2.6.27-stable review patch. If anyone has any objections, please let us know.
------------------
From: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
commit 74baaaaec8b4f22e1ae279f5ecca4ff705b28912 upstream.
Ext4 was the only user of range_cont writeback mode and ext4 switched
to a different method. So remove the range_cont mode which is not used
in the kernel.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Signed-off-by: "Theodore Ts'o" <tytso@xxxxxxx>
CC: linux-fsdevel@xxxxxxxxxxxxxxx
Signed-off-by: Jayson R. King <dev@xxxxxxxxxxxxxx>
Signed-off-by: Theodore Ts'o <tytso@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
include/linux/writeback.h | 1 -
mm/page-writeback.c | 2 --
2 files changed, 3 deletions(-)
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -62,7 +62,6 @@ struct writeback_control {
unsigned for_writepages:1; /* This is a writepages() call */
unsigned range_cyclic:1; /* range_start is cyclic */
unsigned more_io:1; /* more io to be dispatched */
- unsigned range_cont:1;
};
/*
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -1027,8 +1027,6 @@ continue_unlock:
if (wbc->range_cyclic || (range_whole && wbc->nr_to_write > 0))
mapping->writeback_index = done_index;
- if (wbc->range_cont)
- wbc->range_start = index << PAGE_CACHE_SHIFT;
return ret;
}
EXPORT_SYMBOL(write_cache_pages);
--
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