From: Jim Rees <rees@umich.edu>
To: Benny Halevy <bhalevy@panasas.com>
Cc: linux-nfs@vger.kernel.org, peter honeyman <honey@citi.umich.edu>
Subject: [PATCH 29/33] pnfsblock: bl_write_pagelist support functions
Date: Mon, 13 Jun 2011 22:33:13 -0400 [thread overview]
Message-ID: <7abae6a47d5750528e8b91e364ab58eedadda97a.1308017749.git.rees@umich.edu> (raw)
In-Reply-To: <cover.1308017749.git.rees@umich.edu>
From: Fred Isaman <iisaman@citi.umich.edu>
[pnfsblock: SQUASHME: adjust to API change]
Signed-off-by: Fred Isaman <iisaman@citi.umich.edu>
[pnfsblock: fixup blksize alignment in bl_setup_layoutcommit]
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
---
fs/nfs/blocklayout/blocklayout.c | 13 +++++++++++++
1 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c
index cbf74d8..01fe089 100644
--- a/fs/nfs/blocklayout/blocklayout.c
+++ b/fs/nfs/blocklayout/blocklayout.c
@@ -70,6 +70,19 @@ static int is_hole(struct pnfs_block_extent *be, sector_t isect)
return !is_sector_initialized(be->be_inval, isect);
}
+/* Given the be associated with isect, determine if page data can be
+ * written to disk.
+ */
+static int is_writable(struct pnfs_block_extent *be, sector_t isect)
+{
+ if (be->be_state == PNFS_BLOCK_READWRITE_DATA)
+ return 1;
+ else if (be->be_state != PNFS_BLOCK_INVALID_DATA)
+ return 0;
+ else
+ return is_sector_initialized(be->be_inval, isect);
+}
+
static int
dont_like_caller(struct nfs_page *req)
{
--
1.7.4.1
next prev parent reply other threads:[~2011-06-14 2:33 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-14 2:31 [PATCH 00/33] v2 block layout patches Jim Rees
2011-06-14 2:32 ` [PATCH 01/33] pnfs: GETDEVICELIST Jim Rees
2011-06-14 2:32 ` [PATCH 02/33] pnfs: add set-clear layoutdriver interface Jim Rees
2011-06-14 2:32 ` [PATCH 03/33] pnfs: let layoutcommit code handle multiple segments Jim Rees
2011-06-14 2:32 ` [PATCH 04/33] pnfs: hook nfs_write_begin/end to allow layout driver manipulation Jim Rees
2011-06-14 2:32 ` [PATCH 05/33] pnfs: ask for layout_blksize and save it in nfs_server Jim Rees
2011-06-14 2:32 ` [PATCH 06/33] pnfs: cleanup_layoutcommit Jim Rees
2011-06-14 2:32 ` [PATCH 07/33] pnfsblock: define PNFS_BLOCK Kconfig option Jim Rees
2011-06-14 2:32 ` [PATCH 08/33] pnfsblock: blocklayout stub Jim Rees
2011-06-14 2:32 ` [PATCH 09/33] pnfsblock: layout alloc and free Jim Rees
2011-06-14 2:32 ` [PATCH 10/33] pnfsblock: add support for simple rpc pipefs Jim Rees
2011-06-14 15:52 ` Benny Halevy
2011-06-14 2:32 ` [PATCH 11/33] pnfsblock: add block device discovery pipe Jim Rees
2011-06-14 2:32 ` [PATCH 12/33] pnfsblock: basic extent code Jim Rees
2011-06-14 2:32 ` [PATCH 13/33] pnfsblock: add device operations Jim Rees
2011-06-14 2:32 ` [PATCH 14/33] pnfsblock: remove " Jim Rees
2011-06-14 2:32 ` [PATCH 15/33] pnfsblock: lseg alloc and free Jim Rees
2011-06-14 2:32 ` [PATCH 16/33] pnfsblock: merge extents Jim Rees
2011-06-14 2:32 ` [PATCH 17/33] pnfsblock: call and parse getdevicelist Jim Rees
2011-06-14 2:32 ` [PATCH 18/33] pnfsblock: allow use of PG_owner_priv_1 flag Jim Rees
2011-06-14 2:32 ` [PATCH 19/33] pnfsblock: xdr decode pnfs_block_layout4 Jim Rees
2011-06-14 2:32 ` [PATCH 20/33] pnfsblock: find_get_extent Jim Rees
2011-06-14 2:32 ` [PATCH 21/33] pnfsblock: SPLITME: add extent manipulation functions Jim Rees
2011-06-14 2:32 ` [PATCH 22/33] pnfsblock: merge rw extents Jim Rees
2011-06-14 2:32 ` [PATCH 23/33] pnfsblock: encode_layoutcommit Jim Rees
2011-06-14 2:33 ` [PATCH 24/33] pnfsblock: cleanup_layoutcommit Jim Rees
2011-06-14 2:33 ` [PATCH 25/33] pnfsblock: bl_read_pagelist Jim Rees
2011-06-14 2:33 ` [PATCH 26/33] pnfsblock: write_begin Jim Rees
2011-06-14 2:33 ` [PATCH 27/33] pnfsblock: write_end Jim Rees
2011-06-14 2:33 ` [PATCH 28/33] pnfsblock: write_end_cleanup Jim Rees
2011-06-14 2:33 ` Jim Rees [this message]
2011-06-14 2:33 ` [PATCH 30/33] pnfsblock: bl_write_pagelist Jim Rees
2011-06-14 2:33 ` [PATCH 31/33] pnfsblock: note written INVAL areas for layoutcommit Jim Rees
2011-06-14 2:33 ` [PATCH 32/33] pnfsblock: Implement release_inval_marks Jim Rees
2011-06-14 2:33 ` [PATCH 33/33] pnfsblock DEVONLY: Add configurable prefetch size for layoutget Jim Rees
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=7abae6a47d5750528e8b91e364ab58eedadda97a.1308017749.git.rees@umich.edu \
--to=rees@umich.edu \
--cc=bhalevy@panasas.com \
--cc=honey@citi.umich.edu \
--cc=linux-nfs@vger.kernel.org \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).