1 .\" Hey Emacs! This file is -*- nroff -*- source.
3 .\" Copyright (C) 1993 Rickard E. Faith <faith@cs.unc.edu>
4 .\" and Copyright (C) 1994 Andries E. Brouwer <aeb@cwi.nl>
5 .\" and Copyright (C) 2002, 2005 Michael Kerrisk <mtk.manpages@gmail.com>
7 .\" Permission is granted to make and distribute verbatim copies of this
8 .\" manual provided the copyright notice and this permission notice are
9 .\" preserved on all copies.
11 .\" Permission is granted to copy and distribute modified versions of this
12 .\" manual under the conditions for verbatim copying, provided that the
13 .\" entire resulting derived work is distributed under the terms of a
14 .\" permission notice identical to this one.
16 .\" Since the Linux kernel and libraries are constantly changing, this
17 .\" manual page may be incorrect or out-of-date. The author(s) assume no
18 .\" responsibility for errors or omissions, or for damages resulting from
19 .\" the use of the information contained herein. The author(s) may not
20 .\" have taken the same level of care in the production of this manual,
21 .\" which is licensed free of charge, as they might when working
24 .\" Formatted or processed versions of this manual, if unaccompanied by
25 .\" the source, must acknowledge the copyright and authors of this work.
27 .\" Modified 1996-11-04 by Eric S. Raymond <esr@thyrsus.com>
28 .\" Modified 2001-10-13 by Michael Kerrisk <mtk.manpages@gmail.com>
29 .\" Added note on historical behavior of MS_NOSUID
30 .\" Modified 2002-05-16 by Michael Kerrisk <mtk.manpages@gmail.com>
31 .\" Extensive changes and additions
32 .\" Modified 2002-05-27 by aeb
33 .\" Modified 2002-06-11 by Michael Kerrisk <mtk.manpages@gmail.com>
34 .\" Enhanced descriptions of MS_MOVE, MS_BIND, and MS_REMOUNT
35 .\" Modified 2004-06-17 by Michael Kerrisk <mtk.manpages@gmail.com>
36 .\" 2005-05-18, mtk, Added MNT_EXPIRE, plus a few other tidy-ups.
37 .\" 2008-10-06, mtk: move umount*() material into separate umount.2 page.
38 .\" 2008-10-06, mtk: Add discussion of namespaces.
40 .\" Japanese Version Copyright (c) 1997 SUTO, Mitsuaki
41 .\" all rights reserved.
42 .\" Translated 1997-06-26,SUTO, Mitsuaki <suto@av.crl.sony.co.jp>
43 .\" Updated 2001-05-20, Kentaro Shirakata <argrath@ub32.org>
44 .\" Updated 2001-06-25, Kentaro Shirakata
45 .\" Updated 2001-10-15, Kentaro Shirakata
46 .\" Updated 2002-01-01, Kentaro Shirakata
47 .\" Updated 2002-11-24, Kentaro Shirakata
48 .\" Updated 2003-01-27, Kentaro Shirakata
49 .\" Updated 2005-02-28, Akihiro MOTOKI <amotoki@dd.iij4u.or.jp>
50 .\" Updated 2005-09-06, Akihiro MOTOKI
51 .\" Updated 2006-07-23, Akihiro MOTOKI, LDP v2.36
52 .\" Updated 2007-01-07, Akihiro MOTOKI, LDP v2.43
53 .\" Updated 2007-05-01, Akihiro MOTOKI, LDP v2.46
54 .\" Updated 2008-08-08, Akihiro MOTOKI, LDP v3.05
55 .\" Updated 2008-11-10, Akihiro MOTOKI, LDP v3.11
56 .\" Updated 2010-04-23, Akihiro MOTOKI, LDP v3.24
58 .\"WORD: lazy umount Ãٱ䥢¥ó¥Þ¥¦¥ó¥È
59 .\"WORD: Linux-specific Linux ÆÃÍ
61 .\" motoki 2005-02-28:
62 .\" - subtree ¤ò¤É¤¦Ìõ¤¹¤«¡£ÉôʬÌÚ¡¢Éôʬ¥Ä¥ê¡¼¡¢¥µ¥Ö¥Ä¥ê¡¼¡£¡£¡£²¿¤«¤Ê¤¤¤«¡£
64 .TH MOUNT 2 2010-09-10 "Linux" "Linux Programmer's Manual"
67 .\"O mount \- mount and unmount file systems
68 mount \- ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤ò¥Þ¥¦¥ó¥È/¥¢¥ó¥Þ¥¦¥ó¥È¤¹¤ë
72 .B "#include <sys/mount.h>"
74 .BI "int mount(const char *" source ", const char *" target ,
75 .BI " const char *" filesystemtype ", unsigned long " mountflags ,
76 .BI " const void *" data );
81 .\"O attaches the file system specified by
83 .\"O (which is often a device name, but can also be a directory name
84 .\"O or a dummy) to the directory specified by
89 ¤Ç»ØÄꤵ¤ì¤¿¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à (¥Ç¥Ð¥¤¥¹Ì¾¤Ç¤¢¤ë¤³¤È¤¬Â¿¤¤¤¬¡¢
90 ¥Ç¥£¥ì¥¯¥È¥ê̾¤ä¥À¥ß¡¼¤Î¾ì¹ç¤â¤¢¤ë) ¤ò
92 ¤Ç»ØÄꤵ¤ì¤¿¥Ç¥£¥ì¥¯¥È¥ê¤Ë·ë¤Ó¤Ä¤±¤ë¡£
94 .\"O Appropriate privilege (Linux: the
96 .\"O capability) is required to mount file systems.
97 ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Î¥Þ¥¦¥ó¥È¤ò¹Ô¤¦¤Ë¤Ï¡¢
98 ŬÀڤʸ¢¸Â (Linux ¤Ç¤Ï
100 ¥±¡¼¥Ñ¥Ó¥ê¥Æ¥£) ¤¬É¬ÍפǤ¢¤ë¡£
102 .\"O Since Linux 2.4 a single file system can be visible at
103 .\"O multiple mount points, and multiple mounts can be stacked
104 .\"O on the same mount point.
105 .\"O .\" Multiple mounts on same mount point: since 2.3.99pre7.
