From: tianzy <tianzy>
Date: Fri, 21 Aug 2009 06:54:18 +0000 (+0000)
Subject: Branch HEAD
X-Git-Tag: v1_9_250~18
X-Git-Url: https://git.whamcloud.com/?a=commitdiff_plain;h=7cf2e3c0ed2f29cdefc0543c619788d01423de58;p=fs%2Flustre-release.git

Branch HEAD
fix a bug which is triggered when mdt.quota_type or ost.quota_type is set
and there is not any quota set before.
b=19442
i=johann
i=panda
---

diff --git a/lustre/lvfs/lustre_quota_fmt.c b/lustre/lvfs/lustre_quota_fmt.c
index e782624..0488c2c 100644
--- a/lustre/lvfs/lustre_quota_fmt.c
+++ b/lustre/lvfs/lustre_quota_fmt.c
@@ -97,6 +97,12 @@ int check_quota_file(struct file *f, struct inode *inode, int type,
         static const uint quota_magics[] = LUSTRE_INITQMAGICS;
         const uint *quota_versions = lustre_initqversions[version];
 
+        if (!inode && !f) {
+                CERROR("check_quota_file failed!\n");
+                libcfs_debug_dumpstack(NULL);
+                return -EINVAL;
+        }
+
         if (f) {
                 fs = get_fs();
                 set_fs(KERNEL_DS);
diff --git a/lustre/quota/quota_context.c b/lustre/quota/quota_context.c
index 29e2f3a..440ddf8 100644
--- a/lustre/quota/quota_context.c
+++ b/lustre/quota/quota_context.c
@@ -1496,6 +1496,9 @@ void build_lqs(struct obd_device *obd)
         for (i = 0; i < MAXQUOTAS; i++) {
                 struct dquot_id *dqid, *tmp;
 
+                if (sb_dqopt(qctxt->lqc_sb)->files[i] == NULL)
+                        continue;
+
 #ifndef KERNEL_SUPPORTS_QUOTA_READ
                 rc = fsfilt_qids(obd, sb_dqopt(qctxt->lqc_sb)->files[i], NULL,
                                  i, &id_list);