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authorYang Sheng <yang.sheng@intel.com>2015-02-01 21:52:16 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-02-07 17:32:34 +0800
commit437dfb201a55ff73954ae7455ef3d17be4b1c0f6 (patch)
treeb47954de999a48af4ebee2693603f829140b9fe1 /drivers/staging
parent7dd1107ad37a89e849f4fcbdb34fce775ce56db1 (diff)
staging/lustre/llite: Add exception entry check after radix_tree
We need to check for an exception entry after radix_tree lookup. Signed-off-by: Yang Sheng <yang.sheng@intel.com> Signed-off-by: Oleg Drokin <oleg.drokin@intel.com> Reviewed-on: http://review.whamcloud.com/10709 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5162 Reviewed-by: Bob Glossman <bob.glossman@intel.com> Reviewed-by: James Simmons <uja.ornl@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging')
-rw-r--r--drivers/staging/lustre/lustre/llite/dir.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/staging/lustre/lustre/llite/dir.c b/drivers/staging/lustre/lustre/llite/dir.c
index babba60a88bf..69a4a63e1d8f 100644
--- a/drivers/staging/lustre/lustre/llite/dir.c
+++ b/drivers/staging/lustre/lustre/llite/dir.c
@@ -278,7 +278,7 @@ static struct page *ll_dir_page_locate(struct inode *dir, __u64 *hash,
spin_lock_irq(&mapping->tree_lock);
found = radix_tree_gang_lookup(&mapping->page_tree,
(void **)&page, offset, 1);
- if (found > 0) {
+ if (found > 0 && !radix_tree_exceptional_entry(page)) {
struct lu_dirpage *dp;
page_cache_get(page);