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authorTiger Yang <tiger.yang@oracle.com>2010-01-25 14:11:06 +0800
committerJoel Becker <joel.becker@oracle.com>2010-02-26 15:41:07 -0800
commitb89c54282db0c8634a2d2dc200f196d571750ce5 (patch)
treefbb34a01b3f0b2f4af6aae9ede9f3f21ef2a378d /fs/ocfs2/suballoc.h
parenta5f28ae4df291d81d9d23066f88c55ca45e388d3 (diff)
ocfs2: add extent block stealing for ocfs2 v5
This patch add extent block (metadata) stealing mechanism for extent allocation. This mechanism is same as the inode stealing. if no room in slot specific extent_alloc, we will try to allocate extent block from the next slot. Signed-off-by: Tiger Yang <tiger.yang@oracle.com> Acked-by: Tao Ma <tao.ma@oracle.com> Signed-off-by: Joel Becker <joel.becker@oracle.com>
Diffstat (limited to 'fs/ocfs2/suballoc.h')
-rw-r--r--fs/ocfs2/suballoc.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h
index 8c9a78a4316..fa60723c43e 100644
--- a/fs/ocfs2/suballoc.h
+++ b/fs/ocfs2/suballoc.h
@@ -56,6 +56,7 @@ struct ocfs2_alloc_context {
is the same as ~0 - unlimited */
};
+void ocfs2_init_steal_slots(struct ocfs2_super *osb);
void ocfs2_free_alloc_context(struct ocfs2_alloc_context *ac);
static inline int ocfs2_alloc_context_bits_left(struct ocfs2_alloc_context *ac)
{