The patch titled
jbd: jbd-debug and jbd2-debug should be writable
has been added to the -mm tree. Its filename is
jbd-jbd-debug-and-jbd2-debug-should-be-writable.patch
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------------------------------------------------------
Subject: jbd: jbd-debug and jbd2-debug should be writable
From: Yin Kangkai <kangkai.yin@xxxxxxxxx>
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@xxxxxxxxx>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxxxxxxx>
Cc: Jan Kara <jack@xxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/jbd/journal.c | 2 +-
fs/jbd2/journal.c | 3 ++-
2 files changed, 3 insertions(+), 2 deletions(-)
diff -puN fs/jbd/journal.c~jbd-jbd-debug-and-jbd2-debug-should-be-writable fs/jbd/journal.c
--- a/fs/jbd/journal.c~jbd-jbd-debug-and-jbd2-debug-should-be-writable
+++ a/fs/jbd/journal.c
@@ -1913,7 +1913,7 @@ static void __init jbd_create_debugfs_en
{
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 -puN fs/jbd2/journal.c~jbd-jbd-debug-and-jbd2-debug-should-be-writable fs/jbd2/journal.c
--- a/fs/jbd2/journal.c~jbd-jbd-debug-and-jbd2-debug-should-be-writable
+++ a/fs/jbd2/journal.c
@@ -2110,7 +2110,8 @@ static void __init jbd2_create_debugfs_e
{
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);
}
_
Patches currently in -mm which might be from kangkai.yin@xxxxxxxxx are
jbd-jbd-debug-and-jbd2-debug-should-be-writable.patch
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