From: Jan Kara Date: Thu, 22 Feb 2018 09:52:34 +0000 (+0100) Subject: udf: Update mount option documentation X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=6ccd5194a0f42b0f01a3f9d0c6de536940d04bad;p=openwrt%2Fstaging%2Fblogic.git udf: Update mount option documentation Update documentation of uid and gid mount options. Reviewed-by: Pali Rohár Signed-off-by: Jan Kara --- diff --git a/Documentation/filesystems/udf.txt b/Documentation/filesystems/udf.txt index d3d0e3218f86..cf30bdcdcc4f 100644 --- a/Documentation/filesystems/udf.txt +++ b/Documentation/filesystems/udf.txt @@ -36,18 +36,14 @@ The following mount options are supported: iocharset= Set the NLS character set The uid= and gid= options need a bit more explaining. They will accept a -decimal numeric value which will be used as the default ID for that mount. -They will also accept the string "ignore" and "forget". For files on the disk -that are owned by nobody ( -1 ), they will instead look as if they are owned -by the default ID. The ignore option causes the default ID to override all -IDs on the disk, not just -1. The forget option causes all IDs to be written -to disk as -1, so when the media is later remounted, they will appear to be -owned by whatever default ID it is mounted with at that time. +decimal numeric value and all inodes on that mount will then appear as +belonging to that uid and gid. Mount options also accept the string "forget". +The forget option causes all IDs to be written to disk as -1 which is a way +of UDF standard to indicate that IDs are not supported for these files . -For typical desktop use of removable media, you should set the ID to that -of the interactively logged on user, and also specify both the forget and -ignore options. This way the interactive user will always see the files -on the disk as belonging to him. +For typical desktop use of removable media, you should set the ID to that of +the interactively logged on user, and also specify the forget option. This way +the interactive user will always see the files on the disk as belonging to him. The remaining are for debugging and disaster recovery: