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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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12345678910111213141516171819202122232425262728293031323334353637383940/* SPDX-License-Identifier: GPL-2.0 */#ifndef __FS_CEPH_BUFFER_H#define __FS_CEPH_BUFFER_H
#include <linux/kref.h>#include <linux/mm.h>#include <linux/vmalloc.h>#include <linux/types.h>#include <linux/uio.h>
/* * a simple reference counted buffer. * * use kmalloc for smaller sizes, vmalloc for larger sizes. */struct ceph_buffer { struct kref kref; struct kvec vec; size_t alloc_len;};
extern struct ceph_buffer *ceph_buffer_new(size_t len, gfp_t gfp);extern void ceph_buffer_release(struct kref *kref);
static inline struct ceph_buffer *ceph_buffer_get(struct ceph_buffer *b){ kref_get(&b->kref); return b;}
static inline void ceph_buffer_put(struct ceph_buffer *b){ if (b) kref_put(&b->kref, ceph_buffer_release);}
extern int ceph_decode_buffer(struct ceph_buffer **b, void **p, void *end);
#endif