From e71ec593201e1b367b5f22955e3db49e3c562e67 Mon Sep 17 00:00:00 2001 From: Cyrill Gorcunov Date: Mon, 17 Dec 2012 16:05:18 -0800 Subject: docs: update documentation about /proc//fdinfo/ fanotify output Signed-off-by: Cyrill Gorcunov Cc: Pavel Emelyanov Cc: Oleg Nesterov Cc: Andrey Vagin Cc: Al Viro Cc: Alexey Dobriyan Cc: James Bottomley Cc: "Aneesh Kumar K.V" Cc: Alexey Dobriyan Cc: Matthew Helsley Cc: "J. Bruce Fields" Cc: "Aneesh Kumar K.V" Cc: Tvrtko Ursulin Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/filesystems/proc.txt | 28 +++++++++++++++++----------- 1 file changed, 17 insertions(+), 11 deletions(-) (limited to 'Documentation') diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt index bcc27c97efb..fd8d0d594fc 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. ------------------------------------------------------------------------------ -- cgit v1.2.3-18-g5258