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51 lines
1.1 KiB
51 lines
1.1 KiB
/* |
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* JFFS2 -- Journalling Flash File System, Version 2. |
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* |
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* Copyright © 2001-2007 Red Hat, Inc. |
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* |
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* Created by David Woodhouse <[email protected]> |
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* |
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* For licensing information, see the file 'LICENCE' in this directory. |
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* |
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*/ |
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#include <linux/kernel.h> |
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#include <linux/mtd/mtd.h> |
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#include "nodelist.h" |
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int jffs2_flash_direct_writev(struct jffs2_sb_info *c, const struct kvec *vecs, |
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unsigned long count, loff_t to, size_t *retlen) |
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{ |
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if (!jffs2_is_writebuffered(c)) { |
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if (jffs2_sum_active()) { |
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int res; |
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res = jffs2_sum_add_kvec(c, vecs, count, (uint32_t) to); |
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if (res) { |
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return res; |
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} |
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} |
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} |
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return mtd_writev(c->mtd, vecs, count, to, retlen); |
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} |
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int jffs2_flash_direct_write(struct jffs2_sb_info *c, loff_t ofs, size_t len, |
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size_t *retlen, const u_char *buf) |
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{ |
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int ret; |
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ret = mtd_write(c->mtd, ofs, len, retlen, buf); |
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if (jffs2_sum_active()) { |
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struct kvec vecs[1]; |
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int res; |
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vecs[0].iov_base = (unsigned char *) buf; |
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vecs[0].iov_len = len; |
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res = jffs2_sum_add_kvec(c, vecs, 1, (uint32_t) ofs); |
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if (res) { |
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return res; |
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} |
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} |
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return ret; |
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}
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