All of lore.kernel.org
 help / color / mirror / Atom feed
From: andros@netapp.com
To: trond.myklebust@netapp.com
Cc: linux-nfs@vger.kernel.org, Andy Adamson <andros@netapp.com>,
	Fred Isaman <iisaman@netapp.com>
Subject: [PATCH pNFS wave 3 Version 2 18/18] NFSv4.1: lseg documentation
Date: Tue, 15 Feb 2011 03:39:03 -0500	[thread overview]
Message-ID: <1297759143-2045-19-git-send-email-andros@netapp.com> (raw)
In-Reply-To: <1297759143-2045-1-git-send-email-andros@netapp.com>

From: Andy Adamson <andros@netapp.com>

Signed-off-by: Fred Isaman <iisaman@netapp.com>
---
 Documentation/filesystems/nfs/pnfs.txt |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/Documentation/filesystems/nfs/pnfs.txt b/Documentation/filesystems/nfs/pnfs.txt
index bc0b9cf..983e14a 100644
--- a/Documentation/filesystems/nfs/pnfs.txt
+++ b/Documentation/filesystems/nfs/pnfs.txt
@@ -46,3 +46,10 @@ data server cache
 file driver devices refer to data servers, which are kept in a module
 level cache.  Its reference is held over the lifetime of the deviceid
 pointing to it.
+
+lseg
+----
+lseg maintains an extra reference corresponding to the NFS_LSEG_VALID
+bit which holds it in the pnfs_layout_hdr's list.  When the final lseg
+is removed from the pnfs_layout_hdr's list, the NFS_LAYOUT_DESTROYED
+bit is set, preventing any new lsegs from being added.
-- 
1.7.2.3


  parent reply	other threads:[~2011-02-16 18:39 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-02-15  8:38 [PATCH 0/18] pNFS wave 3 submission Version 2 andros
2011-02-15  8:38 ` [PATCH pNFS wave 3 Version 2 01/18] NFSv4: remove CONFIG_NFS_V4 from nfs_read_data andros
2011-02-15  8:38 ` [PATCH pNFS wave 3 Version 2 02/18] NFSv4.1: put_layout_hdr can remove nfsi->layout andros
2011-02-15  8:38 ` [PATCH pNFS wave 3 Version 2 03/18] NFS move nfs_client initialization into nfs_get_client andros
2011-02-15  8:38 ` [PATCH pNFS wave 3 Version 2 04/18] NFSv4.1: send zero stateid seqid on v4.1 i/o andros
2011-02-15  8:38 ` [PATCH pNFS wave 3 Version 2 05/18] NFSv4.1: new flag for state renewal check andros
2011-02-15  8:38 ` [PATCH pNFS wave 3 Version 2 06/18] NFSv4.1: new flag for lease time check andros
2011-02-15  8:38 ` [PATCH pNFS wave 3 Version 2 07/18] NFSv4.1: add MDS mount DS only check andros
2011-02-15  8:38 ` [PATCH pNFS wave 3 Version 2 08/18] NFSv4.1: lseg refcounting andros
2011-02-15  8:38 ` [PATCH pNFS wave 3 Version 2 09/18] NFSv4.1: coelesce across layout stripes andros
2011-02-15  8:38 ` [PATCH pNFS wave 3 Version 2 10/18] NFSv4.1: shift pnfs_update_layout locations andros
2011-02-16 19:42   ` Benny Halevy
2011-02-16 19:55     ` Fred Isaman
2011-02-16 20:08       ` Benny Halevy
2011-02-16 21:09         ` Fred Isaman
2011-02-16 22:56           ` Fred Isaman
2011-02-17  8:15             ` Christoph Hellwig
2011-02-15  8:38 ` [PATCH pNFS wave 3 Version 2 11/18] NFSv4.1: generic read andros
2011-02-15  8:38 ` [PATCH pNFS wave 3 Version 2 12/18] NFSv4.1: data server connection andros
2011-02-15  8:38 ` [PATCH pNFS wave 3 Version 2 13/18] NFSv4.1: filelayout i/o helpers andros
2011-02-15  8:38 ` [PATCH pNFS wave 3 Version 2 14/18] NFSv4.1: filelayout read andros
2011-02-15  8:39 ` [PATCH pNFS wave 3 Version 2 15/18] NFSv4.1: filelayout async error handler andros
2011-02-16 19:57   ` Benny Halevy
2011-02-15  8:39 ` [PATCH pNFS wave 3 Version 2 16/18] NFSv4.1 move deviceid cache to filelayout driver andros
2011-02-16 18:48   ` Andy Adamson
2011-02-15  8:39 ` [PATCH pNFS wave 3 Version 2 17/18] NFSv4.1: turn off pNFS on ds connection failure andros
2011-02-15  8:39 ` andros [this message]
2011-02-16 18:49   ` [PATCH pNFS wave 3 Version 2 18/18] NFSv4.1: lseg documentation Andy Adamson

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1297759143-2045-19-git-send-email-andros@netapp.com \
    --to=andros@netapp.com \
    --cc=iisaman@netapp.com \
    --cc=linux-nfs@vger.kernel.org \
    --cc=trond.myklebust@netapp.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.