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| author | Theodore Ts'o <tytso@mit.edu> | 2015-08-15 20:59:44 +0200 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2015-08-15 20:59:44 +0200 |
| commit | e294a5371b2e0bd22d4a917d4c354a52a7057b6e (patch) | |
| tree | 0d9e2c7183d3ba0432bcf1574a0c3fcdcdfb979c /fs/ext4 | |
| parent | ext4: silence a format string false positive (diff) | |
| download | linux-e294a5371b2e0bd22d4a917d4c354a52a7057b6e.tar.xz linux-e294a5371b2e0bd22d4a917d4c354a52a7057b6e.zip | |
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.c | 9 |
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); |