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Date: Sun, 12 Oct 2014 23:09:08 -0400 From: Valdis Kletnieks <Valdis.Kletnieks@...edu> To: Anton Vorontsov <anton@...msg.org>, Colin Cross <ccross@...roid.com>, Kees Cook <keescook@...omium.org>, Tony Luck <tony.luck@...el.com> cc: linux-kernel@...r.kernel.org Subject: [PATCH[ fix duplicate console-efi entries in pstore The pstore filesystem still creates duplicate filename/inode pairs for some pstore types. Add the id to the filename to prevent that. Before patch: [/sys/fs/pstore] ls -li total 0 1250 -r--r--r--. 1 root root 67 Sep 29 17:09 console-efi 1250 -r--r--r--. 1 root root 67 Sep 29 17:09 console-efi 1250 -r--r--r--. 1 root root 67 Sep 29 17:09 console-efi 1250 -r--r--r--. 1 root root 67 Sep 29 17:09 console-efi 1250 -r--r--r--. 1 root root 67 Sep 29 17:09 console-efi 1250 -r--r--r--. 1 root root 67 Sep 29 17:09 console-efi 1250 -r--r--r--. 1 root root 67 Sep 29 17:09 console-efi 1250 -r--r--r--. 1 root root 67 Sep 29 17:09 console-efi 1250 -r--r--r--. 1 root root 67 Sep 29 17:09 console-efi After: [/sys/fs/pstore] ls -li total 0 1232 -r--r--r--. 1 root root 148 Sep 29 17:09 console-efi-141202499100000 1231 -r--r--r--. 1 root root 67 Sep 29 17:09 console-efi-141202499200000 1230 -r--r--r--. 1 root root 148 Sep 29 17:44 console-efi-141202705400000 1229 -r--r--r--. 1 root root 67 Sep 29 17:44 console-efi-141202705500000 1228 -r--r--r--. 1 root root 67 Sep 29 20:42 console-efi-141203772600000 1227 -r--r--r--. 1 root root 148 Sep 29 23:42 console-efi-141204854900000 1226 -r--r--r--. 1 root root 67 Sep 29 23:42 console-efi-141204855000000 1225 -r--r--r--. 1 root root 148 Sep 29 23:59 console-efi-141204954200000 1224 -r--r--r--. 1 root root 67 Sep 29 23:59 console-efi-141204954400000 Signed-off-by: Valdis Kletnieks <valdis.kletnieks@...edu> --- linux-next/fs/pstore/inode.c.orig 2014-10-03 23:58:00.440386528 -0400 +++ linux-next/fs/pstore/inode.c 2014-10-09 17:50:50.613829841 -0400 @@ -320,10 +320,10 @@ int pstore_mkfile(enum pstore_type_id ty compressed ? ".enc.z" : ""); break; case PSTORE_TYPE_CONSOLE: - sprintf(name, "console-%s", psname); + sprintf(name, "console-%s-%lld", psname, id); break; case PSTORE_TYPE_FTRACE: - sprintf(name, "ftrace-%s", psname); + sprintf(name, "ftrace-%s-%lld", psname, id); break; case PSTORE_TYPE_MCE: sprintf(name, "mce-%s-%lld", psname, id); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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