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author | Jan Kara <jack@suse.cz> | 2018-02-22 10:52:34 +0100 |
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committer | Jan Kara <jack@suse.cz> | 2018-02-27 10:25:33 +0100 |
commit | 6ccd5194a0f42b0f01a3f9d0c6de536940d04bad (patch) | |
tree | 3420514155eb11df1a162716a0589af1d633e631 /Documentation/filesystems/udf.txt | |
parent | udf: Provide saner default for invalid uid / gid (diff) | |
download | linux-6ccd5194a0f42b0f01a3f9d0c6de536940d04bad.tar.xz linux-6ccd5194a0f42b0f01a3f9d0c6de536940d04bad.zip |
udf: Update mount option documentation
Update documentation of uid and gid mount options.
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'Documentation/filesystems/udf.txt')
-rw-r--r-- | Documentation/filesystems/udf.txt | 18 |
1 files changed, 7 insertions, 11 deletions
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: |