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authorDavid Woodhouse <dwmw2@infradead.org>2007-04-27 19:16:19 +0100
committerDavid Woodhouse <dwmw2@infradead.org>2007-04-27 19:16:19 +0100
commitd1da4e50e5d09f02c340927a4fcb7f54202fa033 (patch)
tree7f98317bdd45dbdb7644e9179891c5af6a3a8ef1 /fs/jffs2/wbuf.c
parent78ab67da1002d954ea4c3e2b441e2483c41f94e8 (diff)
parenta205752d1ad2d37d6597aaae5a56fc396a770868 (diff)
downloadlinux-linaro-d1da4e50e5d09f02c340927a4fcb7f54202fa033.tar.gz
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: drivers/mtd/Kconfig Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Diffstat (limited to 'fs/jffs2/wbuf.c')
-rw-r--r--fs/jffs2/wbuf.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/fs/jffs2/wbuf.c b/fs/jffs2/wbuf.c
index dafcd410240..c556e85a565 100644
--- a/fs/jffs2/wbuf.c
+++ b/fs/jffs2/wbuf.c
@@ -1209,3 +1209,27 @@ int jffs2_nor_wbuf_flash_setup(struct jffs2_sb_info *c) {
void jffs2_nor_wbuf_flash_cleanup(struct jffs2_sb_info *c) {
kfree(c->wbuf);
}
+
+int jffs2_ubivol_setup(struct jffs2_sb_info *c) {
+ c->cleanmarker_size = 0;
+
+ if (c->mtd->writesize == 1)
+ /* We do not need write-buffer */
+ return 0;
+
+ init_rwsem(&c->wbuf_sem);
+
+ c->wbuf_pagesize = c->mtd->writesize;
+ c->wbuf_ofs = 0xFFFFFFFF;
+ c->wbuf = kmalloc(c->wbuf_pagesize, GFP_KERNEL);
+ if (!c->wbuf)
+ return -ENOMEM;
+
+ printk(KERN_INFO "JFFS2 write-buffering enabled buffer (%d) erasesize (%d)\n", c->wbuf_pagesize, c->sector_size);
+
+ return 0;
+}
+
+void jffs2_ubivol_cleanup(struct jffs2_sb_info *c) {
+ kfree(c->wbuf);
+}