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-rw-r--r--fs/btrfs/file.c2
-rw-r--r--fs/ceph/file.c2
-rw-r--r--fs/ext2/ialloc.c2
-rw-r--r--fs/ext4/super.c2
-rw-r--r--fs/fs-writeback.c3
-rw-r--r--fs/fuse/file.c10
-rw-r--r--fs/gfs2/aops.c2
-rw-r--r--fs/gfs2/super.c2
-rw-r--r--fs/nfs/filelayout/filelayout.c2
-rw-r--r--fs/nfs/write.c6
-rw-r--r--fs/ntfs/file.c3
-rw-r--r--fs/ocfs2/file.c2
-rw-r--r--fs/xfs/xfs_file.c2
-rw-r--r--include/linux/backing-dev.h6
-rw-r--r--include/trace/events/writeback.h6
-rw-r--r--mm/fadvise.c4
-rw-r--r--mm/filemap.c4
-rw-r--r--mm/filemap_xip.c3
-rw-r--r--mm/page-writeback.c29
-rw-r--r--mm/readahead.c4
-rw-r--r--mm/truncate.c2
-rw-r--r--mm/vmscan.c4
22 files changed, 52 insertions, 50 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index e4090259569b..835c04a874fd 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1746,7 +1746,7 @@ static ssize_t btrfs_file_write_iter(struct kiocb *iocb,
mutex_lock(&inode->i_mutex);
- current->backing_dev_info = inode->i_mapping->backing_dev_info;
+ current->backing_dev_info = inode_to_bdi(inode);
err = generic_write_checks(file, &pos, &count, S_ISBLK(inode->i_mode));
if (err) {
mutex_unlock(&inode->i_mutex);
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index ce74b394b49d..905986dd4c3c 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -945,7 +945,7 @@ static ssize_t ceph_write_iter(struct kiocb *iocb, struct iov_iter *from)
mutex_lock(&inode->i_mutex);
/* We can write back this queue in page reclaim */
- current->backing_dev_info = file->f_mapping->backing_dev_info;
+ current->backing_dev_info = inode_to_bdi(inode);
err = generic_write_checks(file, &pos, &count, S_ISBLK(inode->i_mode));
if (err)
diff --git a/fs/ext2/ialloc.c b/fs/ext2/ialloc.c
index 7d66fb0e4cca..6c14bb8322fa 100644
--- a/fs/ext2/ialloc.c
+++ b/fs/ext2/ialloc.c
@@ -170,7 +170,7 @@ static void ext2_preread_inode(struct inode *inode)
struct ext2_group_desc * gdp;
struct backing_dev_info *bdi;
- bdi = inode->i_mapping->backing_dev_info;
+ bdi = inode_to_bdi(inode);
if (bdi_read_congested(bdi))
return;
if (bdi_write_congested(bdi))
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 74c5f53595fb..ad88e601a6cd 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -334,7 +334,7 @@ static void save_error_info(struct super_block *sb, const char *func,
static int block_device_ejected(struct super_block *sb)
{
struct inode *bd_inode = sb->s_bdev->bd_inode;
- struct backing_dev_info *bdi = bd_inode->i_mapping->backing_dev_info;
+ struct backing_dev_info *bdi = inode_to_bdi(bd_inode);
return bdi->dev == NULL;
}
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index e8116a44cc29..a20b1145f4d5 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -66,7 +66,7 @@ int writeback_in_progress(struct backing_dev_info *bdi)
}
EXPORT_SYMBOL(writeback_in_progress);
-static inline struct backing_dev_info *inode_to_bdi(struct inode *inode)
+struct backing_dev_info *inode_to_bdi(struct inode *inode)
{
struct super_block *sb = inode->i_sb;
#ifdef CONFIG_BLOCK
@@ -75,6 +75,7 @@ static inline struct backing_dev_info *inode_to_bdi(struct inode *inode)
#endif
return sb->s_bdi;
}
+EXPORT_SYMBOL_GPL(inode_to_bdi);
