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-rw-r--r--xlators/performance/read-ahead/src/read-ahead.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/xlators/performance/read-ahead/src/read-ahead.h b/xlators/performance/read-ahead/src/read-ahead.h
index d0bbcde810f..f5e73cb6697 100644
--- a/xlators/performance/read-ahead/src/read-ahead.h
+++ b/xlators/performance/read-ahead/src/read-ahead.h
@@ -76,7 +76,8 @@ struct ra_page {
struct ra_page *next;
struct ra_page *prev;
struct ra_file *file;
- char dirty;
+ char dirty; /* Internal request, not from user. */
+ char poisoned; /* Pending read invalidated by write. */
char ready;
struct iovec *vector;
int32_t count;