/* * Packet buffer structure and utilities. * * Based on pkt_buff.h from the netsniff-ng toolkit. * * Copyright (C) 2015 Tobias Klauser * Copyright (C) 2012 Christoph Jaeger * * This file is part of llmnrd. * * llmnrd is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, version 2 of the License. * * llmnrd is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with llmnrd. If not, see . */ #ifndef PKT_H #define PKT_H #include #include #include #include "util.h" struct pkt { uint8_t *head; uint8_t *data; uint8_t *tail; size_t size; }; static inline bool pkt_invariant(struct pkt *p) { return p && (p->head <= p->data) && (p->data <= p->tail); } static inline struct pkt *pkt_alloc(size_t size) { struct pkt *p = xmalloc(sizeof(*p) + size); uint8_t *data = (uint8_t *)p + sizeof(*p); p->head = p->data = p->tail = data; return p; } static inline void pkt_free(struct pkt *p) { free(p); } static inline size_t pkt_len(struct pkt *p) { assert(pkt_invariant(p)); return p->tail - p->data; } static inline uint8_t *pkt_put(struct pkt *p, size_t len) { uint8_t *data = NULL; assert(pkt_invariant(p)); if (len <= pkt_len(p)) { data = p->tail; p->tail += len; } else assert(false); /* TODO */ return data; } static inline void pkt_put_u16(struct pkt *p, uint16_t val) { uint16_t *data = (uint16_t *)pkt_put(p, sizeof(val)); *data = val; } static inline void pkt_put_u32(struct pkt *p, uint32_t val) { uint32_t *data = (uint32_t *)pkt_put(p, sizeof(val)); *data = val; } #endif /* PKT_H */ 260f4ca3595b7ed7'>commitdiff

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-rw-r--r--

drivers/target/target_core_xcopy.c

1 files changed, 9 insertions, 19 deletions

diff --git a/drivers/target/target_core_xcopy.c b/drivers/target/target_core_xcopy.c
parent	3ebc7033168d43d12e4941f48a6f257d3f1ea1b5 (diff)
parent	0839ffb83e44e5ff1843e932592525fc2bff23ff (diff)

Merge tag 'nfsd-4.10-3' of git://linux-nfs.org/~bfields/linux

Pull nfsd revert from Bruce Fields: "This patch turned out to have a couple problems. The problems are fixable, but at least one of the fixes is a little ugly. The original bug has always been there, so we can wait another week or two to get this right" * tag 'nfsd-4.10-3' of git://linux-nfs.org/~bfields/linux: nfsd: Revert "nfsd: special case truncates some more"

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-rw-r--r--

fs/nfsd/vfs.c

1 files changed, 60 insertions, 37 deletions


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