static inline struct inode *wb_inode(struct list_head *head)
{
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 760b2c552197..19d80b82d344 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1159,7 +1159,7 @@ static ssize_t fuse_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
mutex_lock(&inode->i_mutex);
/* We can write back this queue in page reclaim */
- current->backing_dev_info = mapping->backing_dev_info;
+ current->backing_dev_info = inode_to_bdi(inode);
err = generic_write_checks(file, &pos, &count, S_ISBLK(inode->i_mode));
if (err)
@@ -1464,7 +1464,7 @@ static void fuse_writepage_finish(struct fuse_conn *fc, struct fuse_req *req)
{
struct inode *inode = req->inode;
struct fuse_inode *fi = get_fuse_inode(inode);
- struct backing_dev_info *bdi = inode->i_mapping->backing_dev_info;
+ struct backing_dev_info *bdi = inode_to_bdi(inode);
int i;
list_del(&req->writepages_entry);
@@ -1658,7 +1658,7 @@ static int fuse_writepage_locked(struct page *page)
req->end = fuse_writepage_end;
req->inode = inode;
- inc_bdi_stat(mapping->backing_dev_info, BDI_WRITEBACK);
+ inc_bdi_stat(inode_to_bdi(inode), BDI_WRITEBACK);
inc_zone_page_state(tmp_page, NR_WRITEBACK_TEMP);
spin_lock(&fc->lock);
@@ -1768,7 +1768,7 @@ static bool fuse_writepage_in_flight(struct fuse_req *new_req,
if (old_req->num_pages == 1 && (old_req->state == FUSE_REQ_INIT ||
old_req->state == FUSE_REQ_PENDING)) {
- struct backing_dev_info *bdi = page->mapping->backing_dev_info;
+ struct backing_dev_info *bdi = inode_to_bdi(page->mapping->host);
copy_highpage(old_req->pages[0], page);
spin_unlock(&fc->lock);
@@ -1872,7 +1872,7 @@ static int fuse_writepages_fill(struct page *page,
req->page_descs[req->num_pages].offset = 0;
req->page_descs[req->num_pages].length = PAGE_SIZE;
- inc_bdi_stat(page->mapping->backing_dev_info, BDI_WRITEBACK);
+ inc_bdi_stat(inode_to_bdi(inode), BDI_WRITEBACK);
inc_zone_page_state(tmp_page, NR_WRITEBACK_TEMP);
err = 0;
diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c
index 805b37fed638..4ad4f94edebe 100644
--- a/fs/gfs2/aops.c
+++ b/fs/gfs2/aops.c
@@ -289,7 +289,7 @@ continue_unlock:
if (!clear_page_dirty_for_io(page))
goto continue_unlock;
- trace_wbc_writepage(wbc, mapping->backing_dev_info);
+ trace_wbc_writepage(wbc, inode_to_bdi(inode));
ret = __gfs2_jdata_writepage(page, wbc);
if (unlikely(ret)) {
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index 5b327f837de7..1666382b198d 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -743,7 +743,7 @@ static int gfs2_write_inode(struct inode *inode, struct writeback_control *wbc)
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_sbd *sdp = GFS2_SB(inode);
struct address_space *metamapping = gfs2_glock2aspace(ip->i_gl);
- struct backing_dev_info *bdi = metamapping->backing_dev_info;
+ struct backing_dev_info *bdi = inode_to_bdi(metamapping->host);
int ret = 0;
if (wbc->sync_mode == WB_SYNC_ALL)
diff --git a/fs/nfs/filelayout/filelayout.c b/fs/nfs/filelayout/filelayout.c
index 7afb52f6a25a..51aa889611cf 100644
--- a/fs/nfs/filelayout/filelayout.c
+++ b/fs/nfs/filelayout/filelayout.c
@@ -1081,7 +1081,7 @@ mds_commit:
spin_unlock(cinfo->lock);
if (!cinfo->dreq) {
