[PATCH 18/18] xfs: fix quota accounting in the old fork swap code
From: Darrick J. Wong <hidden>
Date: 2020-04-29 02:46:17
Also in:
linux-fsdevel, linux-xfs
Subsystem:
filesystems (vfs and infrastructure), the rest, xfs filesystem · Maintainers:
Alexander Viro, Christian Brauner, Linus Torvalds, Carlos Maiolino
From: Darrick J. Wong <redacted> The old fork swapping code doesn't change quota counts when it swaps data forks. Fix it to do that. Signed-off-by: Darrick J. Wong <redacted> --- fs/xfs/xfs_bmap_util.c | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c
index df373107e782..de6d1747a3fa 100644
--- a/fs/xfs/xfs_bmap_util.c
+++ b/fs/xfs/xfs_bmap_util.c@@ -1386,6 +1386,7 @@ xfs_swap_extent_forks( xfs_filblks_t aforkblks = 0; xfs_filblks_t taforkblks = 0; xfs_extnum_t junk; + int64_t temp_blks; uint64_t tmp; unsigned int state; int src_log_flags = XFS_ILOG_CORE;
@@ -1432,6 +1433,15 @@ xfs_swap_extent_forks( */ swap(ip->i_df, tip->i_df); + /* Update quota accounting. */ + temp_blks = tip->i_d.di_nblocks - taforkblks + aforkblks; + xfs_trans_mod_dquot_byino(*tpp, ip, XFS_TRANS_DQ_BCOUNT, + temp_blks - ip->i_d.di_nblocks); + + temp_blks = ip->i_d.di_nblocks + taforkblks - aforkblks; + xfs_trans_mod_dquot_byino(*tpp, tip, XFS_TRANS_DQ_BCOUNT, + temp_blks - tip->i_d.di_nblocks); + /* * Fix the on-disk inode values */