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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-23 23:24:19 +0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-23 23:24:19 +0400 |
commit | 79c1cb7a8ca8f08cd78f7c5eebc85bbe937f5ad4 (patch) | |
tree | 0dafecbb8f729aed249e5ff66daa21a6136759c6 /Documentation/filesystems/proc.txt | |
parent | b0d19a378a409373244088511e889957645f2a44 (diff) | |
parent | 97e7e0f71d6d948c25f11f0a33878d9356d9579e (diff) | |
download | linux-79c1cb7a8ca8f08cd78f7c5eebc85bbe937f5ad4.tar.xz |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6:
[patch 7/7] vfs: mountinfo: show dominating group id
[patch 6/7] vfs: mountinfo: add /proc/<pid>/mountinfo
[patch 5/7] vfs: mountinfo: allow using process root
[patch 4/7] vfs: mountinfo: add mount peer group ID
[patch 3/7] vfs: mountinfo: add mount ID
[patch 2/7] vfs: mountinfo: add seq_file_root()
[patch 1/7] vfs: mountinfo: add dentry_path()
[PATCH] remove unused label in xattr.c (noise from ro-bind)
Diffstat (limited to 'Documentation/filesystems/proc.txt')
-rw-r--r-- | Documentation/filesystems/proc.txt | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt index 518ebe609e2b..2a99116edc47 100644 --- a/Documentation/filesystems/proc.txt +++ b/Documentation/filesystems/proc.txt @@ -43,6 +43,7 @@ Table of Contents 2.13 /proc/<pid>/oom_score - Display current oom-killer score 2.14 /proc/<pid>/io - Display the IO accounting fields 2.15 /proc/<pid>/coredump_filter - Core dump filtering settings + 2.16 /proc/<pid>/mountinfo - Information about mounts ------------------------------------------------------------------------------ Preface @@ -2348,4 +2349,41 @@ For example: $ echo 0x7 > /proc/self/coredump_filter $ ./some_program +2.16 /proc/<pid>/mountinfo - Information about mounts +-------------------------------------------------------- + +This file contains lines of the form: + +36 35 98:0 /mnt1 /mnt2 rw,noatime master:1 - ext3 /dev/root rw,errors=continue +(1)(2)(3) (4) (5) (6) (7) (8) (9) (10) (11) + +(1) mount ID: unique identifier of the mount (may be reused after umount) +(2) parent ID: ID of parent (or of self for the top of the mount tree) +(3) major:minor: value of st_dev for files on filesystem +(4) root: root of the mount within the filesystem +(5) mount point: mount point relative to the process's root +(6) mount options: per mount options +(7) optional fields: zero or more fields of the form "tag[:value]" +(8) separator: marks the end of the optional fields +(9) filesystem type: name of filesystem of the form "type[.subtype]" +(10) mount source: filesystem specific information or "none" +(11) super options: per super block options + +Parsers should ignore all unrecognised optional fields. Currently the +possible optional fields are: + +shared:X mount is shared in peer group X +master:X mount is slave to peer group X +propagate_from:X mount is slave and receives propagation from peer group X (*) +unbindable mount is unbindable + +(*) X is the closest dominant peer group under the process's root. If +X is the immediate master of the mount, or if there's no dominant peer +group under the same root, then only the "master:X" field is present +and not the "propagate_from:X" field. + +For more information on mount propagation see: + + Documentation/filesystems/sharedsubtree.txt + ------------------------------------------------------------------------------ |