inc_zone_page_state(req->wb_page, NR_UNSTABLE_NFS);
- inc_bdi_stat(page_file_mapping(req->wb_page)->backing_dev_info,
+ inc_bdi_stat(inode_to_bdi(page_file_mapping(req->wb_page)->host),
BDI_RECLAIMABLE);
__mark_inode_dirty(req->wb_context->dentry->d_inode,
I_DIRTY_DATASYNC);
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index af3af685a9e3..298abcc5281b 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -786,7 +786,7 @@ nfs_request_add_commit_list(struct nfs_page *req, struct list_head *dst,
spin_unlock(cinfo->lock);
if (!cinfo->dreq) {
inc_zone_page_state(req->wb_page, NR_UNSTABLE_NFS);
- inc_bdi_stat(page_file_mapping(req->wb_page)->backing_dev_info,
+ inc_bdi_stat(inode_to_bdi(page_file_mapping(req->wb_page)->host),
BDI_RECLAIMABLE);
__mark_inode_dirty(req->wb_context->dentry->d_inode,
I_DIRTY_DATASYNC);
@@ -853,7 +853,7 @@ static void
nfs_clear_page_commit(struct page *page)
{
dec_zone_page_state(page, NR_UNSTABLE_NFS);
- dec_bdi_stat(page_file_mapping(page)->backing_dev_info, BDI_RECLAIMABLE);
+ dec_bdi_stat(inode_to_bdi(page_file_mapping(page)->host), BDI_RECLAIMABLE);
}
/* Called holding inode (/cinfo) lock */
@@ -1564,7 +1564,7 @@ void nfs_retry_commit(struct list_head *page_list,
nfs_mark_request_commit(req, lseg, cinfo);
if (!cinfo->dreq) {
dec_zone_page_state(req->wb_page, NR_UNSTABLE_NFS);
- dec_bdi_stat(page_file_mapping(req->wb_page)->backing_dev_info,
+ dec_bdi_stat(inode_to_bdi(page_file_mapping(req->wb_page)->host),
BDI_RECLAIMABLE);
}
nfs_unlock_and_release_request(req);
diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c
index 643faa44f22b..1da9b2d184dc 100644
--- a/fs/ntfs/file.c
+++ b/fs/ntfs/file.c
@@ -19,6 +19,7 @@
* Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
+#include <linux/backing-dev.h>
#include <linux/buffer_head.h>
#include <linux/gfp.h>
#include <linux/pagemap.h>
@@ -2091,7 +2092,7 @@ static ssize_t ntfs_file_aio_write_nolock(struct kiocb *iocb,
count = iov_length(iov, nr_segs);
pos = *ppos;
/* We can write back this queue in page reclaim. */
- current->backing_dev_info = mapping->backing_dev_info;
+ current->backing_dev_info = inode_to_bdi(inode);
written = 0;
err = generic_write_checks(file, &pos, &count, S_ISBLK(inode->i_mode));
if (err)
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 3950693dd0f6..abe7d98d6178 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -2363,7 +2363,7 @@ relock:
goto out_dio;
}
} else {
- current->backing_dev_info = file->f_mapping->backing_dev_info;
+ current->backing_dev_info = inode_to_bdi(inode);
written = generic_perform_write(file, from, *ppos);
if (likely(written >= 0))
iocb->ki_pos = *ppos + written;
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index 13e974e6a889..5684ac3e7d18 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -699,7 +699,7 @@ xfs_file_buffered_aio_write(
iov_iter_truncate(from, count);
/* We can write back this queue in page reclaim */
- current->backing_dev_info = mapping->backing_dev_info;
+ current->backing_dev_info = inode_to_bdi(inode);
write_retry:
trace_xfs_file_buffered_write(ip, count, iocb->ki_pos, 0);
diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
index 478f95d92d73..ed59dee03a71 100644
