From: Tejun Heo <tj@kernel.org> To: axboe@kernel.dk Cc: linux-kernel@vger.kernel.org, jack@suse.cz, hch@infradead.org, hannes@cmpxchg.org, linux-fsdevel@vger.kernel.org, vgoyal@redhat.com, lizefan@huawei.com, cgroups@vger.kernel.org, linux-mm@kvack.org, mhocko@suse.cz, clm@fb.com, fengguang.wu@intel.com, david@fromorbit.com, gthelen@google.com, Tejun Heo <tj@kernel.org>, Andrew Morton <akpm@linux-foundation.org>, Alexander Viro <viro@zeniv.linux.org.uk> Subject: [PATCH 47/48] mpage: make __mpage_writepage() honor cgroup writeback Date: Mon, 23 Mar 2015 00:54:58 -0400 [thread overview] Message-ID: <1427086499-15657-48-git-send-email-tj@kernel.org> (raw) In-Reply-To: <1427086499-15657-1-git-send-email-tj@kernel.org> __mpage_writepage() is used to implement mpage_writepages() which in turn is used for ->writepages() of various filesystems. All writeback logic is now updated to handle cgroup writeback and the block cgroup to issue IOs for is encoded in writeback_control and can be retrieved from the inode; however, __mpage_writepage() currently ignores the blkcg indicated by the inode and issues all bio's without explicit blkcg association. This patch updates __mpage_writepage() so that the issued bio's are associated with inode_to_writeback_blkcg_css(inode). v2: Updated for per-inode wb association. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Jens Axboe <axboe@kernel.dk> Cc: Jan Kara <jack@suse.cz> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Alexander Viro <viro@zeniv.linux.org.uk> --- fs/mpage.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/mpage.c b/fs/mpage.c index 3e79220..a3ccb0b 100644 --- a/fs/mpage.c +++ b/fs/mpage.c @@ -605,6 +605,8 @@ alloc_new: bio_get_nr_vecs(bdev), GFP_NOFS|__GFP_HIGH); if (bio == NULL) goto confused; + + bio_associate_blkcg(bio, inode_to_wb_blkcg_css(inode)); } /* -- 2.1.0
WARNING: multiple messages have this Message-ID (diff)
From: Tejun Heo <tj@kernel.org> To: axboe@kernel.dk Cc: linux-kernel@vger.kernel.org, jack@suse.cz, hch@infradead.org, hannes@cmpxchg.org, linux-fsdevel@vger.kernel.org, vgoyal@redhat.com, lizefan@huawei.com, cgroups@vger.kernel.org, linux-mm@kvack.org, mhocko@suse.cz, clm@fb.com, fengguang.wu@intel.com, david@fromorbit.com, gthelen@google.com, Tejun Heo <tj@kernel.org>, Andrew Morton <akpm@linux-foundation.org>, Alexander Viro <viro@zeniv.linux.org.uk> Subject: [PATCH 47/48] mpage: make __mpage_writepage() honor cgroup writeback Date: Mon, 23 Mar 2015 00:54:58 -0400 [thread overview] Message-ID: <1427086499-15657-48-git-send-email-tj@kernel.org> (raw) In-Reply-To: <1427086499-15657-1-git-send-email-tj@kernel.org> __mpage_writepage() is used to implement mpage_writepages() which in turn is used for ->writepages() of various filesystems. All writeback logic is now updated to handle cgroup writeback and the block cgroup to issue IOs for is encoded in writeback_control and can be retrieved from the inode; however, __mpage_writepage() currently ignores the blkcg indicated by the inode and issues all bio's without explicit blkcg association. This patch updates __mpage_writepage() so that the issued bio's are associated with inode_to_writeback_blkcg_css(inode). v2: Updated for per-inode wb association. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Jens Axboe <axboe@kernel.dk> Cc: Jan Kara <jack@suse.cz> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Alexander Viro <viro@zeniv.linux.org.uk> --- fs/mpage.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/mpage.c b/fs/mpage.c index 3e79220..a3ccb0b 100644 --- a/fs/mpage.c +++ b/fs/mpage.c @@ -605,6 +605,8 @@ alloc_new: bio_get_nr_vecs(bdev), GFP_NOFS|__GFP_HIGH); if (bio == NULL) goto confused; + + bio_associate_blkcg(bio, inode_to_wb_blkcg_css(inode)); } /* -- 2.1.0 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2015-03-23 4:58 UTC|newest] Thread overview: 119+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-03-23 4:54 [PATCHSET 1/3 v2 block/for-4.1/core] writeback: cgroup writeback support Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 01/48] memcg: add per cgroup dirty page accounting Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 02/48] blkcg: move block/blk-cgroup.h to include/linux/blk-cgroup.h Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 03/48] update !CONFIG_BLK_CGROUP dummies in include/linux/blk-cgroup.h Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 04/48] memcg: add mem_cgroup_root_css Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 05/48] blkcg: add blkcg_root_css Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 06/48] cgroup, block: implement task_get_css() and use it in bio_associate_current() Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 07/48] blkcg: implement task_get_blkcg_css() Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 08/48] blkcg: implement bio_associate_blkcg() Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 09/48] memcg: implement mem_cgroup_css_from_page() Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 10/48] writeback: move backing_dev_info->state into bdi_writeback Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 11/48] writeback: move