106 Linux 2.4 °Ê¹ß¡¢¤Ò¤È¤Ä¤Î¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤òÊ£¿ô¤Î¥Þ¥¦¥ó¥È¥Ý¥¤¥ó¥È¤Ë
107 ·ë¤Ó¤Ä¤±¤ë¤³¤È¤¬¤Ç¤¡¢Æ±¤¸¥Þ¥¦¥ó¥È¥Ý¥¤¥ó¥È¤ËÊ£¿ô¤Î¥Þ¥¦¥ó¥È¤ò¥¹¥¿¥Ã¥¯
109 .\" Multiple mounts on same mount point: since 2.3.99pre7.
112 .\"O .I filesystemtype
113 .\"O argument supported by the kernel are listed in
114 .\"O .I /proc/filesystems
115 .\"O (like "minix", "ext2", "ext3", "jfs", "xfs", "reiserfs",
116 .\"O "msdos", "proc", "nfs", "iso9660" etc.).
117 .\"O Further types may become available when the appropriate modules
121 ¤È¤·¤Æ¥«¡¼¥Í¥ë¤¬Âбþ¤·¤Æ¤¤¤ëÃͤϡ¢
123 ¤Ç»²¾È¤Ç¤¤ë (Î㤨¤Ð "minix", "ext2", "ext3", "jfs", "xfs", "reiserfs",
124 "msdos", "proc", "nfs", "iso9660" Åù)¡£
125 ŬÀڤʥ⥸¥å¡¼¥ë¤¬Æɤ߹þ¤Þ¤ì¤ë¤È¡¢¤µ¤é¤ËÊ̤ÎÃͤ¬ÍøÍѲÄǽ¤Ë¤Ê¤ë¤«¤â¤·¤ì¤Ê¤¤¡£
129 .\"O argument may have the magic number 0xC0ED (\fBMS_MGC_VAL\fP)
130 .\"O in the top 16 bits (this was required in kernel versions prior to 2.4, but
131 .\"O is no longer required and ignored if specified),
132 .\"O and various mount flags (as defined in \fI<linux/fs.h>\fP for libc4 and libc5
133 .\"O and in \fI<sys/mount.h>\fP for glibc2) in the low order 16 bits:
136 ¤Ï¡¢ÀèƬ 16 ¥Ó¥Ã¥È¤Ï¥Þ¥¸¥Ã¥¯¥Ê¥ó¥Ð¡¼ 0xC0ED (\fBMS_MGC_VAL\fP) ¤Ç¡¢
137 »Ä¤ê¤Î 16 ¥Ó¥Ã¥È¤¬¥Þ¥¦¥ó¥È¥Õ¥é¥°¤Ç¤¢¤ë¡£
138 ¥Þ¥¸¥Ã¥¯¥Ê¥ó¥Ð¡¼¤Ï¡¢¥«¡¼¥Í¥ë¥Ð¡¼¥¸¥ç¥ó 2.4 ¤è¤êÁ°¤Ç¤Ïɬ¿Ü¤Ç¤¢¤Ã¤¿¤¬¡¢
139 ¸½ºß¤ÏɬÍפʤ¯¡¢»ØÄꤵ¤ì¤Æ¤â̵»ë¤µ¤ì¤ë¡£
140 ¥Þ¥¦¥ó¥È¥Õ¥é¥°¤Ï libc4 ¤È libc5 ¤Ç¤Ï \fI<linux/fs.h>\fP ¡¢
141 glibc2 ¤Ç¤Ï \fI<sys/mount.h>\fP ¤ÇÄêµÁ¤µ¤ì¤Æ¤ª¤ê¡¢°Ê²¼¤ÎÄ̤ê¤Ç¤¢¤ë:
142 .\" FIXME 2.6.15 added flags for "shared subtree" functionality:
143 .\" MS_UNBINDABLE, MS_PRIVATE, MS_SHARED, MS_SLAVE
144 .\" These need to be documented on this page.
146 .\" Documentation/filesystems/sharedsubtree.txt
148 .\" http://lwn.net/Articles/159077/
150 .\" http://myweb.sudhaa.com:2022/~ram/sharedsubtree/paper/sharedsubtree.1.pdf
151 .\" Shared-Subtree Concept, Implementation, and Applications in Linux
152 .\" Al Viro viro@ftp.linux.org.uk
153 .\" Ram Pai linuxram@us.ibm.com
155 .\" http://foss.in/2005/slides/sharedsubtree1.pdf
156 .\" Shared Subtree Concept and Implementation in the Linux Kernel
159 .\" 2.6.25 Added MS_I_VERSION, which needs to be documented.
162 .\"O .BR MS_BIND " (Linux 2.4 onward)"
163 .BR MS_BIND " (Linux 2.4 °Ê¹ß)"
164 .\"O .\" since 2.4.0-test9
165 .\" Àµ³Î¤Ë¤Ï 2.4.0-test9 °Ê¹ß
166 .\"O Perform a bind mount, making a file or a directory subtree visible at
167 .\"O another point within a file system.
168 .\"O Bind mounts may cross file system boundaries and span
172 .\"O .IR filesystemtype
175 .\"O arguments are ignored.
176 .\"O Up until Linux 2.6.26,
178 .\"O was also ignored
179 .\"O .\" with the exception of the "hidden" MS_REC mountflags bit
180 .\"O (the bind mount has the same mount options as
181 .\"O the underlying mount point).
182 ¥Ð¥¤¥ó¥É¥Þ¥¦¥ó¥È¤ò¹Ô¤¦¡£¤³¤ì¤Ï¥Õ¥¡¥¤¥ë¤ä¥Ç¥£¥ì¥¯¥È¥ê¤ÎÉôʬÌÚ¤ò
183 ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥àÆâÉô¤ÎÊ̤ξì½ê¤Ç¸«¤¨¤ë¤è¤¦¤Ë¤¹¤ë¤â¤Î¤Ç¤¢¤ë¡£
184 ¥Ð¥¤¥ó¥É¥Þ¥¦¥ó¥È¤ò»È¤¦¤È¡¢¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤ò¤Þ¤¿¤¤¤Ç
186 jail ¤ò¹½À®¤¹¤ë¤³¤È¤¬²Äǽ¤Ë¤Ê¤ë¡£
192 Linux 2.6.26 ¤è¤êÁ°¤Ç¤Ï
195 .\" with the exception of the "hidden" MS_REC mountflags bit
196 (¥Ð¥¤¥ó¥É¥Þ¥¦¥ó¥È¤Ç¤Ï¡¢¥Þ¥¦¥ó¥È¥Ý¥¤¥ó¥È¤È¤Ê¤ë¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤È
197 Ʊ¤¸¥Þ¥¦¥ó¥È¥ª¥×¥·¥ç¥ó¤¬»ÈÍѤµ¤ì¤ë)¡£
198 .\"O Since Linux 2.6.26, the
200 .\"O flag is honored when making a bind mount.
