move Rust sources to top level, C sources into c_src

[bcachefs-tools-debian] / include / linux / bvec.h

diff --git a/include/linux/bvec.h b/include/linux/bvec.h
deleted file mode 100644 (file)
index 5bc68b4..0000000
--- a/include/linux/bvec.h
+++ /dev/null
@@ -1,101 +0,0 @@
-/*
- * bvec iterator
- *
- * Copyright (C) 2001 Ming Lei <ming.lei@canonical.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program 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 Licens
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-
- */
-#ifndef __LINUX_BVEC_ITER_H
-#define __LINUX_BVEC_ITER_H
-
-#include <linux/kernel.h>
-#include <linux/bug.h>
-
-/*
- * was unsigned short, but we might as well be ready for > 64kB I/O pages
- */
-struct bio_vec {
-       struct page     *bv_page;
-       unsigned int    bv_len;
-       unsigned int    bv_offset;
-};
-
-struct bvec_iter {
-       sector_t                bi_sector;      /* device address in 512 byte
-                                                  sectors */
-       unsigned int            bi_size;        /* residual I/O count */
-
-       unsigned int            bi_idx;         /* current index into bvl_vec */
-
-       unsigned int            bi_bvec_done;   /* number of bytes completed in
-                                                  current bvec */
-};
-
-struct bvec_iter_all {
-       int             idx;
-};
-
-/*
- * various member access, note that bio_data should of course not be used
- * on highmem page vectors
- */
-#define __bvec_iter_bvec(bvec, iter)   (&(bvec)[(iter).bi_idx])
-
-#define bvec_iter_page(bvec, iter)                             \
-       (__bvec_iter_bvec((bvec), (iter))->bv_page)
-
-#define bvec_iter_len(bvec, iter)                              \
-       min((iter).bi_size,                                     \
-           __bvec_iter_bvec((bvec), (iter))->bv_len - (iter).bi_bvec_done)
-
-#define bvec_iter_offset(bvec, iter)                           \
-       (__bvec_iter_bvec((bvec), (iter))->bv_offset + (iter).bi_bvec_done)
-
-#define bvec_iter_bvec(bvec, iter)                             \
-((struct bio_vec) {                                            \
-       .bv_page        = bvec_iter_page((bvec), (iter)),       \
-       .bv_len         = bvec_iter_len((bvec), (iter)),        \
-       .bv_offset      = bvec_iter_offset((bvec), (iter)),     \
-})
-
-static inline void bvec_iter_advance(const struct bio_vec *bv,
-                                    struct bvec_iter *iter,
-                                    unsigned bytes)
-{
-       WARN_ONCE(bytes > iter->bi_size,
-                 "Attempted to advance past end of bvec iter\n");
-
-       while (bytes) {
-               unsigned iter_len = bvec_iter_len(bv, *iter);
-               unsigned len = min(bytes, iter_len);
-
-               bytes -= len;
-               iter->bi_size -= len;
-               iter->bi_bvec_done += len;
-
-               if (iter->bi_bvec_done == __bvec_iter_bvec(bv, *iter)->bv_len) {
-                       iter->bi_bvec_done = 0;
-                       iter->bi_idx++;
-               }
-       }
-}
-
-#define for_each_bvec(bvl, bio_vec, iter, start)                       \
-       for (iter = (start);                                            \
-            (iter).bi_size &&                                          \
-               ((bvl = bvec_iter_bvec((bio_vec), (iter))), 1); \
-            bvec_iter_advance((bio_vec), &(iter), (bvl).bv_len))
-
-#endif /* __LINUX_BVEC_ITER_H */