--- a/include/linux/backing-dev.h
+++ b/include/linux/backing-dev.h
@@ -106,6 +106,8 @@ struct backing_dev_info {
#endif
};
+struct backing_dev_info *inode_to_bdi(struct inode *inode);
+
int __must_check bdi_init(struct backing_dev_info *bdi);
void bdi_destroy(struct backing_dev_info *bdi);
@@ -303,12 +305,12 @@ static inline bool bdi_cap_account_writeback(struct backing_dev_info *bdi)
static inline bool mapping_cap_writeback_dirty(struct address_space *mapping)
{
- return bdi_cap_writeback_dirty(mapping->backing_dev_info);
+ return bdi_cap_writeback_dirty(inode_to_bdi(mapping->host));
}
static inline bool mapping_cap_account_dirty(struct address_space *mapping)
{
- return bdi_cap_account_dirty(mapping->backing_dev_info);
+ return bdi_cap_account_dirty(inode_to_bdi(mapping->host));
}
static inline int bdi_sched_wait(void *word)
diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h
index cee02d65ab3f..74f5207bd090 100644
--- a/include/trace/events/writeback.h
+++ b/include/trace/events/writeback.h
@@ -47,7 +47,7 @@ TRACE_EVENT(writeback_dirty_page,
TP_fast_assign(
strncpy(__entry->name,
- mapping ? dev_name(mapping->backing_dev_info->dev) : "(unknown)", 32);
+ mapping ? dev_name(inode_to_bdi(mapping->host)->dev) : "(unknown)", 32);
__entry->ino = mapping ? mapping->host->i_ino : 0;
__entry->index = page->index;
),
@@ -72,7 +72,7 @@ DECLARE_EVENT_CLASS(writeback_dirty_inode_template,
),
TP_fast_assign(
- struct backing_dev_info *bdi = inode->i_mapping->backing_dev_info;
+ struct backing_dev_info *bdi = inode_to_bdi(inode);
/* may be called for files on pseudo FSes w/ unregistered bdi */
strncpy(__entry->name,
@@ -116,7 +116,7 @@ DECLARE_EVENT_CLASS(writeback_write_inode_template,
TP_fast_assign(
strncpy(__entry->name,
- dev_name(inode->i_mapping->backing_dev_info->dev), 32);
+ dev_name(inode_to_bdi(inode)->dev), 32);
__entry->ino = inode->i_ino;
__entry->sync_mode = wbc->sync_mode;
),
diff --git a/mm/fadvise.c b/mm/fadvise.c
index 2ad7adf4f0a4..fac23ecf8d72 100644
--- a/mm/fadvise.c
+++ b/mm/fadvise.c
@@ -73,7 +73,7 @@ SYSCALL_DEFINE4(fadvise64_64, int, fd, loff_t, offset, loff_t, len, int, advice)
else
endbyte--; /* inclusive */
- bdi = mapping->backing_dev_info;
+ bdi = inode_to_bdi(mapping->host);
switch (advice) {
case POSIX_FADV_NORMAL:
@@ -113,7 +113,7 @@ SYSCALL_DEFINE4(fadvise64_64, int, fd, loff_t, offset, loff_t, len, int, advice)
case POSIX_FADV_NOREUSE:
break;
case POSIX_FADV_DONTNEED:
- if (!bdi_write_congested(mapping->backing_dev_info))
+ if (!bdi_write_congested(bdi))
__filemap_fdatawrite_range(mapping, offset, endbyte,
WB_SYNC_NONE);
diff --git a/mm/filemap.c b/mm/filemap.c
index 673e4581a2e5..5d7c23c26f81 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -211,7 +211,7 @@ void __delete_from_page_cache(struct page *page, void *shadow)
*/
if (PageDirty(page) && mapping_cap_account_dirty(mapping)) {
dec_zone_page_state(page, NR_FILE_DIRTY);
- dec_bdi_stat(mapping->backing_dev_info, BDI_RECLAIMABLE);
+ dec_bdi_stat(inode_to_bdi(mapping->host), BDI_RECLAIMABLE);
}
}
@@ -2565,7 +2565,7 @@ ssize_t __generic_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
size_t count = iov_iter_count(from);
/* We can write back this queue in page reclaim */
