writeback: remove writeback_inodes_wbc
This was just an odd wrapper around writeback_inodes_wb. Removing this
also allows to get rid of the bdi member of struct writeback_control
which was rather out of place there.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
diff --git a/fs/afs/write.c b/fs/afs/write.c
index 3dab9e9..722743b 100644
--- a/fs/afs/write.c
+++ b/fs/afs/write.c
@@ -680,7 +680,6 @@
{
struct address_space *mapping = vnode->vfs_inode.i_mapping;
struct writeback_control wbc = {
- .bdi = mapping->backing_dev_info,
.sync_mode = WB_SYNC_ALL,
.nr_to_write = LONG_MAX,
.range_cyclic = 1,
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index a4080c2..d74e6af 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2594,7 +2594,6 @@
.sync_io = wbc->sync_mode == WB_SYNC_ALL,
};
struct writeback_control wbc_writepages = {
- .bdi = wbc->bdi,
.sync_mode = wbc->sync_mode,
.older_than_this = NULL,
.nr_to_write = 64,
@@ -2628,7 +2627,6 @@
.sync_io = mode == WB_SYNC_ALL,
};
struct writeback_control wbc_writepages = {
- .bdi = inode->i_mapping->backing_dev_info,
.sync_mode = mode,
.older_than_this = NULL,
.nr_to_write = nr_pages * 2,
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 6981e4b..94a602e 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -614,8 +614,8 @@
return 1;
}
-static void writeback_inodes_wb(struct bdi_writeback *wb,
- struct writeback_control *wbc)
+void writeback_inodes_wb(struct bdi_writeback *wb,
+ struct writeback_control *wbc)
{
int ret = 0;
@@ -660,13 +660,6 @@
/* Leave any unwritten inodes on b_io */
}
-void writeback_inodes_wbc(struct writeback_control *wbc)
-{
- struct backing_dev_info *bdi = wbc->bdi;
-
- writeback_inodes_wb(&bdi->wb, wbc);
-}
-
/*
* The maximum number of pages to writeout in a single bdi flush/kupdate
* operation. We do this so we don't hold I_SYNC against an inode for
@@ -705,7 +698,6 @@
struct wb_writeback_args *args)
{
struct writeback_control wbc = {
- .bdi = wb->bdi,
.sb = args->sb,
.sync_mode = args->sync_mode,
.older_than_this = NULL,
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index d63ef8f..f6756f6 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -27,8 +27,6 @@
* in a manner such that unspecified fields are set to zero.
*/
struct writeback_control {
- struct backing_dev_info *bdi; /* If !NULL, only write back this
- queue */
struct super_block *sb; /* if !NULL, only write inodes from
this super_block */
enum writeback_sync_modes sync_mode;
@@ -66,7 +64,8 @@
void writeback_inodes_sb(struct super_block *);
int writeback_inodes_sb_if_idle(struct super_block *);
void sync_inodes_sb(struct super_block *);
-void writeback_inodes_wbc(struct writeback_control *wbc);
+void writeback_inodes_wb(struct bdi_writeback *wb,
+ struct writeback_control *wbc);
long wb_do_writeback(struct bdi_writeback *wb, int force_wait);
void wakeup_flusher_threads(long nr_pages);
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 660a87a..6e0b09a 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -340,14 +340,13 @@
static void bdi_flush_io(struct backing_dev_info *bdi)
{
struct writeback_control wbc = {
- .bdi = bdi,
.sync_mode = WB_SYNC_NONE,
.older_than_this = NULL,
.range_cyclic = 1,
.nr_to_write = 1024,
};
- writeback_inodes_wbc(&wbc);
+ writeback_inodes_wb(&bdi->wb, &wbc);
}
/*
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 54f28bd..37498ef 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -495,7 +495,6 @@
for (;;) {
struct writeback_control wbc = {
- .bdi = bdi,
.sync_mode = WB_SYNC_NONE,
.older_than_this = NULL,
.nr_to_write = write_chunk,
@@ -537,7 +536,7 @@
* up.
*/
if (bdi_nr_reclaimable > bdi_thresh) {
- writeback_inodes_wbc(&wbc);
+ writeback_inodes_wb(&bdi->wb, &wbc);
pages_written += write_chunk - wbc.nr_to_write;
get_dirty_limits(&background_thresh, &dirty_thresh,
&bdi_thresh, bdi);