[08/11] Add stream ID support for buffered mpage/__block_write_full_page()
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Message ID 1457107853-8689-9-git-send-email-axboe@fb.com
State New
Headers show

Commit Message

Jens Axboe March 4, 2016, 4:10 p.m. UTC
Pass on the inode stream ID to the bio allocation.

Signed-off-by: Jens Axboe <axboe@fb.com>
---
 fs/buffer.c | 8 ++++++--
 fs/mpage.c  | 1 +
 2 files changed, 7 insertions(+), 2 deletions(-)

Patch
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diff --git a/fs/buffer.c b/fs/buffer.c
index e1632abb4ca9..b7b5cbae7482 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -1788,7 +1788,9 @@  static int __block_write_full_page(struct inode *inode, struct page *page,
 	do {
 		struct buffer_head *next = bh->b_this_page;
 		if (buffer_async_write(bh)) {
-			submit_bh_wbc(write_op, bh, 0, wbc);
+			submit_bh_wbc(write_op, bh,
+				      streamid_to_flags(inode_streamid(inode)),
+				      wbc);
 			nr_underway++;
 		}
 		bh = next;
@@ -1842,7 +1844,9 @@  recover:
 		struct buffer_head *next = bh->b_this_page;
 		if (buffer_async_write(bh)) {
 			clear_buffer_dirty(bh);
-			submit_bh_wbc(write_op, bh, 0, wbc);
+			submit_bh_wbc(write_op, bh,
+				      streamid_to_flags(inode_streamid(inode)),
+				      wbc);
 			nr_underway++;
 		}
 		bh = next;
diff --git a/fs/mpage.c b/fs/mpage.c
index 1480d3a18037..8b093ab150df 100644
--- a/fs/mpage.c
+++ b/fs/mpage.c
@@ -281,6 +281,7 @@  alloc_new:
 				min_t(int, nr_pages, BIO_MAX_PAGES), gfp);
 		if (bio == NULL)
 			goto confused;
+		bio_set_streamid(bio, inode_streamid(inode));
 	}
 
 	length = first_hole << blkbits;