201 Linux 2.6.26 °Ê¹ß¤Ç¤Ï¡¢¥Ð¥¤¥ó¥É¥Þ¥¦¥ó¥È¤ò¹Ô¤¦ºÝ¤Ë
203 ¥Õ¥é¥°¤Ï̵»ë¤µ¤ì¤Ê¤¤¡£
205 .\"O .BR MS_DIRSYNC " (Since Linux 2.5.19)"
206 .BR MS_DIRSYNC " (Linux 2.5.19 °Ê¹ß)"
207 .\"O Make directory changes on this file system synchronous.
208 .\"O (This property can be obtained for individual directories
209 .\"O or subtrees using
210 .\"O .BR chattr (1).)
211 ¤³¤Î¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Ø¤Î¥Ç¥£¥ì¥¯¥È¥êÊѹ¹¤òƱ´üŪ¤Ë¹Ô¤¦¡£
212 (¤³¤ÎÆÃÀ¤Ï¸Ä¡¹¤Î¥Ç¥£¥ì¥¯¥È¥ê¡¢¤Þ¤¿¤Ï
214 ¤ò»È¤Ã¤¿ÉôʬÌÚËè¤ËÀßÄê¤Ç¤¤ë¡£)
217 .\"O Permit mandatory locking on files in this file system.
218 .\"O (Mandatory locking must still be enabled on a per-file basis,
221 .\"O .\" FIXME Say more about MS_MOVE
222 ¤³¤Î¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Î¥Õ¥¡¥¤¥ë¤ËÂФ·¤Æ¶¯À©¥í¥Ã¥¯¤òǧ¤á¤ë¡£
223 (¶¯À©¥í¥Ã¥¯¤ò͸ú¤Ë¤¹¤ë¤Ë¤Ï¡¢
225 ¤Ç½Ò¤Ù¤é¤ì¤Æ¤¤¤ëÊýË¡¤Ç¥Õ¥¡¥¤¥ëñ°Ì¤Çµö²Ä¤ò¤·¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤)
226 .\" FIXME Say more about MS_MOVE
231 .\"O specifies an existing mount point and
233 .\"O specifies the new location.
234 .\"O The move is atomic: at no point is the subtree unmounted.
236 .\"O .IR filesystemtype ", " mountflags ", and " data
237 .\"O arguments are ignored.
240 ¤Ë¤Ï¤¹¤Ç¤Ë¸ºß¤¹¤ë¥Þ¥¦¥ó¥È¥Ý¥¤¥ó¥È¤ò»ØÄꤷ¡¢
242 ¤Ë¤Ï¿·¤·¤¤¾ì½ê¤ò»ØÄꤹ¤ë¡£
243 °ÜÆ°¤Ï¥¢¥È¥ß¥Ã¥¯¤Ç¤¢¤ë¡£
244 Áàºî¤Î¼Â¹ÔÃæ¡¢Éôʬ¥Ä¥ê¡¼¤¬¥¢¥ó¥Þ¥¦¥ó¥È¤µ¤ì¤ë¤³¤È¤Ï¤Ê¤¤¡£
245 .IR filesystemtype ", " mountflags ", " data
249 .\"O Do not update access times for (all types of) files on this file system.
250 ¤³¤Î¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Î (Á´¤Æ¤Î¼ïÎà¤Î) ¥Õ¥¡¥¤¥ë¤Î¥¢¥¯¥»¥¹»þ¹ï¤ò¹¹¿·¤·¤Ê¤¤¡£
253 .\"O Do not allow access to devices (special files) on this file system.
254 ¤³¤Î¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Î¥Ç¥Ð¥¤¥¹ (¥¹¥Ú¥·¥ã¥ë¥Õ¥¡¥¤¥ë) ¤Ø¤Î¥¢¥¯¥»¥¹¤òµö²Ä¤·¤Ê¤¤¡£
257 .\"O Do not update access times for directories on this file system.
258 ¤³¤Î¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Î¥Ç¥£¥ì¥¯¥È¥ê¤Î¥¢¥¯¥»¥¹»þ¹ï¤ò¹¹¿·¤·¤Ê¤¤¡£
259 .\"O This flag provides a subset of the functionality provided by
260 .\"O .BR MS_NOATIME ;
264 .\"O .BR MS_NODIRATIME .
267 ¤ÇÄ󶡤µ¤ì¤ëµ¡Ç½¤Î¥µ¥Ö¥»¥Ã¥È¤òÄ󶡤¹¤ë¡£¤Ä¤Þ¤ê¡¢
271 ¤¬°ÅÌۤΤ¦¤ÁÀßÄꤵ¤ì¤ë¡£
274 .\"O Do not allow programs to be executed from this file system.
275 ¤³¤Î¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Ë¤¢¤ë¥×¥í¥°¥é¥à¤Î¼Â¹Ô¤òµö²Ä¤·¤Ê¤¤¡£
276 .\" (Possibly useful for a file system that contains non-Linux executables.
277 .\" Often used as a security feature, e.g., to make sure that restricted
278 .\" users cannot execute files uploaded using ftp or so.)
281 .\"O Do not honor set-user-ID and set-group-ID bits when executing
282 .\"O programs from this file system.
283 ¤³¤Î¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Î¥×¥í¥°¥é¥à¤ò¼Â¹Ô¤¹¤ë¤È¤¤Ë¡¢
284 set-user-ID ¥Ó¥Ã¥È¤È set-group-ID ¥Ó¥Ã¥È¤ò̵»ë¤¹¤ë¡£
285 .\" (This is a security feature to prevent users executing set-UID and
286 .\" set-GID programs from removable disk devices.)
