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authorAl Viro <viro@zeniv.linux.org.uk>2014-02-02 21:03:40 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2014-04-01 23:19:18 -0400
commit58bda1da4b3c3ec6da8d0badaba12ce02839a241 (patch)
tree0b58f67956c31ae6971374c0e4d43b61b2f0e237 /fs/fuse
parent8ffcb32e05239f0e53abfb0a1bc4eee4855b7fd2 (diff)
downloadop-kernel-dev-58bda1da4b3c3ec6da8d0badaba12ce02839a241.zip
op-kernel-dev-58bda1da4b3c3ec6da8d0badaba12ce02839a241.tar.gz
fuse/dev: use atomic maps
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/fuse')
-rw-r--r--fs/fuse/dev.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 0a648bb..f90af6f 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;
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