X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=man%2Fsystemd.mount.xml;h=48af1caaceaae4385667867f9cc3505856e15575;hp=275e354d6d01ef0cf1308e3e1ee571673edb4031;hb=3fde5f30bda2a70d97f3dc8fa918e42e1c07cc2c;hpb=cdb788e4cdc67bf7da6b3b1b3f4f295ef5c25c67 diff --git a/man/systemd.mount.xml b/man/systemd.mount.xml index 275e354d6..48af1caac 100644 --- a/man/systemd.mount.xml +++ b/man/systemd.mount.xml @@ -9,16 +9,16 @@ Copyright 2010 Lennart Poettering systemd is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. + Lesser General Public License for more details. - You should have received a copy of the GNU General Public License + You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see . --> @@ -44,19 +44,20 @@ systemd.mount - systemd mount configuration files + Mount unit configuration - systemd.mount + mount.mount Description A unit configuration file whose name ends in - .mount encodes information about a file system mount - point controlled and supervised by systemd. + .mount encodes information about + a file system mount point controlled and supervised by + systemd. This man page lists the configuration options specific to this unit type. See @@ -68,44 +69,107 @@ in the [Mount] section. Additional options are listed in - systemd.exec5. - - Mount units must be named after the file paths - they reflect. Example: the mount point - /home/lennart must be configured + systemd.exec5, + which define the execution environment the + mount8 + binary is executed in, and in + systemd.kill5, + which define the way the processes are terminated, and + in + systemd.resource-control5, + which configure resource control settings for the + processes of the service. Note that the User= and + Group= options are not particularly useful for mount + units specifying a Type= option or + using configuration not specified in + /etc/fstab; + mount8 + will refuse options that are not listed in + /etc/fstab if it is not run as + UID 0. + + Mount units must be named after the mount point + directories they control. Example: the mount point + /home/lennart must be configured in a unit file home-lennart.mount. For details about the escaping logic used to convert a file system path to a unit name see systemd.unit5. + + Optionally, a mount unit may be accompanied by + an automount unit, to allow on-demand or parallelized + mounting. See + systemd.automount5. + + If a mount point is beneath another mount point + in the file system hierarchy, a dependency between both + units is created automatically. + + Mount points created at runtime (independently of + unit files or /etc/fstab) will be + monitored by systemd and appear like any other mount + unit in systemd. + See /proc/self/mountinfo description + in proc5. + + + Some file systems have special semantics as API + file systems for kernel-to-userspace and + userspace-to-userpace interfaces. Some of them may not + be changed via mount units, and cannot be disabled. + For a longer discussion see API + File Systems. - <filename>fstab</filename> + <filename>/etc/fstab</filename> Mount units may either be configured via unit files, or via /etc/fstab (see fstab5 - for details). + for details). Mounts listed in + /etc/fstab will be converted into + native units dynamically at boot and when the + configuration of the system manager is reloaded. See + systemd-fstab-generator8 + for details about the conversion. When reading /etc/fstab a few special mount options are understood by systemd which influence how dependencies are created for mount - points from /etc/fstab. If - is specified as - mount option then systemd will create a dependency of - type from either + points from /etc/fstab. systemd + will create a dependency of type + from either local-fs.target or remote-fs.target, depending whether the file system is local or remote. If - is set, an - automount unit will be created for the file system. See + is set, an + automount unit will be created for the file + system. See systemd.automount5 - for details. + for details. If + is + specified, it may be used to configure how long systemd + should wait for a device to show up before giving up + on an entry from + /etc/fstab. Specify a time in + seconds or explicitly specify a unit as + s, min, + h, ms. If a mount point is configured in both - /etc/fstab and a unit file the - configuration in the latter takes precedence. + /etc/fstab and a unit file that + is stored below /usr, the former + will take precedence. If the unit file is stored below + /etc, it will take + precedence. This means: native unit files take + precedence over traditional configuration files, but + this is superseded by the rule that configuration in + /etc will always take precedence + over configuration in + /usr. @@ -116,11 +180,13 @@ supervises. A number of options that may be used in this section are shared with other unit types. These options are documented in - systemd.exec5. The - options specific to the [Mount] section of service + systemd.exec5 + and + systemd.kill5. The + options specific to the [Mount] section of mount units are the following: - + What= @@ -129,7 +195,7 @@ resource to mount. See mount8 for details. If this refers to a - device node a dependency on the + device node, a dependency on the respective device unit is automatically created. (See systemd.device5 for more information.) @@ -141,17 +207,17 @@ Where= Takes an absolute path of a directory of the mount point. If - the mount point is not existing at - time of mounting it is created. This + the mount point does not exist at the + time of mounting, it is created. This string must be reflected in the unit - file name. (See above.) This option is + filename. (See above.) This option is mandatory. Type= Takes a string for the - filesystem type. See + file system type. See mount8 for details. This setting is optional. @@ -161,8 +227,8 @@ Options= Mount options to use - when mounting. This takes a comma - seperated list of options. This + when mounting. This takes a + comma-separated list of options. This setting is optional. @@ -173,7 +239,8 @@ are automatically created if needed. This option specifies the file system access mode used when creating - these directories. Defaults to + these directories. Takes an access + mode in octal notation. Defaults to 0755. @@ -181,36 +248,48 @@ TimeoutSec= Configures the time to wait for the mount command to - finish. If a comand does not exit - within the configured time the mount + finish. If a command does not exit + within the configured time, the mount will be considered failed and be shut down again. All commands still running will be terminated forcibly via - SIGTERM, and after another delay of - this time with SIGKILL. (See - below.) + SIGTERM, and after another delay of + this time with SIGKILL. (See + in + systemd.kill5.) Takes a unit-less value in seconds, or a time span value such as "5min 20s". Pass 0 to disable the timeout logic. Defaults to - 60s. + 90s. + + + Check + systemd.exec5 + and + systemd.kill5 + for more settings. + + + Compatibility Options + + The following option is also available in the + [Mount] section, but exists purely + for compatibility reasons and should not be used in + newly written mount files. + + - KillMode= - Specifies how - processes of this mount shall be - killed. One of - , - , - , - . - - This option is mostly equivalent - to the - option of service files. See + FsckPassNo= + + The pass number for + the file system checking service for + this mount. See systemd.service5 - for details. + for more information on this setting. + @@ -218,12 +297,18 @@ See Also - systemd8, + systemd1, systemctl8, systemd.unit5, systemd.exec5, + systemd.kill5, + systemd.resource-control5, + systemd.service5, systemd.device5, - mount8 + proc5, + mount8, + systemd-fstab-generator8, + systemd.directives7