289 .\"O Mount file system read-only.
290 ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤òÆɤ߹þ¤ßÀìÍѤǥޥ¦¥ó¥È¤¹¤ë¡£
292 .\" FIXME Document MS_REC, available since 2.4.11.
293 .\" This flag has meaning in conjunction with MS_BIND and
294 .\" also with the shared subtree flags.
296 .\"O .BR MS_RELATIME " (Since Linux 2.6.20)"
297 .BR MS_RELATIME " (Linux 2.6.20 °Ê¹ß)"
298 .\"O When a file on this file system is accessed,
299 .\"O only update the file's last access time (atime) if the current value
300 .\"O of atime is less than or equal to the file's last modification time (mtime)
301 .\"O or last status change time (ctime).
302 .\"O This option is useful for programs, such as
304 .\"O that need to know when a file has been read since it was last modified.
305 ¤³¤Î¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¾å¤Î¥Õ¥¡¥¤¥ë¤¬¥¢¥¯¥»¥¹¤µ¤ì¤¿ºÝ¡¢
306 ¤½¤Î¥Õ¥¡¥¤¥ë¤ÎºÇ½ª¥¢¥¯¥»¥¹»þ¹ï (atime) ¤Î¸½ºßÃͤ¬
307 ºÇ½ª½¤Àµ»þ¹ï (mtime) ¤äºÇ½ª¾õÂÖÊѹ¹»þ¹ï (ctime) ¤È
308 Åù¤·¤¤¤«¾®¤µ¤¤¾ì¹ç¤Ë¤Î¤ß¡¢atime ¤ò¹¹¿·¤¹¤ë¡£
311 ¤Î¤è¤¦¤Ë¡¢ºÇ¸å¤ÎÆâÍƽ¤Àµ°Ê¹ß¤Ë¥Õ¥¡¥¤¥ë¤¬¤¤¤ÄÆɤ߽Фµ¤ì¤¿¤«¤òÃΤë
312 ɬÍפ¬¤¢¤ë¥×¥í¥°¥é¥à¤ÇÍÍѤǤ¢¤ë¡£
313 .\"O Since Linux 2.6.30, the kernel defaults to the behavior provided
314 .\"O by this flag (unless
316 .\"O was specified), and the
317 .\"O .B MS_STRICTATIME
318 .\"O flag is required to obtain traditional semantics.
319 .\"O In addition, since Linux 2.6.30,
320 .\"O the file's last access time is always updated if it
321 .\"O is more than 1 day old.
322 Linux 2.6.30 °Ê¹ß¤Ç¤Ï¡¢
324 ¤¬»ØÄꤵ¤ì¤Æ¤¤¤Ê¤¤¾ì¹ç¤Ë¤Ï¡¢¤³¤Î¥Õ¥é¥°¤ÎÆ°ºî¤¬
325 ¥«¡¼¥Í¥ë¤Î¥Ç¥Õ¥©¥ë¥ÈÆ°ºî¤È¤Ê¤Ã¤Æ¤ª¤ê¡¢
326 Linux 2.6.30 ¤è¤êÁ°¤ÎÆ°ºî¤ò¤µ¤»¤ë¤¿¤á¤Ë¤Ï
328 ¥Õ¥é¥°¤ò»ØÄꤹ¤ëɬÍפ¬¤¢¤ë¡£
329 ¤³¤ì¤Ë²Ã¤¨¤Æ¡¢Linux 2.6.30 °Ê¹ß¤Ç¤Ï¡¢
330 ¥Õ¥¡¥¤¥ë¤ÎºÇ½ª¥¢¥¯¥»¥¹»þ¹ï¤¬ 1 Æü°Ê¾åÁ°¤Î¾ì¹ç¡¢
331 ¥Õ¥¡¥¤¥ë¤ÎºÇ½ª¥¢¥¯¥»¥¹»þ¹ï¤Ï¾ï¤Ë¹¹¿·¤µ¤ì¤ë¡£
332 .\" Matthew Garrett notes in the patch that added this behavior
333 .\" that this lets utilities such as tmpreaper (which deletes
334 .\" files based on last acces time) work correctly.
337 .\"O Remount an existing mount.
338 .\"O This allows you to change the
342 .\"O of an existing mount without having to unmount and remount the file system.
346 .\"O should be the same values specified in the initial
349 .\"O .I filesystemtype
351 ¤¹¤Ç¤Ë¸ºß¤¹¤ë¥Þ¥¦¥ó¥È¤òºÆ¥Þ¥¦¥ó¥È¤¹¤ë¡£
352 ¤³¤ì¤Ë¤è¤ê¡¢¤¹¤Ç¤Ë¸ºß¤¹¤ë¥Þ¥¦¥ó¥È¤Î
356 ¤ò¡¢°ìÅÙ¥¢¥ó¥Þ¥¦¥ó¥È¤·¤Æ¤«¤éºÆ¥Þ¥¦¥ó¥È¤¹¤ë¤È¤¤¤¦ºî¶È¤ò¤»¤º¤Ë
363 ¸Æ¤Ó½Ð¤·¤ÈƱ¤¸Ãͤò»ØÄꤹ¤ëɬÍפ¬¤¢¤ë¡£
371 .\"O .BR MS_SYNCHRONOUS ,
372 .\"O .BR MS_MANDLOCK ;
373 .\"O before kernel 2.6.16, the following could also be changed:
376 .\"O .BR MS_NODIRATIME ;
377 .\"O and, additionally, before kernel 2.4.10, the following could also be changed:
387 ¥«¡¼¥Í¥ë 2.6.16 ¤è¤êÁ°¤Ç¤Ï¡¢
391 ¥«¡¼¥Í¥ë 2.4.10 ¤è¤êÁ°¤Ç¤Ï¡¢¾åµ¤Ë²Ã¤¨¤Æ¡¢
397 .\"O .BR MS_SILENT " (since Linux 2.6.17)"
398 .BR MS_SILENT " (Linux 2.6.17 °Ê¹ß)"
399 .\"O Suppress the display of certain
400 .\"O .RI ( printk ())
401 .\"O warning messages in the kernel log.
402 .\"O This flag supersedes the misnamed and obsolete
404 .\"O flag (available since Linux 2.4.12), which has the same meaning.
