lkml.org 
[lkml]   [2012]   [Dec]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH v5 8/8] Documentation: update nfs option in filesystem/vfat.txt
Date
Namjae Jeon <linkinjeon@gmail.com> writes:

> From: Namjae Jeon <namjae.jeon@samsung.com>
>
> update nfs option in filesystem/vfat.txt
>
> Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
> Signed-off-by: Ravishankar N <ravi.n1@samsung.com>
> Signed-off-by: Amit Sahrawat <a.sahrawat@samsung.com>
> ---
> Documentation/filesystems/vfat.txt | 23 ++++++++++++++++++-----
> 1 file changed, 18 insertions(+), 5 deletions(-)
>
> diff --git a/Documentation/filesystems/vfat.txt b/Documentation/filesystems/vfat.txt
> index d230dd9..f663c70 100644
> --- a/Documentation/filesystems/vfat.txt
> +++ b/Documentation/filesystems/vfat.txt
> @@ -150,13 +150,26 @@ discard -- If set, issues discard/TRIM commands to the block
> device when blocks are freed. This is useful for SSD devices
> and sparse/thinly-provisoned LUNs.
>
> -nfs -- This option maintains an index (cache) of directory
> - inodes by i_logstart which is used by the nfs-related code to
> - improve look-ups.
> -
> - Enable this only if you want to export the FAT filesystem
> +nfs= stale_rw|nostale_ro
> + -- Enable this only if you want to export the FAT filesystem
> over NFS
>
> + stale_rw:This option maintains an index (cache) of directory
> + inodes by i_logstart which is used by the nfs-related code to
> + improve look-ups.Full file operations (read/write) over NFS is supported
> + but with cache eviction at NFS server, this could result in ESTALE issues.
> +
> + nostale_ro:This option bases the inode number and filehandle on the on-disk
> + location of a file in the MS-DOS directory entry.This ensures that ESTALE
> + will not be returned after a file is evicted from the inode cache. However,
> + it means that operations such as rename, create and unlink could cause
> + filehandles that previously pointed at one file to point at a different file,
> + potentially causing data corruption. For this reason, this option also mounts
> + the filesystem readonly.
> +
> + To maintain backward compatibility, '-o nfs' is also accepted, defaulting to
> + stale_rw

Please add whitespace after ":" and ".". And please care 80 columns.
--
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>


\
 
 \ /
  Last update: 2012-12-03 11:42    [W:0.132 / U:1.512 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site