[Suspend2][ 05/35] [Suspend2] Filewriter storage available less ignored pages.

[Nigel Cunningham <nigel@suspend2.net>]

Return the number of pages the filewriter will actually use in the provided
storage.

Signed-off-by: Nigel Cunningham <nigel@suspend2.net>

 kernel/power/suspend_file.c |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/kernel/power/suspend_file.c b/kernel/power/suspend_file.c
index 41aaed4..9046b80 100644
--- a/kernel/power/suspend_file.c
+++ b/kernel/power/suspend_file.c
@@ -154,3 +154,17 @@ static int has_contiguous_blocks(int pag
 	return (j == devinfo.blocks_per_page);
 }
 
+static int size_ignoring_ignored_pages(void)
+{
+	int mappable = 0, i;
+	
+	if (target_is_normal_file()) {
+		for (i = 0; i < (target_inode->i_size >> PAGE_SHIFT) ; i++)
+			if (has_contiguous_blocks(i))
+				mappable++;
+	
+		return mappable;
+	} else
+		return filewriter_storage_available();
+}
+

--
Nigel Cunningham		nigel at suspend2 dot net
-
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