405 ¥«¡¼¥Í¥ë¤Î¥í¥°Æâ¤Î¤¢¤ë¼ï¤Î
407 ·Ù¹ð¥á¥Ã¥»¡¼¥¸¤Îɽ¼¨¤òÍÞÀ©¤¹¤ë¡£
408 ¤³¤Î¥Õ¥é¥°¤Ï¡¢Ì¾Á°¤¬ÉÔŬÀÚ¤ÇÇѻߤµ¤ì¤¿
410 ¥Õ¥é¥° (Linux 2.4.12 °Ê¹ß¤ÇÍøÍѲÄǽ) ¤òÃÖ¤´¹¤¨¤ë¤â¤Î¤Ç¡¢Æ±¤¸°ÕÌ£¤ò»ý¤Ä¡£
412 .\"O .BR MS_STRICTATIME " (Since Linux 2.6.30)"
413 .BR MS_STRICTATIME " (Linux 2.6.30 °Ê¹ß)"
414 .\"O Always update the last access time (atime) when files on this
415 .\"O file system are accessed.
416 .\"O (This was the default behavior before Linux 2.6.30.)
417 .\"O Specifying this flag overrides the effect of setting the
422 ¤³¤Î¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤¬¥¢¥¯¥»¥¹¤µ¤ì¤¿ºÝ¤ËºÇ½ª¥¢¥¯¥»¥¹»þ¹ï (atime)
423 ¤ò¾ï¤Ë¹¹¿·¤¹¤ë (Linux 2.6.30 ¤è¤êÁ°¤Ç¤Ï¡¢¤³¤ì¤¬¥Ç¥Õ¥©¥ë¥È¤ÎÆ°ºî
425 ¤³¤Î¥Õ¥é¥°¤ò»ØÄꤹ¤ë¤³¤È¤Ç¡¢
429 ¤Îξ¥Õ¥é¥°¤òÀßÄꤷ¤¿ºÝ¤Î±Æ¶Á¤ò¾å½ñ¤¤¹¤ë¤³¤È¤¬¤Ç¤¤ë¡£
432 .\"O Make writes on this file system synchronous (as though
437 .\"O was specified for all file opens to this file system).
438 ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤ËÂФ·¤ÆƱ´üŪ¤Ë½ñ¤¹þ¤ß¤ò¹Ô¤¦¡£
439 (¤³¤Î¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤ÎÁ´¤Æ¤Î¥ª¡¼¥×¥ó¤µ¤ì¤¿¥Õ¥¡¥¤¥ë¤ËÂФ·¤Æ¡¢
443 ¤ò»ØÄꤷ¤¿¤è¤¦¤ÊÆ°ºî¤È¤Ê¤ë)
445 .\"O From Linux 2.4 onward, the
446 .\"O .BR MS_NODEV ", " MS_NOEXEC ", and " MS_NOSUID
447 .\"O flags are settable on a per-mount-point basis.
448 .\"O From kernel 2.6.16 onward,
451 .\"O .B MS_NODIRATIME
452 .\"O are also settable on a per-mount-point basis.
455 .\"O flag is also settable on a per-mount-point basis.
457 .BR MS_NODEV ", " MS_NOEXEC ", " MS_NOSUID
458 ¤Ï¥Þ¥¦¥ó¥È¥Ý¥¤¥ó¥Èñ°Ì¤Ç»ØÄê¤Ç¤¤ë¡£
459 ¥«¡¼¥Í¥ë 2.6.16 °Ê¹ß¤Ç¤Ï¡¢
463 ¤â¥Þ¥¦¥ó¥È¥Ý¥¤¥ó¥Èñ°Ì¤Ç»ØÄê¤Ç¤¤ë¡£
466 ¥Õ¥é¥°¤â¥Þ¥¦¥ó¥È¥Ý¥¤¥ó¥Èñ°Ì¤ÇÀßÄê¤Ç¤¤ë¡£
470 .\"O argument is interpreted by the different file systems.
473 ¤¬¤É¤Î¤è¤¦¤Ë²ò¼á¤µ¤ì¤ë¤«¤Ï¡¢¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Ë¤è¤Ã¤Æ°Û¤Ê¤ë¡£
474 .\"O Typically it is a string of comma-separated options
475 .\"O understood by this file system.
478 .\"O for details of the options available for each filesystem type.
479 ¤¿¤¤¤Æ¤¤¤Ï¡¢»ØÄꤵ¤ì¤¿¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤ÇÍøÍѲÄǽ¤Ê¥ª¥×¥·¥ç¥ó¤¬
480 ¥³¥ó¥Þ¶èÀÚ¤ê¤Çʤ٤é¤ì¤¿Ê¸»úÎó¤Ç¤¢¤ë¡£
481 ³Æ¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤ËÂФ·¤Æ»ØÄê²Äǽ¤Ê¥ª¥×¥·¥ç¥ó¤Î¾ÜºÙ¤Ë¤Ä¤¤¤Æ¤Ï
484 .\"O .SH "RETURN VALUE"
486 .\"O On success, zero is returned.
487 .\"O On error, \-1 is returned, and
489 .\"O is set appropriately.
490 À®¸ù¤·¤¿¾ì¹ç 0 ¤¬Ê֤롣¼ºÇÔ¤·¤¿¾ì¹ç \-1 ¤¬Ê֤ꡢ
492 ¤¬¥¨¥é¡¼¤ÎÆâÍƤ˽¾¤Ã¤ÆÀßÄꤵ¤ì¤ë¡£
495 .\"O The error values given below result from filesystem type independent
497 .\"O Each file-system type may have its own special errors and its
498 .\"O own special behavior.
499 .\"O See the kernel source code for details.
500 °Ê²¼¤Ë¼¨¤¹¥¨¥é¡¼¤Ï¡¢¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Ë°Í¸¤·¤Ê¤¤¤â¤Î¤Ç¤¢¤ë¡£
501 ¤½¤ì¤¾¤ì¤Î¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¥¿¥¤¥×¤Ë¤Ï¸ÇͤΥ¨¥é¡¼¤¬Â¸ºß¤¹¤ë¾ì¹ç¤¬¤¢¤ê¡¢
502 Æȼ«¤ÎÆ°ºî¤ò¤¹¤ë¤³¤È¤â¤¢¤ë¡£¾Ü¤·¤¯¤Ï¥«¡¼¥Í¥ë¤Î¥½¡¼¥¹¤ò¸«¤ÆÍߤ·¤¤¡£
505 .\"O A component of a path was not searchable.
