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authorTheodore Ts'o <tytso@mit.edu>2015-08-15 14:59:44 -0400
committerTheodore Ts'o <tytso@mit.edu>2015-08-15 14:59:44 -0400
commite294a5371b2e0bd22d4a917d4c354a52a7057b6e (patch)
tree0d9e2c7183d3ba0432bcf1574a0c3fcdcdfb979c /fs/ext4
parentda0b5e40ab10f44019a1ecec09fadfcd5bdb76b6 (diff)
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ext4: ratelimit the file system mounted message
The xfstests ext4/305 will mount and unmount the same file system over 4,000 times, and each one of these will cause a system log message. Ratelimit this message since if we are getting more than a few dozen of these messages, they probably aren't going to be helpful. Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4')
-rw-r--r--fs/ext4/super.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 70c52ea0a27c..45658c1bc324 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -60,6 +60,7 @@ static struct ext4_lazy_init *ext4_li_info;
static struct mutex ext4_li_mtx;
static struct ext4_features *ext4_feat;
static int ext4_mballoc_ready;
+static struct ratelimit_state ext4_mount_msg_ratelimit;
static int ext4_load_journal(struct super_block *, struct ext4_super_block *,
unsigned long journal_devnum);
@@ -4277,9 +4278,10 @@ no_journal:
"the device does not support discard");
}
- ext4_msg(sb, KERN_INFO, "mounted filesystem with%s. "
- "Opts: %s%s%s", descr, sbi->s_es->s_mount_opts,
- *sbi->s_es->s_mount_opts ? "; " : "", orig_data);
+ if (___ratelimit(&ext4_mount_msg_ratelimit, "EXT4-fs mount"))
+ ext4_msg(sb, KERN_INFO, "mounted filesystem with%s. "
+ "Opts: %s%s%s", descr, sbi->s_es->s_mount_opts,
+ *sbi->s_es->s_mount_opts ? "; " : "", orig_data);
if (es->s_error_count)
mod_timer(&sbi->s_err_report, jiffies + 300*HZ); /* 5 minutes */
@@ -5617,6 +5619,7 @@ static int __init ext4_init_fs(void)
{
int i, err;
+ ratelimit_state_init(&ext4_mount_msg_ratelimit, 30 * HZ, 64);
ext4_li_info = NULL;
mutex_init(&ext4_li_mtx);