Messages in this thread Patch in this message | | | From | green@linuxhac ... | Subject | [PATCH 17/20] staging/lustre/llite: Add exception entry check after radix_tree | Date | Sun, 1 Feb 2015 21:52:16 -0500 |
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From: Yang Sheng <yang.sheng@intel.com>
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> --- drivers/staging/lustre/lustre/llite/dir.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/lustre/lustre/llite/dir.c b/drivers/staging/lustre/lustre/llite/dir.c index babba60..69a4a63 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); -- 2.1.0
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