507 .\"O .BR path_resolution (7).)
508 .\"O Or, mounting a read-only file system was attempted without giving the
511 .\"O Or, the block device
513 .\"O is located on a file system mounted with the
516 .\"O .\" mtk: Probably: write permission is required for MS_BIND, with
517 .\"O .\" the error EPERM if not present; CAP_DAC_OVERRIDE is required.
518 ¥Ñ¥¹¤Ë´Þ¤Þ¤ì¤ë¥Ç¥£¥ì¥¯¥È¥ê¤Ë¸¡º÷ (¼Â¹Ô) µö²Ä¤¬¤Ê¤¤
519 .RB ( path_resolution (7)
523 ¥Õ¥é¥°¤ò»ØÄꤻ¤º¤ËÆɤ߹þ¤ßÀìÍѤΥե¡¥¤¥ë¥·¥¹¥Æ¥à¤ò
524 ¥Þ¥¦¥ó¥È¤·¤è¤¦¤È¤·¤¿¡£
525 ¤Þ¤¿¤Ï¡¢¥Ö¥í¥Ã¥¯¥Ç¥Ð¥¤¥¹
529 ¥ª¥×¥·¥ç¥ó¤Ç¥Þ¥¦¥ó¥È¤µ¤ì¤¿¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¾å¤Ë¤¢¤ë¡£
530 .\" mtk: Probably: write permission is required for MS_BIND, with
531 .\" the error EPERM if not present; CAP_DAC_OVERRIDE is required.
535 .\"O is already mounted.
536 .\"O Or, it cannot be remounted read-only,
537 .\"O because it still holds files open for writing.
538 .\"O Or, it cannot be mounted on
542 .\"O is still busy (it is the working directory of some task,
543 .\"O the mount point of another device, has open files, etc.).
545 ¤Ï´û¤Ë¥Þ¥¦¥ó¥È¤µ¤ì¤Æ¤¤¤ë¡£
546 ¤Þ¤¿¤Ï¡¢½ñ¤¹þ¤ßÍѤ˥ª¡¼¥×¥ó¤µ¤ì¤¿¥Õ¥¡¥¤¥ë¤¬¤¢¤ê¡¢
547 Æɤ߹þ¤ßÀìÍѤǺƥޥ¦¥ó¥È¤¹¤ë¤³¤È¤¬¤Ç¤¤Ê¤¤¡£
550 ¤¬»ÈÍÑÃæ (busy) ¤Î¤¿¤á¡¢
554 ¤¬»ÈÍÑÃæ¤ÎÎã¤È¤·¤Æ¤Ï¡¢¤¢¤ë¥¿¥¹¥¯¤¬Æ°ºî¤·¤Æ¤¤¤ë¥Ç¥£¥ì¥¯¥È¥ê (working
555 directory) ¤Ç¤¢¤ë¤È¤«¡¢Ê̤ΥǥХ¤¥¹¤Î¥Þ¥¦¥ó¥È¥Ý¥¤¥ó¥È¤Ç¤¢¤ë¤È¤«¡¢
556 ¥ª¡¼¥×¥ó¤µ¤ì¤¿¥Õ¥¡¥¤¥ë¤¬Â¸ºß¤¹¤ë¡¢¤Ê¤É¤¬¤¢¤ë¡£
559 .\"O One of the pointer arguments points outside the user address space.
560 ¾ì½ê¤ò¼¨¤¹°ú¤¿ô¤Î¤Ò¤È¤Ä¤¬¥æ¡¼¥¶¡¼¤Î¥¢¥É¥ì¥¹¶õ´Ö¤Î³°¤ò»Ø¤·¤Æ¤¤¤ë¡£
564 .\"O had an invalid superblock.
566 ¤ËÉÔÀµ¤Ê¥¹¡¼¥Ñ¡¼¥Ö¥í¥Ã¥¯¤¬¤¢¤ë¡£
568 .\"O .RB ( MS_REMOUNT )
569 .\"O was attempted, but
571 .\"O was not already mounted on
577 ¤Ë¥Þ¥¦¥ó¥È¤µ¤ì¤Æ¤¤¤Ê¤¤¤Î¤Ë¡¢ºÆ¥Þ¥¦¥ó¥È
582 .\"O was attempted, but
584 .\"O was not a mount point, or was \(aq/\(aq.
587 ¤¬¥Þ¥¦¥ó¥È¥Ý¥¤¥ó¥È¤Ç¤Ï¤Ê¤¤¤«¡¢\(aq/\(aq ¤Ê¤Î¤Ë¡¢°ÜÆ°
592 .\"O Too many links encountered during pathname resolution.
593 .\"O Or, a move was attempted, while
595 .\"O is a descendant of
597 ¥Ñ¥¹Ì¾¤Î²ò·èÃæ¤ËÅо줷¤¿¥ê¥ó¥¯¤¬Â¿¤¹¤®¤¿¡£
602 ¤Î»Ò¹¤Ê¤Î¤Ë°ÜÆ°¤¬Í׵ᤵ¤ì¤¿¡£
605 .\"O (In case no block device is required:)
606 .\"O Table of dummy devices is full.
607 .\" motoki: ¤É¤¦Ìõ¤¹¤Î¤¬¤¤¤¤¤À¤í¤¦¤«¡©
608 (¥Ö¥í¥Ã¥¯¥Ç¥Ð¥¤¥¹¤¬É¬ÍפǤʤ¤¾ì¹ç)
609 ¥À¥ß¡¼¥Ç¥Ð¥¤¥¹¤Î¥Æ¡¼¥Ö¥ë¤¬°ìÇդˤʤä¿¡£
612 .\"O A pathname was longer than
613 .\"O .BR MAXPATHLEN .
619 .\"O .I filesystemtype
620 .\"O not configured in the kernel.
622 ¤¬¥«¡¼¥Í¥ëÃæ¤ÇÄêµÁ (config) ¤µ¤ì¤Æ¤¤¤Ê¤¤¡£
625 .\"O A pathname was empty or had a nonexistent component.
