| Quellcodebibliothek Statistik Leitseite products/sources/formale Sprachen/C/Linux/net/ceph/ (Open Source Betriebssystem Version 6.17.9©) Datei vom 24.10.2025 mit Größe 1 kB |
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Quelle buffer.c Sprache: C |
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// SPDX-License-Identifier: GPL-2.0
#include <linux/ceph/ceph_debug.h> #include <linux/module.h> #include <linux/slab.h> #include <linux/ceph/buffer.h> #include <linux/ceph/decode.h> #include <linux/ceph/libceph.h> /* for kvmalloc */ struct ceph_buffer *ceph_buffer_new(size_t len, gfp_t gfp) { struct ceph_buffer *b; b = kmalloc(sizeof(*b), gfp); if (!b) return NULL; b->vec.iov_base = kvmalloc(len, gfp); if (!b->vec.iov_base) { kfree(b); return NULL; } kref_init(&b->kref); b->alloc_len = len; b->vec.iov_len = len; dout("buffer_new %p\n", b); return b; } EXPORT_SYMBOL(ceph_buffer_new); void ceph_buffer_release(struct kref *kref) { struct ceph_buffer *b = container_of(kref, struct ceph_buffer, kref); dout("buffer_release %p\n", b); kvfree(b->vec.iov_base); kfree(b); } EXPORT_SYMBOL(ceph_buffer_release); int ceph_decode_buffer(struct ceph_buffer **b, void **p, void *end) { size_t len; ceph_decode_need(p, end, sizeof(u32), bad); len = ceph_decode_32(p); dout("decode_buffer len %d\n", (int)len); ceph_decode_need(p, end, len, bad); *b = ceph_buffer_new(len, GFP_NOFS); if (!*b) return -ENOMEM; ceph_decode_copy(p, (*b)->vec.iov_base, len); return 0; bad: return -EINVAL; } ¤ Dauer der Verarbeitung: 0.17 Sekunden (vorverarbeitet) ¤*© Formatika GbR, Deutschland |
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2026-03-28