Signed-off-by: Steve Kenton <skenton@xxxxxx> Acked-by: Jan Kara <jack@xxxxxxx> --- sys-utils/mount.8 | 89 +++++++++++++++++++++++++++++++++++++++++-------------- 1 file changed, 67 insertions(+), 22 deletions(-) diff --git a/sys-utils/mount.8 b/sys-utils/mount.8 index c040730a2..2f9890aae 100644 --- a/sys-utils/mount.8 +++ b/sys-utils/mount.8 @@ -2034,20 +2034,51 @@ still possible to read compressed files if mounted with the option. .SS "Mount options for udf" -udf is the "Universal Disk Format" filesystem defined by the Optical -Storage Technology Association, and is often used for DVD-ROM. +UDF is the "Universal Disk Format" filesystem defined by OSTA, the Optical +Storage Technology Association, and is often used for DVD-ROM, frequently +in the form of a hybrid UDF/ISO-9660 filesystem. It is, however, +perfectly usable by itself on disk drives, flash drives and other block devices. See also .IR iso9660 . .TP +.B uid= +Make all files in the filesystem belong to the given user. +uid=forget can be specified independently of (or usually in +addition to) uid=<user> and results in UDF +not storing uids to the media. In fact the recorded uid +is the 32-bit overflow uid -1 as defined by the UDF standard. +The value is given as either <user> which is a valid user name or the corresponding +decimal user id, or the special string "forget". +.TP .B gid= -Set the default group. +Make all files in the filesystem belong to the given group. +gid=forget can be specified independently of (or usually in +addition to) gid=<group> and results in UDF +not storing gids to the media. In fact the recorded gid +is the 32-bit overflow gid -1 as defined by the UDF standard. +The value is given as either <group> which is a valid group name or the corresponding +decimal group id, or the special string "forget". .TP .B umask= -Set the default umask. +Mask out the given permissions from all inodes read from the filesystem. The value is given in octal. .TP -.B uid= -Set the default user. +.B mode= +If mode= is set the permissions of all non-directory inodes read from the +filesystem will be set to the given mode. The value is given in octal. +.TP +.B dmode= +If dmode= is set the permissions of all directory inodes read from the +filesystem will be set to the given dmode. The value is given in octal. +.TP +.B bs= +Set the block size. Default value prior to kernel version 2.6.30 was +2048. Since 2.6.30 and prior to 4.11 it was logical device block size with +fallback to 2048. Since 4.11 it is logical block size with fallback to +any valid block size between logical device block size and 4096. + +For other details see the updated mkudffs.8 manpage, section +COMPATIBILITY and BLOCK SIZE. .TP .B unhide Show otherwise hidden files. @@ -2055,41 +2086,55 @@ Show otherwise hidden files. .B undelete Show deleted files in lists. .TP +.B adinicb +Embed data in the inode. (default) +.TP +.B noadinicb +Don't embed data in the inode. +.TP +.B shortad +Use short UDF address descriptors. +.TP +.B longad +Use long UDF address descriptors. (default) +.TP .B nostrict Unset strict conformance. -.\" .TP -.\" .B utf8 -.\" (unused). .TP .B iocharset Set the NLS character set. -.TP -.B bs= -Set the block size. (May not work unless 2048.) +.SS Mount options for debugging and disaster recovery .TP .B novrs -Skip volume sequence recognition. +Ignore the Volume Recognition Sequence and attempt to mount anyway. .TP .B session= -Set the CDROM session counting from 0. Default: last session. +Select the session number for multi-session recorded optical media. (default= last session) .TP .B anchor= -Override standard anchor location. Default: 256. +Override standard anchor location. (default= 256) +.TP +.B lastblock= +Set the last block of the filesystem. +.SS Unused historical mount options that may be encountered and should be removed +.TP +.B uid=ignore +use uid=<user> instead. +.TP +.B gid=ignore +use gid=<group> instead. .TP .B volume= -Override the VolumeDesc location. (unused) +Override the VolumeDesc location. .TP .B partition= -Override the PartitionDesc location. (unused) -.TP -.B lastblock= -Set the last block of the filesystem. +Override the PartitionDesc location. .TP .B fileset= -Override the fileset block location. (unused) +Override the fileset block location. .TP .B rootdir= -Override the root directory location. (unused) +Override the root directory location. .SS "Mount options for ufs" .TP -- 2.16.1.72.g5be1f00 -- To unsubscribe from this list: send the line "unsubscribe util-linux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
