summaryrefslogtreecommitdiff
path: root/fs/fs-writeback.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/fs-writeback.c')
-rw-r--r--fs/fs-writeback.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 30de37865fa1..52763fa499d6 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -33,11 +33,6 @@
#include "internal.h"
/*
- * 4MB minimal write chunk size
- */
-#define MIN_WRITEBACK_PAGES (4096UL >> (PAGE_SHIFT - 10))
-
-/*
* Passed into wb_writeback(), essentially a subset of writeback_control
*/
struct wb_writeback_work {
@@ -1889,8 +1884,8 @@ out:
return ret;
}
-static long writeback_chunk_size(struct bdi_writeback *wb,
- struct wb_writeback_work *work)
+static long writeback_chunk_size(struct super_block *sb,
+ struct bdi_writeback *wb, struct wb_writeback_work *work)
{
long pages;
@@ -1913,7 +1908,8 @@ static long writeback_chunk_size(struct bdi_writeback *wb,
pages = min(wb->avg_write_bandwidth / 2,
global_wb_domain.dirty_limit / DIRTY_SCOPE);
pages = min(pages, work->nr_pages);
- return round_down(pages + MIN_WRITEBACK_PAGES, MIN_WRITEBACK_PAGES);
+ return round_down(pages + sb->s_min_writeback_pages,
+ sb->s_min_writeback_pages);
}
/*
@@ -2015,7 +2011,7 @@ static long writeback_sb_inodes(struct super_block *sb,
inode->i_state |= I_SYNC;
wbc_attach_and_unlock_inode(&wbc, inode);
- write_chunk = writeback_chunk_size(wb, work);
+ write_chunk = writeback_chunk_size(inode->i_sb, wb, work);
wbc.nr_to_write = write_chunk;
wbc.pages_skipped = 0;