- current->backing_dev_info = mapping->backing_dev_info;
+ current->backing_dev_info = inode_to_bdi(inode);
err = generic_write_checks(file, &pos, &count, S_ISBLK(inode->i_mode));
if (err)
goto out;
diff --git a/mm/filemap_xip.c b/mm/filemap_xip.c
index 0d105aeff82f..26897fbfbe19 100644
--- a/mm/filemap_xip.c
+++ b/mm/filemap_xip.c
@@ -9,6 +9,7 @@
*/
#include <linux/fs.h>
+#include <linux/backing-dev.h>
#include <linux/pagemap.h>
#include <linux/export.h>
#include <linux/uio.h>
@@ -410,7 +411,7 @@ xip_file_write(struct file *filp, const char __user *buf, size_t len,
count = len;
/* We can write back this queue in page reclaim */
- current->backing_dev_info = mapping->backing_dev_info;
+ current->backing_dev_info = inode_to_bdi(inode);
ret = generic_write_checks(filp, &pos, &count, S_ISBLK(inode->i_mode));
if (ret)
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 6f4335238e33..d4cbb4bd7d1c 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -1351,7 +1351,7 @@ static void balance_dirty_pages(struct address_space *mapping,
unsigned long task_ratelimit;
unsigned long dirty_ratelimit;
unsigned long pos_ratio;
- struct backing_dev_info *bdi = mapping->backing_dev_info;
+ struct backing_dev_info *bdi = inode_to_bdi(mapping->host);
bool strictlimit = bdi->capabilities & BDI_CAP_STRICTLIMIT;
unsigned long start_time = jiffies;
@@ -1574,7 +1574,7 @@ DEFINE_PER_CPU(int, dirty_throttle_leaks) = 0;
*/
void balance_dirty_pages_ratelimited(struct address_space *mapping)
{
- struct backing_dev_info *bdi = mapping->backing_dev_info;
+ struct backing_dev_info *bdi = inode_to_bdi(mapping->host);
int ratelimit;
int *p;
@@ -1929,7 +1929,7 @@ continue_unlock:
if (!clear_page_dirty_for_io(page))
goto continue_unlock;
- trace_wbc_writepage(wbc, mapping->backing_dev_info);
+ trace_wbc_writepage(wbc, inode_to_bdi(mapping->host));
ret = (*writepage)(page, wbc, data);
if (unlikely(ret)) {
if (ret == AOP_WRITEPAGE_ACTIVATE) {
@@ -2094,10 +2094,12 @@ void account_page_dirtied(struct page *page, struct address_space *mapping)
trace_writeback_dirty_page(page, mapping);
if (mapping_cap_account_dirty(mapping)) {
+ struct backing_dev_info *bdi = inode_to_bdi(mapping->host);
+
__inc_zone_page_state(page, NR_FILE_DIRTY);
__inc_zone_page_state(page, NR_DIRTIED);
- __inc_bdi_stat(mapping->backing_dev_info, BDI_RECLAIMABLE);
- __inc_bdi_stat(mapping->backing_dev_info, BDI_DIRTIED);
+ __inc_bdi_stat(bdi, BDI_RECLAIMABLE);
+ __inc_bdi_stat(bdi, BDI_DIRTIED);
task_io_account_write(PAGE_CACHE_SIZE);
current->nr_dirtied++;
this_cpu_inc(bdp_ratelimits);
@@ -2156,7 +2158,7 @@ void account_page_redirty(struct page *page)
if (mapping && mapping_cap_account_dirty(mapping)) {
current->nr_dirtied--;
dec_zone_page_state(page, NR_DIRTIED);
- dec_bdi_stat(mapping->backing_dev_info, BDI_DIRTIED);
+ dec_bdi_stat(inode_to_bdi(mapping->host), BDI_DIRTIED);
}
}
EXPORT_SYMBOL(account_page_redirty);
@@ -2295,7 +2297,7 @@ int clear_page_dirty_for_io(struct page *page)
*/
if (TestClearPageDirty(page)) {
dec_zone_page_state(page, NR_FILE_DIRTY);
- dec_bdi_stat(mapping->backing_dev_info,
+ dec_bdi_stat(inode_to_bdi(mapping->host),
BDI_RECLAIMABLE);
return 1;
}
