diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst
index a5c845338d6d70f5c0eec37b8572cd11bd0d0a9c..6223f485f7e1d9fdbd35ae4a2ca240de64f1ac5e 100644
--- a/Documentation/admin-guide/cgroup-v2.rst
+++ b/Documentation/admin-guide/cgroup-v2.rst
@@ -2114,7 +2114,7 @@ following two functions.
a queue (device) has been associated with the bio and
before submission.
- wbc_account_io(@wbc, @page, @bytes)
+ wbc_account_cgroup_owner(@wbc, @page, @bytes)
Should be called for each data segment being written out.
While this function doesn't care exactly when it's called
during the writeback session, it's the easiest and most
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index db337e53aab338aa2c95170ae3e94731616dcd72..5106008f5e28d8608d321e5f66450ce6aae4ea32 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -2911,7 +2911,7 @@ static int submit_extent_page(unsigned int opf, struct extent_io_tree *tree,
bio = NULL;
} else {
if (wbc)
- wbc_account_io(wbc, page, page_size);
+ wbc_account_cgroup_owner(wbc, page, page_size);
return 0;
}
}
@@ -2924,7 +2924,7 @@ static int submit_extent_page(unsigned int opf, struct extent_io_tree *tree,
bio->bi_opf = opf;
if (wbc) {
wbc_init_bio(wbc, bio);
- wbc_account_io(wbc, page, page_size);
+ wbc_account_cgroup_owner(wbc, page, page_size);
}
*bio_ret = bio;
diff --git a/fs/buffer.c b/fs/buffer.c
index e450c55f643424efcc4e992d9012378fcd602421..40547bbbea948f136cdc5b7b89b26e483e4b9d94 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -3093,7 +3093,7 @@ static int submit_bh_wbc(int op, int op_flags, struct buffer_head *bh,
if (wbc) {
wbc_init_bio(wbc, bio);
- wbc_account_io(wbc, bh->b_page, bh->b_size);
+ wbc_account_cgroup_owner(wbc, bh->b_page, bh->b_size);
}
submit_bio(bio);
diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
index 4690618a92e93f133ba3c176b4757a9976805b32..56e287f5ee50ebb8e236c94eb9e078fc4213e388 100644
--- a/fs/ext4/page-io.c
+++ b/fs/ext4/page-io.c
@@ -404,7 +404,7 @@ static int io_submit_add_bh(struct ext4_io_submit *io,
ret = bio_add_page(io->io_bio, page, bh->b_size, bh_offset(bh));
if (ret != bh->b_size)
goto submit_and_retry;
- wbc_account_io(io->io_wbc, page, bh->b_size);
+ wbc_account_cgroup_owner(io->io_wbc, page, bh->b_size);
io->io_next_block++;
return 0;
}
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index eda4181d20926bd59903f9feea6e57f5108612dc..e1cab1717ac77681412fabbe523196295f95058a 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -470,7 +470,7 @@ int f2fs_submit_page_bio(struct f2fs_io_info *fio)
}
if (fio->io_wbc && !is_read_io(fio->op))
- wbc_account_io(fio->io_wbc, page, PAGE_SIZE);
+ wbc_account_cgroup_owner(fio->io_wbc, page, PAGE_SIZE);
bio_set_op_attrs(bio, fio->op, fio->op_flags);
@@ -537,7 +537,7 @@ void f2fs_submit_page_write(struct f2fs_io_info *fio)
}
if (fio->io_wbc)
- wbc_account_io(fio->io_wbc, bio_page, PAGE_SIZE);
+ wbc_account_cgroup_owner(fio->io_wbc, bio_page, PAGE_SIZE);
io->last_block_in_bio = fio->new_blkaddr;
f2fs_trace_ios(fio, 0);
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index a8a40bc26c2fe3b45c8f83e6499382e0b910647e..0aef79e934bbc7ce3171d5ac9f5966d567b6918d 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -706,7 +706,7 @@ void wbc_detach_inode(struct writeback_control *wbc)
EXPORT_SYMBOL_GPL(wbc_detach_inode);
/**
- * wbc_account_io - account IO issued during writeback
+ * wbc_account_cgroup_owner - account writeback to update inode cgroup ownership
* @wbc: writeback_control of the writeback in progress
* @page: page being written out
* @bytes: number of bytes being written out
@@ -715,8 +715,8 @@ EXPORT_SYMBOL_GPL(wbc_detach_inode);
* controlled by @wbc. Keep the book for foreign inode detection. See
* wbc_detach_inode().
*/
-void wbc_account_io(struct writeback_control *wbc, struct page *page,
- size_t bytes)
+void wbc_account_cgroup_owner(struct writeback_control *wbc, struct page *page,
+ size_t bytes)
{
struct cgroup_subsys_state *css;
int id;
@@ -753,7 +753,7 @@ void wbc_account_io(struct writeback_control *wbc, struct page *page,
else
wbc->wb_tcand_bytes -= min(bytes, wbc->wb_tcand_bytes);
}
-EXPORT_SYMBOL_GPL(wbc_account_io);
+EXPORT_SYMBOL_GPL(wbc_account_cgroup_owner);
/**
* inode_congested - test whether an inode is congested
diff --git a/fs/mpage.c b/fs/mpage.c
index 436a85260394d283e17242cb9b501ab7c64f0b1c..a63620cdb73a732d1a9f987c7889923c05830535 100644
--- a/fs/mpage.c
+++ b/fs/mpage.c
@@ -647,7 +647,7 @@ static int __mpage_writepage(struct page *page, struct writeback_control *wbc,
* the confused fail path above (OOM) will be very confused when
* it finds all bh marked clean (i.e. it will not write anything)
*/
- wbc_account_io(wbc, page, PAGE_SIZE);
+ wbc_account_cgroup_owner(wbc, page, PAGE_SIZE);
length = first_unmapped << blkbits;
if (bio_add_page(bio, page, length, 0) < length) {
bio = mpage_bio_submit(REQ_OP_WRITE, op_flags, bio);
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index 738a0c24874f0bfd308fad36057cae71401f71f0..dda5cf2281722e250e0f6123411874c029d21fb5 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -188,8 +188,8 @@ void wbc_attach_and_unlock_inode(struct writeback_control *wbc,
struct inode *inode)
__releases(&inode->i_lock);
void wbc_detach_inode(struct writeback_control *wbc);
-void wbc_account_io(struct writeback_control *wbc, struct page *page,
- size_t bytes);
+void wbc_account_cgroup_owner(struct writeback_control *wbc, struct page *page,
+ size_t bytes);
void cgroup_writeback_umount(void);
/**
@@ -291,8 +291,8 @@ static inline void wbc_init_bio(struct writeback_control *wbc, struct bio *bio)
{
}
-static inline void wbc_account_io(struct writeback_control *wbc,
- struct page *page, size_t bytes)
+static inline void wbc_account_cgroup_owner(struct writeback_control *wbc,
+ struct page *page, size_t bytes)
{
}