| Subject | [PATCH 27/33] vfs: Add some logging to the core users of the fs_context log [ver #11] | From | David Howells <> | Date | Wed, 01 Aug 2018 16:27:08 +0100 |
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Add some logging to the core users of the fs_context log so that information can be extracted from them as to the reason for failure.
Signed-off-by: David Howells <dhowells@redhat.com> ---
fs/super.c | 4 +++- kernel/cgroup/cgroup-v1.c | 2 +- 2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/fs/super.c b/fs/super.c index bbef5a5057c0..3fe5d12b7697 100644 --- a/fs/super.c +++ b/fs/super.c @@ -1735,8 +1735,10 @@ int vfs_get_tree(struct fs_context *fc) struct super_block *sb; int ret; - if (fc->fs_type->fs_flags & FS_REQUIRES_DEV && !fc->source) + if (fc->fs_type->fs_flags & FS_REQUIRES_DEV && !fc->source) { + errorf(fc, "Filesystem requires source device"); return -ENOENT; + } if (fc->root) return -EBUSY; diff --git a/kernel/cgroup/cgroup-v1.c b/kernel/cgroup/cgroup-v1.c index 4238a89ca721..fb721aa20aa0 100644 --- a/kernel/cgroup/cgroup-v1.c +++ b/kernel/cgroup/cgroup-v1.c @@ -17,7 +17,7 @@ #include <trace/events/cgroup.h> -#define cg_invalf(fc, fmt, ...) ({ pr_err(fmt, ## __VA_ARGS__); -EINVAL; }) +#define cg_invalf(fc, fmt, ...) invalf(fc, fmt, ## __VA_ARGS__) /* * pidlists linger the following amount before being destroyed. The goal
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