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Subject[PATCH 24/32] vfs: Add some logging to the core users of the fs_context log [ver #8]
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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 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/super.c b/fs/super.c
index 06a665628939..447476d4371c 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -1743,8 +1743,10 @@ 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;
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