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authorEric W. Biederman <ebiederm@xmission.com>2015-05-24 09:25:00 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-10-01 12:07:38 +0200
commite6478de4fad8e6d7cad3ca3440ee4da599fb0b2f (patch)
treea5893339b67f20316c8c7a6695c62f4e16490b10
parentd0550a3f2d313a5310ace03299d45ef63edfb750 (diff)
vfs: Remove incorrect debugging WARN in prepend_path
commit 93e3bce6287e1fb3e60d3324ed08555b5bbafa89 upstream. The warning message in prepend_path is unclear and outdated. It was added as a warning that the mechanism for generating names of pseudo files had been removed from prepend_path and d_dname should be used instead. Unfortunately the warning reads like a general warning, making it unclear what to do with it. Remove the warning. The transition it was added to warn about is long over, and I added code several years ago which in rare cases causes the warning to fire on legitimate code, and the warning is now firing and scaring people for no good reason. Reported-by: Ivan Delalande <colona@arista.com> Reported-by: Omar Sandoval <osandov@osandov.com> Fixes: f48cfddc6729e ("vfs: In d_path don't call d_dname on a mount point") Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> [ vlee: Backported to 3.10. Adjusted context. ] Signed-off-by: Vinson Lee <vlee@twitter.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--fs/dcache.c9
1 files changed, 0 insertions, 9 deletions
diff --git a/fs/dcache.c b/fs/dcache.c
index 90be2809e15a..f1e801785976 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -2569,15 +2569,6 @@ static int prepend_path(const struct path *path,
return error;
global_root:
- /*
- * Filesystems needing to implement special "root names"
- * should do so with ->d_dname()
- */
- if (IS_ROOT(dentry) &&
- (dentry->d_name.len != 1 || dentry->d_name.name[0] != '/')) {
- WARN(1, "Root dentry has weird name <%.*s>\n",
- (int) dentry->d_name.len, dentry->d_name.name);
- }
if (!slash)
error = prepend(buffer, buflen, "/", 1);
if (!error)