626 ¥Ñ¥¹Ì¾¤¬¶õ¤Ç¤¢¤ë¡£¤â¤·¤¯¤Ï»ØÄꤵ¤ì¤¿¥Ñ¥¹¤¬Â¸ºß¤·¤Ê¤¤¡£
629 .\"O The kernel could not allocate a free page to copy filenames or data into.
630 ¥«¡¼¥Í¥ë¤¬¥Õ¥¡¥¤¥ë̾¤ä¥Ç¡¼¥¿¤ò¥³¥Ô¡¼¤¹¤ë¤¿¤á¤Î¶õ¤¥Ú¡¼¥¸¤ò³ÎÊݤǤ¤Ê¤¤¡£
634 .\"O is not a block device (and a device was required).
635 (¥Ö¥í¥Ã¥¯¥Ç¥Ð¥¤¥¹¤¬É¬ÍפÀ¤¬)
637 ¤¬¥Ö¥í¥Ã¥¯¥Ç¥Ð¥¤¥¹¤Ç¤Ï¤Ê¤¤¡£
643 .\"O is not a directory.
647 ¤Î¥×¥ì¥Õ¥£¥Ã¥¯¥¹¤¬¥Ç¥£¥ì¥¯¥È¥ê¤Ç¤Ï¤Ê¤¤¡£
650 .\"O The major number of the block device
652 .\"O is out of range.
655 ¤Î¥á¥¸¥ã¡¼Èֹ椬Èϰϳ°¤Ç¤¢¤ë¡£
658 .\"O The caller does not have the required privileges.
659 ¸Æ¤Ó½Ð¤·¸µ¤ËɬÍפʸ¢¸Â¤¬¤Ê¤¤¡£
662 .\"O The definitions of
663 .\"O .BR MS_DIRSYNC ,
666 .\"O .BR MS_RELATIME ,
668 .\"O .BR MS_STRICTATIME
669 .\"O were only added to glibc headers in version 2.12.
675 ¤ÎÄêµÁ¤¬ glibc ¤Î¥Ø¥Ã¥À¤ËÄɲ䵤줿¤Î¤Ï
676 ¥Ð¡¼¥¸¥ç¥ó 2.12 ¤Ë¤ª¤¤¤Æ¤Î¤ß¤Ç¤¢¤ë¡£
677 .\" FIXME: Definitions of the so-far-undocumented MS_UNBINDABLE, MS_PRIVATE,
678 .\" MS_SHARED, and MS_SLAVE were (also) only added to glibc headers in 2.12.
679 .\"O .SH "CONFORMING TO"
681 .\"O This function is Linux-specific and should not be used in
682 .\"O programs intended to be portable.
683 ¤³¤Î´Ø¿ô¤Ï Linux ¸Çͤδؿô¤Ç¤¢¤ê¡¢°Ü¿¢¤ò¹Íθ¤·¤¿¥×¥í¥°¥é¥à¤Ç¤Ï
688 .\"O flag was renamed
689 .\"O .B MS_SYNCHRONOUS
691 .\"O when a different
693 .\"O was added to \fI<mman.h>\fP.
698 ¤¬ \fI<mman.h>\fP ¤ËÄɲ䵤줿¤Î¤Ç
703 .\"O Before Linux 2.4 an attempt to execute a set-UID or set-GID program
704 .\"O on a file system mounted with
708 Linux 2.4 ¤è¤êÁ°¤Î¥Ð¡¼¥¸¥ç¥ó¤Ç¤Ï¡¢
710 ¥ª¥×¥·¥ç¥óÉÕ¤¤Ç¥Þ¥¦¥ó¥È¤µ¤ì¤¿¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¾å¤Î
711 set-UID ¤ä set-GID ¤Î¥×¥í¥°¥é¥à¤ò¼Â¹Ô¤·¤è¤¦¤È¤¹¤ë¤È¡¢
714 .\"O Since Linux 2.4 the set-UID and set-GID bits are just silently ignored
716 Linux 2.4 °Ê¹ß¤Ç¤Ï¡¢¤³¤Î¤è¤¦¤Ê¾ì¹ç¤Ï set-UID ¥Ó¥Ã¥È¤ä set-GID ¥Ó¥Ã¥È¤¬
717 ̵»ë¤µ¤ì¤ë¤À¤±¤Ç¤¢¤ë¡£
718 .\"O .\" The change is in patch-2.4.0-prerelease.
719 .\" ¤³¤ÎÊѹ¹¤Ï patch-2.4.0-prerelease ¤Ë´Þ¤Þ¤ì¤Æ¤¤¤ë¡£
720 .\"O .SS Per-process Namespaces
721 .SS ¥×¥í¥»¥¹Ã±°Ì¤Î̾Á°¶õ´Ö
722 .\"O Starting with kernel 2.4.19, Linux provides
723 .\"O per-process mount namespaces.
724 .\"O A mount namespace is the set of file system mounts that
725 .\"O are visible to a process.
726 .\"O Mount-point namespaces can be (and usually are)
727 .\"O shared between multiple processes,
728 .\"O and changes to the namespace (i.e., mounts and unmounts) by one process
729 .\"O are visible to all other processes sharing the same namespace.
730 .\"O (The pre-2.4.19 Linux situation can be considered as one in which
731 .\"O a single namespace was shared by every process on the system.)
