>From clameter:
Teach jbd/jbd2 slab management to support >8k block size. Without this, it refused to mount on >8k ext3.
Signed-off-by: Mingming Cao <[email protected]>
Index: my2.6/fs/jbd/journal.c
===================================================================
--- my2.6.orig/fs/jbd/journal.c 2007-08-30 18:40:02.000000000 -0700
+++ my2.6/fs/jbd/journal.c 2007-08-31 11:01:18.000000000 -0700
@@ -1627,16 +1627,17 @@ void * __jbd_kmalloc (const char *where,
* jbd slab management: create 1k, 2k, 4k, 8k slabs as needed
* and allocate frozen and commit buffers from these slabs.
*
- * Reason for doing this is to avoid, SLAB_DEBUG - since it could
- * cause bh to cross page boundary.
+ * (Note: We only seem to need the definitions here for the SLAB_DEBUG
+ * case. In non debug operations SLUB will find the corresponding kmalloc
+ * cache and create an alias. --clameter)
*/
-
-#define JBD_MAX_SLABS 5
-#define JBD_SLAB_INDEX(size) (size >> 11)
+#define JBD_MAX_SLABS 7
+#define JBD_SLAB_INDEX(size) get_order((size) << (PAGE_SHIFT - 10))
static struct kmem_cache *jbd_slab[JBD_MAX_SLABS];
static const char *jbd_slab_names[JBD_MAX_SLABS] = {
- "jbd_1k", "jbd_2k", "jbd_4k", NULL, "jbd_8k"
+ "jbd_1k", "jbd_2k", "jbd_4k", "jbd_8k",
+ "jbd_16k", "jbd_32k", "jbd_64k"
};
static void journal_destroy_jbd_slabs(void)
Index: my2.6/fs/jbd2/journal.c
===================================================================
--- my2.6.orig/fs/jbd2/journal.c 2007-08-30 18:40:02.000000000 -0700
+++ my2.6/fs/jbd2/journal.c 2007-08-31 11:04:37.000000000 -0700
@@ -1639,16 +1639,18 @@ void * __jbd2_kmalloc (const char *where
* jbd slab management: create 1k, 2k, 4k, 8k slabs as needed
* and allocate frozen and commit buffers from these slabs.
*
- * Reason for doing this is to avoid, SLAB_DEBUG - since it could
- * cause bh to cross page boundary.
+ * (Note: We only seem to need the definitions here for the SLAB_DEBUG
+ * case. In non debug operations SLUB will find the corresponding kmalloc
+ * cache and create an alias. --clameter)
*/
-#define JBD_MAX_SLABS 5
-#define JBD_SLAB_INDEX(size) (size >> 11)
+#define JBD_MAX_SLABS 7
+#define JBD_SLAB_INDEX(size) get_order((size) << (PAGE_SHIFT - 10))
static struct kmem_cache *jbd_slab[JBD_MAX_SLABS];
static const char *jbd_slab_names[JBD_MAX_SLABS] = {
- "jbd2_1k", "jbd2_2k", "jbd2_4k", NULL, "jbd2_8k"
+ "jbd2_1k", "jbd2_2k", "jbd2_4k", "jbd2_8k",
+ "jbd2_16k", "jbd2_32k", "jbd2_64k"
};
static void jbd2_journal_destroy_jbd_slabs(void)
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
