diff options
Diffstat (limited to 'fs/ext4/super.c')
| -rw-r--r-- | fs/ext4/super.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 4550b83ab1c..3c1397fa83d 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -2698,8 +2698,11 @@ static int ext4_release_dquot(struct dquot *dquot) handle = ext4_journal_start(dquot_to_inode(dquot), EXT4_QUOTA_DEL_BLOCKS(dquot->dq_sb)); - if (IS_ERR(handle)) + if (IS_ERR(handle)) { + /* Release dquot anyway to avoid endless cycle in dqput() */ + dquot_release(dquot); return PTR_ERR(handle); + } ret = dquot_release(dquot); err = ext4_journal_stop(handle); if (!ret) @@ -2832,6 +2835,12 @@ static ssize_t ext4_quota_write(struct super_block *sb, int type, struct buffer_head *bh; handle_t *handle = journal_current_handle(); + if (!handle) { + printk(KERN_WARNING "EXT4-fs: Quota write (off=%Lu, len=%Lu)" + " cancelled because transaction is not started.\n", + (unsigned long long)off, (unsigned long long)len); + return -EIO; + } mutex_lock_nested(&inode->i_mutex, I_MUTEX_QUOTA); while (towrite > 0) { tocopy = sb->s_blocksize - offset < towrite ? |