732 ¥«¡¼¥Í¥ë 2.4.19 °Ê¹ß¤Î Linux ¤Ç¤Ï¡¢¥×¥í¥»¥¹Ã±°Ì¤Î¥Þ¥¦¥ó¥È̾Á°¶õ´Ö
733 (mount namespace) ¤¬Ä󶡤µ¤ì¤Æ¤¤¤ë¡£¥Þ¥¦¥ó¥È̾Á°¶õ´Ö¤È¤Ï¡¢
734 ¤¢¤ë¥×¥í¥»¥¹¤Ë¸«¤¨¤Æ¤¤¤ë¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Î¥Þ¥¦¥ó¥È¤Î½¸¹ç¤Ç¤¢¤ë¡£
735 ¥Þ¥¦¥ó¥È¥Ý¥¤¥ó¥È¤Î̾Á°¶õ´Ö¤ÏÊ£¿ô¤Î¥×¥í¥»¥¹¤Ç¶¦Í¤¹¤ë¤³¤È¤¬¤Ç¤¡¢
736 ÉáÄ̤϶¦Í¤µ¤ì¤Æ¤¤¤ë¡£
737 °ì¤Ä¤Î¥×¥í¥»¥¹¤Ë¤è¤ë̾Á°¶õ´Ö¤ÎÊѹ¹ (¤¹¤Ê¤ï¤Á¡¢¥Þ¥¦¥ó¥È¤ä¥¢¥ó¥Þ¥¦¥ó¥È) ¤Ï
738 Ʊ¤¸Ì¾Á°¶õ´Ö¤ò¶¦Í¤¹¤ë¾¤ÎÁ´¤Æ¤Î¥×¥í¥»¥¹¤Ë¤â¸«¤¨¤ë¡£
739 (2.4.19 ¤è¤êÁ°¤Î Linux ¤Ï¡¢°ì¤Ä¤Î̾Á°¶õ´Ö¤¬¥·¥¹¥Æ¥à¾å¤ÎÁ´¥×¥í¥»¥¹¤Ç
740 ¶¦Í¤µ¤ì¤ë¾õ¶·¤È¤ß¤Ê¤¹¤³¤È¤¬¤Ç¤¤ë¡£)
742 .\"O A child process created by
744 .\"O shares its parent's mount namespace;
745 .\"O the mount namespace is preserved across an
748 ·Ðͳ¤ÇºîÀ®¤µ¤ì¤¿»Ò¥×¥í¥»¥¹¤Ï¿Æ¥×¥í¥»¥¹¤Î¥Þ¥¦¥ó¥È̾Á°¶õ´Ö¤ò¶¦Í¤¹¤ë¡£
750 ¤ÎÁ°¸å¤Ç¥Þ¥¦¥ó¥È̾Á°¶õ´Ö¤ÏÊÝ»ý¤µ¤ì¤ë¡£
752 .\"O A process can obtain a private mount namespace if:
753 .\"O it was created using the
757 .\"O in which case its new namespace is initialized to be a
759 .\"O of the namespace of the process that called
766 .\"O which causes the caller's mount namespace to obtain a private copy
767 .\"O of the namespace that it was previously sharing with other processes,
768 .\"O so that future mounts and unmounts by the caller are invisible
769 .\"O to other processes (except child processes that the caller
770 .\"O subsequently creates) and vice versa.
771 ¥×¥í¥»¥¹¤Ï¼«Ê¬ÍÑ (private) ¤Î¥Þ¥¦¥ó¥È̾Á°¶õ´Ö¤ò»ý¤Ä¤³¤È¤¬¤Ç¤¤ë¡£
772 ¼«Ê¬ÍѤÎ̾Á°¶õ´Ö¤ò»ý¤Ä¤³¤È¤¬¤Ç¤¤ë¤Î¤Ï¡¢
776 ¥Õ¥é¥°¤ò»È¤Ã¤ÆºîÀ®¤µ¤ì¤¿¾ì¹ç¤È¡¢
781 ¤ò¸Æ¤Ó½Ð¤·¤¿¾ì¹ç¤Ç¤¢¤ë¡£
782 Á°¼Ô¤Î¾ì¹ç¡¢ºîÀ®¤µ¤ì¤¿¥×¥í¥»¥¹¤Î¿·¤·¤¤Ì¾Á°¶õ´Ö¤Ï
784 ¤ò¸Æ¤Ó½Ð¤·¤¿¥×¥í¥»¥¹¤Î̾Á°¶õ´Ö¤Î¡Ö¥³¥Ô¡¼¡×¤Ç½é´ü²½¤µ¤ì¤ë¡£
787 ¤ò¸Æ¤Ó½Ð¤¹¤È¡¢¸Æ¤Ó½Ð¤·¸µ¤Î¥×¥í¥»¥¹¤Î¥Þ¥¦¥ó¥È̾Á°¶õ´Ö¤¬¡¢
788 ¤½¤ì¤Þ¤Ç¤Ï¾¤Î¥×¥í¥»¥¹¤È¶¦Í¤·¤Æ¤¤¤¿Ì¾Á°¶õ´Ö¤Î¼«Ê¬ÍѤΥ³¥Ô¡¼¤È¤Ê¤ë¡£
789 ¤³¤ì¤Ë¤è¤ê¡¢¸Æ¤Ó½Ð¤·¸µ¤Î¥×¥í¥»¥¹¤¬¤³¤ì°Ê¸å¤Ë¹Ô¤¦¥Þ¥¦¥ó¥È/¥¢¥ó¥Þ¥¦¥ó¥È¤Ï
790 ¾¤Î¥×¥í¥»¥¹¤«¤é¸«¤¨¤Ê¤¯¤Ê¤ë
791 (¤¿¤À¤·¡¢¸Æ¤Ó½Ð¤·¸µ¤Î¥×¥í¥»¥¹¤¬
793 ¤Î¸Æ¤Ó½Ð¤·°Ê¹ß¤ËºîÀ®¤·¤¿»Ò¥×¥í¥»¥¹¤Ë¤Ï¸«¤¨¤ë)¡£
794 ¤Þ¤¿¡¢¤½¤ÎµÕ¤Î¡¢Â¾¤Î¥×¥í¥»¥¹¤¬¹Ô¤Ã¤¿¥Þ¥¦¥ó¥È/¥¢¥ó¥Þ¥¦¥ó¥È¤â¸Æ¤Ó½Ð¤·¸µ¤Î¥×¥í¥»¥¹¤Ë¤Ï
797 .\"O The Linux-specific
798 .\"O .I /proc/PID/mounts
799 .\"O file exposes the list of mount points in the mount
800 .\"O namespace of the process with the specified ID; see
805 ¤Ç¤Ï¡¢»ØÄꤵ¤ì¤¿ ID ¤ò»ý¤Ä¥×¥í¥»¥¹¤Î¥Þ¥¦¥ó¥È̾Á°¶õ´Ö¤Ë¤ª¤±¤ë
806 ¥Þ¥¦¥ó¥È¥Ý¥¤¥ó¥È¤Î¥ê¥¹¥È¤¬¸ø³«¤µ¤ì¤Æ¤¤¤ë¡£¾ÜºÙ¤Ï
812 .BR path_resolution (7),