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Red Hat Bugzilla – Attachment 595861 Details for
Bug 837155
jbd can't process 512B block size correctly, make system crash.
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[patch]
make jbd fit for 512B block size.
jbd_512B_new.patch (text/plain), 899 bytes, created by
xiaowei.hu
on 2012-07-03 02:44:19 UTC
(
hide
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Description:
make jbd fit for 512B block size.
Filename:
MIME Type:
Creator:
xiaowei.hu
Created:
2012-07-03 02:44:19 UTC
Size:
899 bytes
patch
obsolete
>diff -up linux-2.6.18-308.1.1.0.1.el5.x86_64/fs/jbd/journal.c.orig linux-2.6.18-308.1.1.0.1.el5.x86_64/fs/jbd/journal.c >--- linux-2.6.18-308.1.1.0.1.el5.x86_64/fs/jbd/journal.c.orig 2012-04-26 15:54:07.000000000 +0800 >+++ linux-2.6.18-308.1.1.0.1.el5.x86_64/fs/jbd/journal.c 2012-04-26 15:56:31.000000000 +0800 >@@ -1653,13 +1653,13 @@ void * __jbd_kmalloc (const char *where, > * cause bh to cross page boundary. > */ > >-#define JBD_MAX_SLABS 5 >-#define JBD_SLAB_INDEX(size) (size >> 11) >+#define JBD_MAX_SLABS 9 >+#define JBD_SLAB_INDEX(size) (size >> 10) > > static DECLARE_RWSEM(jbd_slab_lock); /* protect jbd_slab[] */ > static kmem_cache_t *jbd_slab[JBD_MAX_SLABS]; > static const char *jbd_slab_names[JBD_MAX_SLABS] = { >- "jbd_1k", "jbd_2k", "jbd_4k", NULL, "jbd_8k" >+ "jbd_512B", "jbd_1k", "jbd_2k", NULL, "jbd_4k", NULL, NULL, NULL, "jbd_8k" > }; > > static void journal_destroy_jbd_slabs(void)
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bug 837155
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