diff --git a/drivers/staging/lustre/lustre/llite/xattr_cache.c b/drivers/staging/lustre/lustre/llite/xattr_cache.c index da190f92d140..69ea92adf4f1 100644 --- a/drivers/staging/lustre/lustre/llite/xattr_cache.c +++ b/drivers/staging/lustre/lustre/llite/xattr_cache.c @@ -295,13 +295,18 @@ static int ll_xattr_find_get_lock(struct inode *inode, mutex_lock(&lli->lli_xattrs_enq_lock); - /* Try matching first. */ - mode = ll_take_md_lock(inode, MDS_INODELOCK_XATTR, &lockh, 0, LCK_PR); - if (mode != 0) { - /* fake oit in mdc_revalidate_lock() manner */ - oit->d.lustre.it_lock_handle = lockh.cookie; - oit->d.lustre.it_lock_mode = mode; - goto out; + /* inode may have been shrunk and recreated, so data is gone, match lock + * only when data exists. */ + if (ll_xattr_cache_valid(lli)) { + /* Try matching first. */ + mode = ll_take_md_lock(inode, MDS_INODELOCK_XATTR, &lockh, 0, + LCK_PR); + if (mode != 0) { + /* fake oit in mdc_revalidate_lock() manner */ + oit->d.lustre.it_lock_handle = lockh.cookie; + oit->d.lustre.it_lock_mode = mode; + goto out; + } } /* Enqueue if the lock isn't cached locally. */