From: Shaohua Li <shli@xxxxxx> Basically this is a copy of commit 001e4a8775f6(ext4: implement cgroup writeback support). Tested with a fio test, verified writeback is throttled against cgroup io.max write bandwidth, also verified moving the fio test to another cgroup and the writeback is throttled against new cgroup setting. Cc: Tejun Heo <tj@xxxxxxxxxx> Signed-off-by: Shaohua Li <shli@xxxxxx> --- fs/xfs/xfs_aops.c | 2 ++ fs/xfs/xfs_super.c | 1 + 2 files changed, 3 insertions(+) diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index f18e593..6535054 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -630,8 +630,10 @@ xfs_add_to_ioend( if (wpc->ioend) list_add(&wpc->ioend->io_list, iolist); wpc->ioend = xfs_alloc_ioend(inode, wpc->io_type, offset, bh); + wbc_init_bio(wbc, wpc->ioend->io_bio); } + wbc_account_io(wbc, bh->b_page, bh->b_size); /* * If the buffer doesn't fit into the bio we need to allocate a new * one. This shouldn't happen more than once for a given buffer. diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index 584cf2d..aea3bc2 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -1634,6 +1634,7 @@ xfs_fs_fill_super( sb->s_max_links = XFS_MAXLINK; sb->s_time_gran = 1; set_posix_acl_flag(sb); + sb->s_iflags |= SB_I_CGROUPWB; /* version 5 superblocks support inode version counters. */ if (XFS_SB_VERSION_NUM(&mp->m_sb) == XFS_SB_VERSION_5) -- 2.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
