LU-12043 llite,readahead: don't always use max RPC size

[fs/lustre-release.git] / lustre / llite / llite_internal.h

diff --git a/lustre/llite/llite_internal.h b/lustre/llite/llite_internal.h
index 1e86edd..7a121fc 100644 (file)
--- a/lustre/llite/llite_internal.h
+++ b/lustre/llite/llite_internal.h
@@ -349,6 +349,9 @@ static inline struct pcc_inode *ll_i2pcci(struct inode *inode)
        return ll_i2info(inode)->lli_pcc_inode;
 }
 
+/* default to use at least 16M for fast read if possible */
+#define RA_REMAIN_WINDOW_MIN                   MiB_TO_PAGES(16UL)
+
 /* default to about 64M of readahead on a given system. */
 #define SBI_DEFAULT_READAHEAD_MAX              MiB_TO_PAGES(64UL)