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authorChristoph Hellwig <hch@lst.de>2018-10-18 08:20:11 +0200
committerDave Chinner <david@fromorbit.com>2018-10-18 08:20:11 +0200
commit4831822ff12e9f2bc084da892045551fdf3d112c (patch)
treeffa6da79edbdbab1bb4b51a2ab4f98d4fd2ce110 /fs/xfs/xfs_super.c
parentxfs: fix fork selection in xfs_find_trim_cow_extent (diff)
downloadlinux-4831822ff12e9f2bc084da892045551fdf3d112c.tar.xz
linux-4831822ff12e9f2bc084da892045551fdf3d112c.zip
xfs: print dangling delalloc extents
Instead of just asserting that we have no delalloc space dangling in an inode that gets freed print the actual offenders for debug mode. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'fs/xfs/xfs_super.c')
-rw-r--r--fs/xfs/xfs_super.c33
1 files changed, 32 insertions, 1 deletions
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 207ee302b1bb..99250bcb65a7 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -933,6 +933,32 @@ xfs_fs_alloc_inode(
return NULL;
}
+#ifdef DEBUG
+static void
+xfs_check_delalloc(
+ struct xfs_inode *ip,
+ int whichfork)
+{
+ struct xfs_ifork *ifp = XFS_IFORK_PTR(ip, whichfork);
+ struct xfs_bmbt_irec got;
+ struct xfs_iext_cursor icur;
+
+ if (!ifp || !xfs_iext_lookup_extent(ip, ifp, 0, &icur, &got))
+ return;
+ do {
+ if (isnullstartblock(got.br_startblock)) {
+ xfs_warn(ip->i_mount,
+ "ino %llx %s fork has delalloc extent at [0x%llx:0x%llx]",
+ ip->i_ino,
+ whichfork == XFS_DATA_FORK ? "data" : "cow",
+ got.br_startoff, got.br_blockcount);
+ }
+ } while (xfs_iext_next_extent(ifp, &icur, &got));
+}
+#else
+#define xfs_check_delalloc(ip, whichfork) do { } while (0)
+#endif
+
/*
* Now that the generic code is guaranteed not to be accessing
* the linux inode, we can inactivate and reclaim the inode.
@@ -951,7 +977,12 @@ xfs_fs_destroy_inode(
xfs_inactive(ip);
- ASSERT(XFS_FORCED_SHUTDOWN(ip->i_mount) || ip->i_delayed_blks == 0);
+ if (!XFS_FORCED_SHUTDOWN(ip->i_mount) && ip->i_delayed_blks) {
+ xfs_check_delalloc(ip, XFS_DATA_FORK);
+ xfs_check_delalloc(ip, XFS_COW_FORK);
+ ASSERT(0);
+ }
+
XFS_STATS_INC(ip->i_mount, vn_reclaim);
/*