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authorMiklos Szeredi <mszeredi@suse.cz>2010-10-26 14:22:27 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-26 16:52:13 -0700
commitb6777c40c79168d938c30b5b7471fbd64bca109c (patch)
tree866d965ba77a47fd81b69883194ec9c7238a48d5 /fs/fuse
parent3ecb01df3261d3b1f02ccfcf8384e2a255d2a1d0 (diff)
fuse: use clear_highpage() and KM_USER0 instead of KM_USER1
Commit 7909b1c640 ("fuse: don't use atomic kmap") removed KM_USER0 usage from fuse/dev.c. Switch KM_USER1 uses to KM_USER0 for clarity. Also replace open coded clear_highpage(). Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Cc: Jan Beulich <jbeulich@novell.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/fuse')
-rw-r--r--fs/fuse/dev.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 69037118b2c9..b98664275f02 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -809,11 +809,9 @@ static int fuse_copy_page(struct fuse_copy_state *cs, struct page **pagep,
int err;
struct page *page = *pagep;
- if (page && zeroing && count < PAGE_SIZE) {
- void *mapaddr = kmap_atomic(page, KM_USER1);
- clear_page(mapaddr);
- kunmap_atomic(mapaddr, KM_USER1);
- }
+ if (page && zeroing && count < PAGE_SIZE)
+ clear_highpage(page);
+
while (count) {
if (cs->write && cs->pipebufs && page) {
return fuse_ref_page(cs, page, offset, count);
@@ -830,10 +828,10 @@ static int fuse_copy_page(struct fuse_copy_state *cs, struct page **pagep,
}
}
if (page) {
- void *mapaddr = kmap_atomic(page, KM_USER1);
+ void *mapaddr = kmap_atomic(page, KM_USER0);
void *buf = mapaddr + offset;
offset += fuse_copy_do(cs, &buf, &count);
- kunmap_atomic(mapaddr, KM_USER1);
+ kunmap_atomic(mapaddr, KM_USER0);
} else
offset += fuse_copy_do(cs, NULL, &count);
}