ext4: Adjust ext4_da_writepages() to write out larger contiguous chunks

[pandora-kernel.git] / fs / ext4 / super.c

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index df539ba..1681773 100644 (file)
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2197,6 +2197,7 @@ EXT4_RW_ATTR_SBI_UI(mb_min_to_scan, s_mb_min_to_scan);
 EXT4_RW_ATTR_SBI_UI(mb_order2_req, s_mb_order2_reqs);
 EXT4_RW_ATTR_SBI_UI(mb_stream_req, s_mb_stream_request);
 EXT4_RW_ATTR_SBI_UI(mb_group_prealloc, s_mb_group_prealloc);
+EXT4_RW_ATTR_SBI_UI(max_writeback_mb_bump, s_max_writeback_mb_bump);
 
 static struct attribute *ext4_attrs[] = {
        ATTR_LIST(delayed_allocation_blocks),
@@ -2210,6 +2211,7 @@ static struct attribute *ext4_attrs[] = {
        ATTR_LIST(mb_order2_req),
        ATTR_LIST(mb_stream_req),
        ATTR_LIST(mb_group_prealloc),
+       ATTR_LIST(max_writeback_mb_bump),
        NULL,
 };
 
@@ -2679,6 +2681,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
        }
 
        sbi->s_stripe = ext4_get_stripe_size(sbi);
+       sbi->s_max_writeback_mb_bump = 128;
 
        /*
         * set up enough so that it can read an inode