From ec34526a54e7da98534eada324a35f74d320b789 Mon Sep 17 00:00:00 2001 From: Steven J. Magnani Date: Mon, 30 Jul 2012 07:24:07 -0500 Subject: util-linux: Document new FAT options Add man-page documentation for the new 'discard' and 'nfs' options available for vfat/msdos filesystems. Signed-off-by: Steven J. Magnani --- sys-utils/mount.8 | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'sys-utils/mount.8') diff --git a/sys-utils/mount.8 b/sys-utils/mount.8 index c8b6f41c8..6c222d032 100644 --- a/sys-utils/mount.8 +++ b/sys-utils/mount.8 @@ -1744,6 +1744,11 @@ flag. A version string and a list of filesystem parameters will be printed (these data are also printed if the parameters appear to be inconsistent). .TP +.B discard +If set, causes discard/TRIM commands to be issued to the block device +when blocks are freed. This is useful for SSD devices and +sparse/thinly-provisoned LUNs. +.TP .BR fat= {12 | 16 | 32 } Specify a 12, 16 or 32 bit fat. This overrides the automatic FAT type detection routine. Use with caution! @@ -1753,6 +1758,11 @@ Character set to use for converting between 8 bit characters and 16 bit Unicode characters. The default is iso8859-1. Long filenames are stored on disk in Unicode format. .TP +.B nfs +If set, enables in-memory indexing of directory inodes to reduce the +frequency of ESTALE errors in NFS client operations. Useful only when +the filesystem is exported via NFS. +.TP .BI tz=UTC This option disables the conversion of timestamps between local time (as used by Windows on FAT) and UTC -- cgit v1.2.3-55-g7522