LU-11548 llite: increase readahead default values

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

diff --git a/lustre/llite/llite_internal.h b/lustre/llite/llite_internal.h
index 38d7495..2cb186f 100644 (file)
--- a/lustre/llite/llite_internal.h
+++ b/lustre/llite/llite_internal.h
@@ -239,16 +239,16 @@ struct ll_inode_info {
                };
        };
 
-        /* XXX: For following frequent used members, although they maybe special
-         *      used for non-directory object, it is some time-wasting to check
-         *      whether the object is directory or not before using them. On the
-         *      other hand, currently, sizeof(f) > sizeof(d), it cannot reduce
-         *      the "ll_inode_info" size even if moving those members into u.f.
-         *      So keep them out side.
-         *
-         *      In the future, if more members are added only for directory,
-         *      some of the following members can be moved into u.f.
-         */
+       /* XXX: For following frequent used members, although they maybe special
+        *      used for non-directory object, it is some time-wasting to check
+        *      whether the object is directory or not before using them. On the
+        *      other hand, currently, sizeof(f) > sizeof(d), it cannot reduce
+        *      the "ll_inode_info" size even if moving those members into u.f.
+        *      So keep them out side.
+        *
+        *      In the future, if more members are added only for directory,
+        *      some of the following members can be moved into u.f.
+        */
        struct cl_object                *lli_clob;
 
        /* mutex to request for layout lock exclusively. */
@@ -433,10 +433,10 @@ static inline bool ll_file_test_and_clear_flag(struct ll_inode_info *lli,
 int ll_xattr_cache_destroy(struct inode *inode);
 
 int ll_xattr_cache_get(struct inode *inode,
-                       const char *name,
-                       char *buffer,
-                       size_t size,
-                       __u64 valid);
+                      const char *name,
+                      char *buffer,
+                      size_t size,
+                      __u64 valid);
 
 int ll_xattr_cache_insert(struct inode *inode,
                          const char *name,
@@ -447,7 +447,7 @@ static inline bool obd_connect_has_secctx(struct obd_connect_data *data)
 {
 #ifdef CONFIG_SECURITY
        return data->ocd_connect_flags & OBD_CONNECT_FLAGS2 &&
-              data->ocd_connect_flags2 & OBD_CONNECT2_FILE_SECCTX;
+               data->ocd_connect_flags2 & OBD_CONNECT2_FILE_SECCTX;
 #else
        return false;
 #endif
@@ -509,8 +509,11 @@ static inline struct pcc_inode *ll_i2pcci(struct inode *inode)
 /* default to use at least 16M for fast read if possible */
 #define RA_REMAIN_WINDOW_MIN                   MiB_TO_PAGES(16UL)
 
-/* default readahead on a given system. */
-#define SBI_DEFAULT_READ_AHEAD_MAX             MiB_TO_PAGES(64UL)
+/* default read-ahead on a given client mountpoint. */
+#define SBI_DEFAULT_READ_AHEAD_MAX             MiB_TO_PAGES(1024UL)
+
+/* default read-ahead for a single file descriptor */
+#define SBI_DEFAULT_READ_AHEAD_PER_FILE_MAX    MiB_TO_PAGES(256UL)
 
 /* default read-ahead full files smaller than limit on the second read */
 #define SBI_DEFAULT_READ_AHEAD_WHOLE_MAX       MiB_TO_PAGES(2UL)