Messages in this thread Patch in this message | | | Date | Sat, 08 Dec 2012 00:53:01 +0400 | From | Cyrill Gorcunov <> | Subject | [patch 2/2] [PATCH -mm] docs: Update documentation about /proc/<pid>/fdinfo/<fd> fanotify output |
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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: Andrew Morton <akpm@linux-foundation.org> 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> --- Documentation/filesystems/proc.txt | 26 ++++++++++++++++---------- 1 file changed, 16 insertions(+), 10 deletions(-)
Index: linux-2.6.git/Documentation/filesystems/proc.txt =================================================================== --- linux-2.6.git.orig/Documentation/filesystems/proc.txt +++ linux-2.6.git/Documentation/filesystems/proc.txt @@ -1696,21 +1696,27 @@ pair provide additional information part If the kernel is built without exportfs support the file handle won't be printed out. - For fanotify files the format is + If there is no inotify mark attached yet the 'inotify' line will be omitted. - pos: 0 - flags: 02 - fanotify ino:2 sdev:800013 mask:1 ignored_mask:40000000 fhandle-bytes:8 fhandle-type:1 f_handle:0200000000000000 - - or + For fanotify files the format is pos: 0 flags: 02 - fanotify mnt_id:13 mask:1 ignored_mask:40000000 + 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]. - 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. + While the first three lines are mandatory and always printed, the rest is + optional and may be omitted if no marks created yet. ------------------------------------------------------------------------------
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