openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

xfs: implement cgroup aware writeback 

Link every newly allocated writeback bio to cgroup pointed to by the
writeback control structure, and charge every byte written back to it.

Tested-by: Stefan Priebe - Profihost AG <s.priebe@profihost.ag>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Christoph Hellwig 2019-06-28 19:30:22 -07:00 committed by Darrick J. Wong
parent a247373596
commit adfb5fb46a
2 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
fs/xfs/xfs_aops.c
View File

@ -700,6 +700,7 @@ xfs_alloc_ioend(
bio->bi_iter.bi_sector = sector;
bio->bi_opf = REQ_OP_WRITE | wbc_to_write_flags(wbc);
bio->bi_write_hint = inode->i_write_hint;
wbc_init_bio(wbc, bio);
ioend = container_of(bio, struct xfs_ioend, io_inline_bio);
INIT_LIST_HEAD(&ioend->io_list);
@ -727,7 +728,7 @@ xfs_chain_bio(
struct bio *new;
new = bio_alloc(GFP_NOFS, BIO_MAX_PAGES);
bio_copy_dev(new, prev);
bio_copy_dev(new, prev);/* also copies over blkcg information */
new->bi_iter.bi_sector = bio_end_sector(prev);
new->bi_opf = prev->bi_opf;
new->bi_write_hint = prev->bi_write_hint;
@ -782,6 +783,7 @@ xfs_add_to_ioend(
}
wpc->ioend->io_size += len;
wbc_account_io(wbc, page, len);
}
STATIC void

2
fs/xfs/xfs_super.c
View File

@ -1676,6 +1676,8 @@ xfs_fs_fill_super(
sb->s_maxbytes = xfs_max_file_offset(sb->s_blocksize_bits);
sb->s_max_links = XFS_MAXLINK;
sb->s_time_gran = 1;
sb->s_iflags |= SB_I_CGROUPWB;
set_posix_acl_flag(sb);
/* version 5 superblocks support inode version counters. */