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b6c1d5b81e
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3 Commits

Author SHA1 Message Date
Sage Weil
b6c1d5b81e ceph: simplify ceph_buffer interface 
We never allocate the ceph_buffer and buffer separtely, so use a single
constructor.

Disallow put on NULL buffer; make the caller check.

Signed-off-by: Sage Weil <sage@newdream.net>
 2009-12-07 12:17:17 -08:00
Sage Weil
dd26d857a7 ceph: use kref for ceph_buffer 
Signed-off-by: Sage Weil <sage@newdream.net>
 2009-12-07 12:10:04 -08:00
Sage Weil
c30dbb9cc7 ceph: ref counted buffer 
struct ceph_buffer is a simple ref-counted buffer.  We transparently
choose between kmalloc for small buffers and vmalloc for large ones.

This is currently used only for allocating memory for xattr data.

Signed-off-by: Sage Weil <sage@newdream.net>
 2009-10-06 11:31:07 -07:00