[PATCH 34/60] gfs2: remove the second argument of k[un]map_atomic()

Cong Wang
2012-02-10T05:45:43Z

fs/gfs2/aops.c | 12 ++++++------
fs/gfs2/lops.c | 8 ++++----
fs/gfs2/quota.c | 4 ++--
3 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c
index 501e5cb..38b7a74 100644
--- a/fs/gfs2/aops.c
+++ b/fs/gfs2/aops.c
@@ -434,12 +434,12 @@ static int stuffed_readpage(struct gfs2_inode *ip, struct page *page)
if (error)
return error;

- kaddr = kmap_atomic(page, KM_USER0);
+ kaddr = kmap_atomic(page);
if (dsize > (dibh->b_size - sizeof(struct gfs2_dinode)))
dsize = (dibh->b_size - sizeof(struct gfs2_dinode));
memcpy(kaddr, dibh->b_data + sizeof(struct gfs2_dinode), dsize);
memset(kaddr + dsize, 0, PAGE_CACHE_SIZE - dsize);
- kunmap_atomic(kaddr, KM_USER0);
+ kunmap_atomic(kaddr);
flush_dcache_page(page);
brelse(dibh);
SetPageUptodate(page);
@@ -542,9 +542,9 @@ int gfs2_internal_read(struct gfs2_inode *ip, struct file_ra_state *ra_state,
page = read_cache_page(mapping, index, __gfs2_readpage, NULL);
if (IS_ERR(page))
return PTR_ERR(page);
- p = kmap_atomic(page, KM_USER0);
+ p = kmap_atomic(page);
memcpy(buf + copied, p + offset, amt);
- kunmap_atomic(p, KM_USER0);
+ kunmap_atomic(p);
mark_page_accessed(page);
page_cache_release(page);
copied += amt;
@@ -788,11 +788,11 @@ static int gfs2_stuffed_write_end(struct inode *inode, struct buffer_head *dibh,
unsigned char *buf = dibh->b_data + sizeof(struct gfs2_dinode);

BUG_ON((pos + len) > (dibh->b_size - sizeof(struct gfs2_dinode)));
- kaddr = kmap_atomic(page, KM_USER0);
+ kaddr = kmap_atomic(page);
memcpy(buf + pos, kaddr + pos, copied);
memset(kaddr + pos + copied, 0, len - copied);
flush_dcache_page(page);
- kunmap_atomic(kaddr, KM_USER0);
+ kunmap_atomic(kaddr);

if (!PageUptodate(page))
SetPageUptodate(page);
diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c
index 0301be6..df7c6e8 100644
--- a/fs/gfs2/lops.c
+++ b/fs/gfs2/lops.c
@@ -553,11 +553,11 @@ static void gfs2_check_magic(struct buffer_head *bh)
__be32 *ptr;

clear_buffer_escaped(bh);
- kaddr = kmap_atomic(bh->b_page, KM_USER0);
+ kaddr = kmap_atomic(bh->b_page);
ptr = kaddr + bh_offset(bh);
if (*ptr == cpu_to_be32(GFS2_MAGIC))
set_buffer_escaped(bh);
- kunmap_atomic(kaddr, KM_USER0);
+ kunmap_atomic(kaddr);
}

static void gfs2_write_blocks(struct gfs2_sbd *sdp, struct buffer_head *bh,
@@ -594,10 +594,10 @@ static void gfs2_write_blocks(struct gfs2_sbd *sdp, struct buffer_head *bh,
if (buffer_escaped(bd->bd_bh)) {
void *kaddr;
bh1 = gfs2_log_get_buf(sdp);
- kaddr = kmap_atomic(bd->bd_bh->b_page, KM_USER0);
+ kaddr = kmap_atomic(bd->bd_bh->b_page);
memcpy(bh1->b_data, kaddr + bh_offset(bd->bd_bh),
bh1->b_size);
- kunmap_atomic(kaddr, KM_USER0);
+ kunmap_atomic(kaddr);
*(__be32 *)bh1->b_data = 0;
clear_buffer_escaped(bd->bd_bh);
unlock_buffer(bd->bd_bh);
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index a45b21b..c0f8904 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -720,12 +720,12 @@ get_a_page:

gfs2_trans_add_bh(ip->i_gl, bh, 0);

- kaddr = kmap_atomic(page, KM_USER0);
+ kaddr = kmap_atomic(page);
if (offset + sizeof(struct gfs2_quota) > PAGE_CACHE_SIZE)
nbytes = PAGE_CACHE_SIZE - offset;
memcpy(kaddr + offset, ptr, nbytes);
flush_dcache_page(page);
- kunmap_atomic(kaddr, KM_USER0);
+ kunmap_atomic(kaddr);
unlock_page(page);
page_cache_release(page);

--
1.7.7.6