* [PATCH] ext4: suppress verbose debugging information if malloc-debug is off
@ 2011-02-27 22:24 Theodore Ts'o
0 siblings, 0 replies; only message in thread
From: Theodore Ts'o @ 2011-02-27 22:24 UTC (permalink / raw)
To: Ext4 Developers List; +Cc: Theodore Ts'o
If CONFIG_EXT4_DEBUG is enabled, then if a block allocation fails due
to disk being full, a verbose debugging message is printed, even if
the malloc-debug switch has not been enabled. Suppress the debugging
message so that nothing is printed unless malloc-debug has been turned
on.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---
fs/ext4/mballoc.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 66bee72..2f6f0dd 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -3912,7 +3912,8 @@ static void ext4_mb_show_ac(struct ext4_allocation_context *ac)
struct super_block *sb = ac->ac_sb;
ext4_group_t ngroups, i;
- if (EXT4_SB(sb)->s_mount_flags & EXT4_MF_FS_ABORTED)
+ if (!mb_enable_debug ||
+ (EXT4_SB(sb)->s_mount_flags & EXT4_MF_FS_ABORTED))
return;
printk(KERN_ERR "EXT4-fs: Can't allocate:"
--
1.7.3.1
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