three lines are mandatory and always printed, the rest is + optional and may be omitted if no marks created yet. ------------------------------------------------------------------------------ |