projects / packages / kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 5da6072d AM |
1 | From: Shaohua Li <shli@fb.com> |
| 2 | ||
| 3 | Basically this is a copy of commit 001e4a8775f6(ext4: implement cgroup | |
| 4 | writeback support). Tested with a fio test, verified writeback is | |
| 5 | throttled against cgroup io.max write bandwidth, also verified moving | |
| 6 | the fio test to another cgroup and the writeback is throttled against | |
| 7 | new cgroup setting. | |
| 8 | ||
| 9 | Cc: Tejun Heo <tj@kernel.org> | |
| 10 | Signed-off-by: Shaohua Li <shli@fb.com> | |
| 11 | --- | |
| 12 | fs/xfs/xfs_aops.c | 2 ++ | |
| 13 | fs/xfs/xfs_super.c | 1 + | |
| 14 | 2 files changed, 3 insertions(+) | |
| 15 | ||
| 679d237f AM |
16 | --- linux-4.19/fs/xfs/xfs_aops.c.org 2018-11-21 10:31:12.348955352 +0100 |
| 17 | +++ linux-4.19/fs/xfs/xfs_aops.c 2018-11-21 10:34:35.241764742 +0100 | |
| 5da6072d AM |
18 | @@ -613,8 +613,10 @@ xfs_add_to_ioend( |
| 19 | list_add(&wpc->ioend->io_list, iolist); | |
| 20 | wpc->ioend = xfs_alloc_ioend(inode, wpc->io_type, offset, | |
| 21 | bdev, sector); | |
| 22 | + wbc_init_bio(wbc, wpc->ioend->io_bio); | |
| 23 | } | |
| 24 | ||
| 679d237f | 25 | + wbc_account_io(wbc, page, len); |
| 5da6072d AM |
26 | if (!__bio_try_merge_page(wpc->ioend->io_bio, page, len, poff)) { |
| 27 | if (iop) | |
| 28 | atomic_inc(&iop->write_count); | |
| 29 | diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c | |
| 30 | index 584cf2d..aea3bc2 100644 | |
| 31 | --- a/fs/xfs/xfs_super.c | |
| 32 | +++ b/fs/xfs/xfs_super.c | |
| 33 | @@ -1634,6 +1634,7 @@ xfs_fs_fill_super( | |
| 34 | sb->s_max_links = XFS_MAXLINK; | |
| 35 | sb->s_time_gran = 1; | |
| 36 | set_posix_acl_flag(sb); | |
| 37 | + sb->s_iflags |= SB_I_CGROUPWB; | |
| 38 | ||
| 39 | /* version 5 superblocks support inode version counters. */ | |
| 40 | if (XFS_SB_VERSION_NUM(&mp->m_sb) == XFS_SB_VERSION_5) |