backing_dev_info->bdi_stat[] " Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 12/48] writeback: move bandwidth related fields from backing_dev_info " Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 13/48] writeback: s/bdi/wb/ in mm/page-writeback.c Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 14/48] writeback: move backing_dev_info->wb_lock and ->worklist into bdi_writeback Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 15/48] writeback: reorganize mm/backing-dev.c Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 16/48] writeback: separate out include/linux/backing-dev-defs.h Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 17/48] bdi: make inode_to_bdi() inline Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 18/48] writeback: add @gfp to wb_init() Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 19/48] bdi: separate out congested state into a separate struct Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 20/48] writeback: add {CONFIG|BDI_CAP|FS}_CGROUP_WRITEBACK Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 21/48] writeback: make backing_dev_info host cgroup-specific bdi_writebacks Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-27 21:06 ` Vivek Goyal 2015-03-27 21:06 ` Vivek Goyal 2015-03-27 21:41 ` Tejun Heo 2015-03-27 21:41 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 22/48] writeback, blkcg: associate each blkcg_gq with the corresponding bdi_writeback_congested Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 23/48] writeback: attribute stats to the matching per-cgroup bdi_writeback Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 24/48] writeback: let balance_dirty_pages() work on the matching cgroup bdi_writeback Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 25/48] writeback: make congestion functions per bdi_writeback Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 26/48] writeback, blkcg: restructure blk_{set|clear}_queue_congested() Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 27/48] writeback, blkcg: propagate non-root blkcg congestion state Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 28/48] writeback: implement and use mapping_congested() Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-27 18:06 ` Vivek Goyal 2015-03-27 18:06 ` Vivek Goyal 2015-03-27 18:06 ` Vivek Goyal 2015-03-27 21:46 ` Tejun Heo 2015-03-27 21:46 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 29/48] writeback: implement WB_has_dirty_io wb_state flag Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 30/48] writeback: implement backing_dev_info->tot_write_bandwidth Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 31/48] writeback: make bdi_has_dirty_io() take multiple bdi_writeback's into account Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 32/48] writeback: don't issue wb_writeback_work if clean Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 33/48] writeback: make bdi->min/max_ratio handling cgroup writeback aware Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 34/48] writeback: implement bdi_for_each_wb() Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 35/48] writeback: remove bdi_start_writeback() Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 36/48] writeback: make laptop_mode_timer_fn() handle multiple bdi_writeback's Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 37/48] writeback: make writeback_in_progress() take bdi_writeback instead of backing_dev_info Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 38/48] writeback: make bdi_start_background_writeback() " Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 39/48] writeback: make wakeup_flusher_threads() handle multiple bdi_writeback's Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 40/48] writeback: add wb_writeback_work->auto_free Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 41/48] writeback: implement bdi_wait_for_completion() Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 42/48] writeback: implement wb_wait_for_single_work() Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 43/48] writeback: restructure try_writeback_inodes_sb[_nr]() Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 44/48] writeback: make writeback initiation functions handle multiple bdi_writeback's Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 45/48] writeback: dirty inodes against their matching cgroup bdi_writeback's Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` [PATCH 46/48] buffer, writeback: make __block_write_full_page() honor cgroup writeback Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-23 4:54 ` Tejun Heo [this message] 2015-03-23 4:54 ` [PATCH 47/48] mpage: make __mpage_writepage() " Tejun Heo 2015-03-23 4:54 ` [PATCH 48/48] ext2: enable cgroup writeback support Tejun Heo 2015-03-23 4:54 ` Tejun Heo 2015-03-25 15:40 ` [PATCHSET 1/3 v2 block/for-4.1/core] writeback: " Vivek Goyal 2015-03-25 15:40 ` Vivek Goyal 2015-03-25 15:40 ` Vivek Goyal 2015-03-25 16:01 ` Tejun Heo 2015-03-25 16:01 ` Tejun Heo 2015-03-25 16:01 ` Tejun Heo 2015-03-31 15:26 ` Tejun Heo 2015-03-31 15:26 ` Tejun Heo
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