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static int submit_bh_wbc(int op, int op_flags, struct buffer_head *bh, - struct writeback_control *wbc); + unsigned int stream, struct writeback_control *wbc); #define BH_ENTRY(list) list_entry((list), struct buffer_head, b_assoc_buffers) @@ -1829,7 +1829,8 @@ 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(REQ_OP_WRITE, write_flags, bh, wbc); + submit_bh_wbc(REQ_OP_WRITE, write_flags, bh, + inode_write_hint(inode), wbc); nr_underway++; } bh = next; @@ -1883,7 +1884,8 @@ int __block_write_full_page(struct inode *inode, struct page *page, struct buffer_head *next = bh->b_this_page; if (buffer_async_write(bh)) { clear_buffer_dirty(bh); - submit_bh_wbc(REQ_OP_WRITE, write_flags, bh, wbc); + submit_bh_wbc(REQ_OP_WRITE, write_flags, bh, + inode_write_hint(inode), wbc); nr_underway++; } bh = next; @@ -3091,7 +3093,7 @@ void guard_bio_eod(int op, struct bio *bio) } static int submit_bh_wbc(int op, int op_flags, struct buffer_head *bh, - struct writeback_control *wbc) + unsigned int write_hint, struct writeback_control *wbc) { struct bio *bio; @@ -3134,6 +3136,8 @@ static int submit_bh_wbc(int op, int op_flags, struct buffer_head *bh, op_flags |= REQ_META; if (buffer_prio(bh)) op_flags |= REQ_PRIO; + + op_flags |= bio_op_write_hint(write_hint); bio_set_op_attrs(bio, op, op_flags); submit_bio(bio); @@ -3142,7 +3146,7 @@ static int submit_bh_wbc(int op, int op_flags, struct buffer_head *bh, int submit_bh(int op, int op_flags, struct buffer_head *bh) { - return submit_bh_wbc(op, op_flags, bh, NULL); + return submit_bh_wbc(op, op_flags, bh, 0, NULL); } EXPORT_SYMBOL(submit_bh); diff --git a/fs/mpage.c b/fs/mpage.c index baff8f820c29..df0635c8a512 100644 --- a/fs/mpage.c +++ b/fs/mpage.c @@ -614,6 +614,7 @@ static int __mpage_writepage(struct page *page, struct writeback_control *wbc, goto confused; wbc_init_bio(wbc, bio); + bio->bi_opf |= bio_op_write_hint(inode_write_hint(inode)); } /*