@@ -2315,7 +2317,7 @@ int test_clear_page_writeback(struct page *page)
memcg = mem_cgroup_begin_page_stat(page, &locked, &memcg_flags);
if (mapping) {
- struct backing_dev_info *bdi = mapping->backing_dev_info;
+ struct backing_dev_info *bdi = inode_to_bdi(mapping->host);
unsigned long flags;
spin_lock_irqsave(&mapping->tree_lock, flags);
@@ -2352,7 +2354,7 @@ int __test_set_page_writeback(struct page *page, bool keep_write)
memcg = mem_cgroup_begin_page_stat(page, &locked, &memcg_flags);
if (mapping) {
- struct backing_dev_info *bdi = mapping->backing_dev_info;
+ struct backing_dev_info *bdi = inode_to_bdi(mapping->host);
unsigned long flags;
spin_lock_irqsave(&mapping->tree_lock, flags);
@@ -2406,12 +2408,7 @@ EXPORT_SYMBOL(mapping_tagged);
*/
void wait_for_stable_page(struct page *page)
{
- struct address_space *mapping = page_mapping(page);
- struct backing_dev_info *bdi = mapping->backing_dev_info;
-
- if (!bdi_cap_stable_pages_required(bdi))
- return;
-
- wait_on_page_writeback(page);
+ if (bdi_cap_stable_pages_required(inode_to_bdi(page->mapping->host)))
+ wait_on_page_writeback(page);
}
EXPORT_SYMBOL_GPL(wait_for_stable_page);
diff --git a/mm/readahead.c b/mm/readahead.c
index 17b9172ec37f..935675844b2e 100644
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -27,7 +27,7 @@
void
file_ra_state_init(struct file_ra_state *ra, struct address_space *mapping)
{
- ra->ra_pages = mapping->backing_dev_info->ra_pages;
+ ra->ra_pages = inode_to_bdi(mapping->host)->ra_pages;
ra->prev_pos = -1;
}
EXPORT_SYMBOL_GPL(file_ra_state_init);
@@ -541,7 +541,7 @@ page_cache_async_readahead(struct address_space *mapping,
/*
* Defer asynchronous read-ahead on IO congestion.
*/
- if (bdi_read_congested(mapping->backing_dev_info))
+ if (bdi_read_congested(inode_to_bdi(mapping->host)))
return;
/* do read-ahead */
diff --git a/mm/truncate.c b/mm/truncate.c
index f1e4d6052369..ddec5a5966d7 100644
--- a/mm/truncate.c
+++ b/mm/truncate.c
@@ -112,7 +112,7 @@ void cancel_dirty_page(struct page *page, unsigned int account_size)
struct address_space *mapping = page->mapping;
if (mapping && mapping_cap_account_dirty(mapping)) {
dec_zone_page_state(page, NR_FILE_DIRTY);
- dec_bdi_stat(mapping->backing_dev_info,
+ dec_bdi_stat(inode_to_bdi(mapping->host),
BDI_RECLAIMABLE);
if (account_size)
task_io_account_cancelled_write(account_size);
diff --git a/mm/vmscan.c b/mm/vmscan.c
index ab2505c3ef54..e00a16393f21 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -497,7 +497,7 @@ static pageout_t pageout(struct page *page, struct address_space *mapping,
}
if (mapping->a_ops->writepage == NULL)
return PAGE_ACTIVATE;
- if (!may_write_to_queue(mapping->backing_dev_info, sc))
+ if (!may_write_to_queue(inode_to_bdi(mapping->host), sc))
return PAGE_KEEP;
if (clear_page_dirty_for_io(page)) {
@@ -876,7 +876,7 @@ static unsigned long shrink_page_list(struct list_head *page_list,
*/
mapping = page_mapping(page);
if (((dirty || writeback) && mapping &&
- bdi_write_congested(mapping->backing_dev_info)) ||
+ bdi_write_congested(inode_to_bdi(mapping->host))) ||
(writeback && PageReclaim(page)))
nr_congested++;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 14:15:53 +0000