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ext4: MMP: fix error message rate-limiting logic in kmmpd 

Current logic would print an error message only once, and then
'failed_writes' would stay at 1.  Rework the loop to increment
'failed_writes' and print the error message every
s_mmp_update_interval * 60 seconds, as intended according to the
comment.

Signed-off-by: Nikitas Angelinas <nikitas_angelinas@xyratex.com>
Signed-off-by: Andrew Perepechko <andrew_perepechko@xyratex.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Acked-by: Andreas Dilger <adilger@dilger.ca>
This commit is contained in:
Nikitas Angelinas 2011-10-18 10:51:51 -04:00 committed by Theodore Ts'o
parent 215fc6af73
commit bdfc230f33
1 changed files with 3 additions and 2 deletions
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5
fs/ext4/mmp.c
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@ -125,8 +125,9 @@ static int kmmpd(void *data)
* Don't spew too many error messages. Print one every * Don't spew too many error messages. Print one every
* (s_mmp_update_interval * 60) seconds. * (s_mmp_update_interval * 60) seconds.
*/ */
if (retval && (failed_writes % 60) == 0) { if (retval) {
ext4_error(sb, "Error writing to MMP block"); if ((failed_writes % 60) == 0)
ext4_error(sb, "Error writing to MMP block");
failed_writes++; failed_writes++;
} }