jbd: jbd-debug and jbd2-debug should be writable

commit 765f8361902d015c864d5e62019b2f139452d7ef upstream.

jbd-debug and jbd2-debug is currently read-only (S_IRUGO), which is not
correct. Make it writable so that we can start debuging.

Signed-off-by: Yin Kangkai <kangkai.yin@intel.com>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jan Kara <jack@suse.cz>
Cc: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c
index 4160afad6d00fc4b8812ac497d2a3bcac28efc60..bd224eec9b072d5ebe0a075c57e203b9fde61c1d 100644 (file)
--- a/fs/jbd/journal.c
+++ b/fs/jbd/journal.c
@@ -1913,7 +1913,7 @@ static void __init jbd_create_debugfs_entry(void)
 {
        jbd_debugfs_dir = debugfs_create_dir("jbd", NULL);
        if (jbd_debugfs_dir)
-               jbd_debug = debugfs_create_u8("jbd-debug", S_IRUGO,
+               jbd_debug = debugfs_create_u8("jbd-debug", S_IRUGO | S_IWUSR,
                                               jbd_debugfs_dir,
                                               &journal_enable_debug);
 }

diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index b7ca3a92a4dba0b23f555a75cac79fea1b6ae9e4..17af879e6e9ec157528f3bcab4ad7c01436abc68 100644 (file)
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -2115,7 +2115,8 @@ static void __init jbd2_create_debugfs_entry(void)
 {
        jbd2_debugfs_dir = debugfs_create_dir("jbd2", NULL);
        if (jbd2_debugfs_dir)
-               jbd2_debug = debugfs_create_u8(JBD2_DEBUG_NAME, S_IRUGO,
+               jbd2_debug = debugfs_create_u8(JBD2_DEBUG_NAME,
+                                              S_IRUGO | S_IWUSR,
                                               jbd2_debugfs_dir,
                                               &jbd2_journal_enable_debug);
 }