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Subject[PATCH 15/22] Hibernation: Use block extents for reading image
Date
Switch from using swap map pages to using block extents for
knowing where the next page needs to be read from.

Signed-off-by: Nigel Cunningham <nigel@tuxonice.net>
---
kernel/power/block_io.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/power/block_io.c b/kernel/power/block_io.c
index 89601d3..f2bc044 100644
--- a/kernel/power/block_io.c
+++ b/kernel/power/block_io.c
@@ -332,7 +332,7 @@ int swap_read_page(void *buf, int sync)

if (!handle.cur)
return -EINVAL;
- offset = handle.cur->entries[handle.k];
+ offset = hib_extent_next(&sector_extents);
if (!offset)
return -EFAULT;
error = hib_bio_read_page(offset, buf, sync);
@@ -341,7 +341,7 @@ int swap_read_page(void *buf, int sync)
if (++handle.k >= MAP_PAGE_ENTRIES) {
error = hib_wait_on_bio_chain();
handle.k = 0;
- offset = handle.cur->next_swap;
+ offset = hib_extent_next(&sector_extents);
if (!offset)
release_swap_reader();
else if (!error)
--
1.7.0.4


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