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From: Nigel Cunningham <nigel@tuxonice.net>
To: "Rafael J. Wysocki" <rjw@sisk.pl>,
	Linux PM <linux-pm@lists.linux-foundation.org>,
	LKML <linux-kernel@vger.kernel.org>,
	TuxOnIce-devel <tuxonice-devel@tuxonice.net>
Subject: [PATCH 19/21] Hibernation: Prepare for handle.cur removal
Date: Wed,  2 Jun 2010 22:19:18 +1000	[thread overview]
Message-ID: <1275481160-31150-20-git-send-email-nigel@tuxonice.net> (raw)
In-Reply-To: <1275481160-31150-1-git-send-email-nigel@tuxonice.net>

Prepare for the removal of handle.cur by stopping using
it in get_swap_reader.

Signed-off-by: Nigel Cunningham <nigel@tuxonice.net>
---
 kernel/power/block_io.c |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/kernel/power/block_io.c b/kernel/power/block_io.c
index c71c7c3..dd71ef2 100644
--- a/kernel/power/block_io.c
+++ b/kernel/power/block_io.c
@@ -276,29 +276,29 @@ int get_swap_reader(unsigned int *flags_p, sector_t first_page)
 	if (!handle.cur)
 		return -ENOMEM;
 
-	error = hib_bio_read_page(first_page, handle.cur, 1);
+	error = hib_prepare_buffer();
 	if (error) {
 		release_swap_reader();
 		return error;
 	}
 
-	error = hib_prepare_buffer();
+	/* Bootstrap reading the extents */
+	error = hib_bio_read_page(first_page, hib_ppio_buffer, 1);
 	if (error) {
 		release_swap_reader();
+		hib_free_buffer();
 		return error;
 	}
 
 	handle.k = 0;
 
-	/* Bootstrap reading the extents */
-	memcpy(hib_ppio_buffer, handle.cur, PAGE_SIZE);
 	error = hib_extents_load(&sector_extents, 1);
 
 	if (error) {
 		release_swap_reader();
-		return error;
 	}
 
+	hib_free_buffer();
 	return error;
 }
 
-- 
1.7.0.4


  parent reply	other threads:[~2010-06-02 12:20 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-02 12:18 Nigel's current for-rafael queue Nigel Cunningham
2010-06-02 12:19 ` [PATCH 01/21] Hibernation: Swap iteration functions Nigel Cunningham
2010-06-02 12:19 ` [PATCH 02/21] Hibernation: Move root_swap declaration Nigel Cunningham
2010-06-02 12:19 ` [PATCH 03/21] Hibernation: Add mass swap allocation routine Nigel Cunningham
2010-06-02 12:19 ` [PATCH 04/21] Hibernation: Switch to preallocating swap Nigel Cunningham
2010-06-02 12:19 ` [PATCH 05/21] Hiberation: Fix speed display Nigel Cunningham
2010-06-02 12:19 ` [PATCH 06/21] Hibernation: Generic extents support Nigel Cunningham
2010-06-02 12:19 ` [PATCH 07/21] Hibernation: Iterate over sectors not swap entries Nigel Cunningham
2010-06-02 12:19 ` [PATCH 08/21] Hibernation: Stop passing swap_map_handle struct Nigel Cunningham
2010-06-02 12:19 ` [PATCH 09/21] Hibernation: Stop passing bio_chain around Nigel Cunningham
2010-06-02 12:19 ` [PATCH 10/21] Hibernation: Move block i/o fns to block_io.c Nigel Cunningham
2010-06-02 12:19 ` [PATCH 11/21] Hibernation: Partial page I/O support Nigel Cunningham
2010-06-02 12:19 ` [PATCH 12/21] Hibernation: Extent save/load routines Nigel Cunningham
2010-06-02 12:19 ` [PATCH 13/21] Hibernation: Store block extents at start of image Nigel Cunningham
2010-06-02 12:19 ` [PATCH 14/21] Hibernation: Use block extents for reading image Nigel Cunningham
2010-06-02 12:19 ` [PATCH 15/21] Remove first_sector from swap_map_handle Nigel Cunningham
2010-06-02 12:19 ` [PATCH 16/21] Hibernation: Replace bio chain Nigel Cunningham
2010-06-02 12:19 ` [PATCH 17/21] Hibernation: Remove swap_map_pages Nigel Cunningham
2010-06-02 12:19 ` [PATCH 18/21] Hibernation: Remove wait_on_bio_chain result Nigel Cunningham
2010-06-02 12:19 ` Nigel Cunningham [this message]
2010-06-02 12:19 ` [PATCH 20/21] Hibernation: Remove swap_map structure Nigel Cunningham
2010-06-02 12:19 ` [PATCH 21/21] Hibernation: Remove now-empty routines Nigel Cunningham
2010-08-03  6:55 ` Nigel's current for-rafael queue Pavel Machek
2010-08-03  7:00   ` Nigel Cunningham

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