fuse/dev: use atomic maps

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 5 insertions, 5 deletions

diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 0a648bb455ae..f90af6fe6884 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -669,13 +669,13 @@ static void fuse_copy_finish(struct fuse_copy_state *cs)
                 if (!cs->write) {
                         buf->ops->unmap(cs->pipe, buf, cs->mapaddr);
                 } else {
-                        kunmap(buf->page);
+                        kunmap_atomic(cs->mapaddr);
                         buf->len = PAGE_SIZE - cs->len;
                 }
                 cs->currbuf = NULL;
                 cs->mapaddr = NULL;
         } else if (cs->mapaddr) {
-                kunmap(cs->pg);
+                kunmap_atomic(cs->mapaddr);
                 if (cs->write) {
                         flush_dcache_page(cs->pg);
                         set_page_dirty_lock(cs->pg);
@@ -706,7 +706,7 @@ static int fuse_copy_fill(struct fuse_copy_state *cs)
 
                         BUG_ON(!cs->nr_segs);
                         cs->currbuf = buf;
-                        cs->mapaddr = buf->ops->map(cs->pipe, buf, 0);
+                        cs->mapaddr = buf->ops->map(cs->pipe, buf, 1);
                         cs->len = buf->len;
                         cs->buf = cs->mapaddr + buf->offset;
                         cs->pipebufs++;
@@ -726,7 +726,7 @@ static int fuse_copy_fill(struct fuse_copy_state *cs)
                         buf->len = 0;
 
                         cs->currbuf = buf;
-                        cs->mapaddr = kmap(page);
+                        cs->mapaddr = kmap_atomic(page);
                         cs->buf = cs->mapaddr;
                         cs->len = PAGE_SIZE;
                         cs->pipebufs++;
@@ -745,7 +745,7 @@ static int fuse_copy_fill(struct fuse_copy_state *cs)
                         return err;
                 BUG_ON(err != 1);
                 offset = cs->addr % PAGE_SIZE;
-                cs->mapaddr = kmap(cs->pg);
+                cs->mapaddr = kmap_atomic(cs->pg);
                 cs->buf = cs->mapaddr + offset;
                 cs->len = min(PAGE_SIZE - offset, cs->seglen);
                 cs->seglen -= cs->len;