LU-694 ptlrpc: Job Stats

[fs/lustre-release.git] / lustre / llite / lproc_llite.c

diff --git a/lustre/llite/lproc_llite.c b/lustre/llite/lproc_llite.c
index b3a7fe1..f6a5fb8 100644 (file)
--- a/lustre/llite/lproc_llite.c
+++ b/lustre/llite/lproc_llite.c
@@ -650,6 +650,24 @@ static int ll_rd_maxea_size(char *page, char **start, off_t off,
         return snprintf(page, count, "%u\n", ealen);
 }
 
+static int ll_rd_jobidvar(char *page, char **start, off_t off,
+                         int count, int *eof, void *data)
+{
+       return snprintf(page, count, "%s\n", obd_jobid_var);
+}
+
+static int ll_wr_jobidvar(struct file *file, const char *buffer,
+                         unsigned long count, void *data)
+{
+       if (!count || count > JOBSTATS_JOBID_VAR_MAX_LEN)
+               return -EINVAL;
+
+       memset(obd_jobid_var, 0, JOBSTATS_JOBID_VAR_MAX_LEN + 1);
+       /* Trim the trailing '\n' if any */
+       memcpy(obd_jobid_var, buffer, count - (buffer[count - 1] == '\n'));
+       return count;
+}
+
 static struct lprocfs_vars lprocfs_llite_obd_vars[] = {
         { "uuid",         ll_rd_sb_uuid,          0, 0 },
         //{ "mntpt_path",   ll_rd_path,             0, 0 },
@@ -680,6 +698,7 @@ static struct lprocfs_vars lprocfs_llite_obd_vars[] = {
         { "statahead_stats",  ll_rd_statahead_stats, 0, 0 },
         { "lazystatfs",       ll_rd_lazystatfs, ll_wr_lazystatfs, 0 },
         { "max_easize",       ll_rd_maxea_size, 0, 0 },
+       { "jobid_var",  ll_rd_jobidvar, ll_wr_jobidvar, 0 },
         { 0 }
 };