logfs: remove the second argument of k[un]map_atomic()
Cong Wang [Fri, 25 Nov 2011 15:14:31 +0000 (23:14 +0800)]
Signed-off-by: Cong Wang <amwang@redhat.com>

fs/logfs/dir.c
fs/logfs/readwrite.c
fs/logfs/segment.c

index 3de7a32..1b6e21d 100644 (file)
@@ -177,17 +177,17 @@ static struct page *logfs_get_dd_page(struct inode *dir, struct dentry *dentry)
                                (filler_t *)logfs_readpage, NULL);
                if (IS_ERR(page))
                        return page;
-               dd = kmap_atomic(page, KM_USER0);
+               dd = kmap_atomic(page);
                BUG_ON(dd->namelen == 0);
 
                if (name->len != be16_to_cpu(dd->namelen) ||
                                memcmp(name->name, dd->name, name->len)) {
-                       kunmap_atomic(dd, KM_USER0);
+                       kunmap_atomic(dd);
                        page_cache_release(page);
                        continue;
                }
 
-               kunmap_atomic(dd, KM_USER0);
+               kunmap_atomic(dd);
                return page;
        }
        return NULL;
@@ -365,9 +365,9 @@ static struct dentry *logfs_lookup(struct inode *dir, struct dentry *dentry,
                return NULL;
        }
        index = page->index;
-       dd = kmap_atomic(page, KM_USER0);
+       dd = kmap_atomic(page);
        ino = be64_to_cpu(dd->ino);
-       kunmap_atomic(dd, KM_USER0);
+       kunmap_atomic(dd);
        page_cache_release(page);
 
        inode = logfs_iget(dir->i_sb, ino);
@@ -402,12 +402,12 @@ static int logfs_write_dir(struct inode *dir, struct dentry *dentry,
                if (!page)
                        return -ENOMEM;
 
-               dd = kmap_atomic(page, KM_USER0);
+               dd = kmap_atomic(page);
                memset(dd, 0, sizeof(*dd));
                dd->ino = cpu_to_be64(inode->i_ino);
                dd->type = logfs_type(inode);
                logfs_set_name(dd, &dentry->d_name);
-               kunmap_atomic(dd, KM_USER0);
+               kunmap_atomic(dd);
 
                err = logfs_write_buf(dir, page, WF_LOCK);
                unlock_page(page);
@@ -579,9 +579,9 @@ static int logfs_get_dd(struct inode *dir, struct dentry *dentry,
        if (IS_ERR(page))
                return PTR_ERR(page);
        *pos = page->index;
-       map = kmap_atomic(page, KM_USER0);
+       map = kmap_atomic(page);
        memcpy(dd, map, sizeof(*dd));
-       kunmap_atomic(map, KM_USER0);
+       kunmap_atomic(map);
        page_cache_release(page);
        return 0;
 }
index 4153e65..e3ab5e5 100644 (file)
@@ -517,9 +517,9 @@ static int indirect_write_alias(struct super_block *sb,
 
                ino = page->mapping->host->i_ino;
                logfs_unpack_index(page->index, &bix, &level);
-               child = kmap_atomic(page, KM_USER0);
+               child = kmap_atomic(page);
                val = child[pos];
-               kunmap_atomic(child, KM_USER0);
+               kunmap_atomic(child);
                err = write_one_alias(sb, ino, bix, level, pos, val);
                if (err)
                        return err;
@@ -673,9 +673,9 @@ static void alloc_indirect_block(struct inode *inode, struct page *page,
        alloc_data_block(inode, page);
 
        block = logfs_block(page);
-       array = kmap_atomic(page, KM_USER0);
+       array = kmap_atomic(page);
        initialize_block_counters(page, block, array, page_is_empty);
-       kunmap_atomic(array, KM_USER0);
+       kunmap_atomic(array);
 }
 
 static void block_set_pointer(struct page *page, int index, u64 ptr)
@@ -685,10 +685,10 @@ static void block_set_pointer(struct page *page, int index, u64 ptr)
        u64 oldptr;
 
        BUG_ON(!block);
-       array = kmap_atomic(page, KM_USER0);
+       array = kmap_atomic(page);
        oldptr = be64_to_cpu(array[index]);
        array[index] = cpu_to_be64(ptr);
-       kunmap_atomic(array, KM_USER0);
+       kunmap_atomic(array);
        SetPageUptodate(page);
 
        block->full += !!(ptr & LOGFS_FULLY_POPULATED)
@@ -701,9 +701,9 @@ static u64 block_get_pointer(struct page *page, int index)
        __be64 *block;
        u64 ptr;
 
-       block = kmap_atomic(page, KM_USER0);
+       block = kmap_atomic(page);
        ptr = be64_to_cpu(block[index]);
-       kunmap_atomic(block, KM_USER0);
+       kunmap_atomic(block);
        return ptr;
 }
 
@@ -850,7 +850,7 @@ static u64 seek_holedata_loop(struct inode *inode, u64 bix, int data)
                }
 
                slot = get_bits(bix, SUBLEVEL(level));
-               rblock = kmap_atomic(page, KM_USER0);
+               rblock = kmap_atomic(page);
                while (slot < LOGFS_BLOCK_FACTOR) {
                        if (data && (rblock[slot] != 0))
                                break;
@@ -861,12 +861,12 @@ static u64 seek_holedata_loop(struct inode *inode, u64 bix, int data)
                        bix &= ~(increment - 1);
                }
                if (slot >= LOGFS_BLOCK_FACTOR) {
-                       kunmap_atomic(rblock, KM_USER0);
+                       kunmap_atomic(rblock);
                        logfs_put_read_page(page);
                        return bix;
                }
                bofs = be64_to_cpu(rblock[slot]);
-               kunmap_atomic(rblock, KM_USER0);
+               kunmap_atomic(rblock);
                logfs_put_read_page(page);
                if (!bofs) {
                        BUG_ON(data);
@@ -1961,9 +1961,9 @@ int logfs_read_inode(struct inode *inode)
        if (IS_ERR(page))
                return PTR_ERR(page);
 
-       di = kmap_atomic(page, KM_USER0);
+       di = kmap_atomic(page);
        logfs_disk_to_inode(di, inode);
-       kunmap_atomic(di, KM_USER0);
+       kunmap_atomic(di);
        move_page_to_inode(inode, page);
        page_cache_release(page);
        return 0;
@@ -1982,9 +1982,9 @@ static struct page *inode_to_page(struct inode *inode)
        if (!page)
                return NULL;
 
-       di = kmap_atomic(page, KM_USER0);
+       di = kmap_atomic(page);
        logfs_inode_to_disk(inode, di);
-       kunmap_atomic(di, KM_USER0);
+       kunmap_atomic(di);
        move_inode_to_page(page, inode);
        return page;
 }
@@ -2041,13 +2041,13 @@ static void logfs_mod_segment_entry(struct super_block *sb, u32 segno,
 
        if (write)
                alloc_indirect_block(inode, page, 0);
-       se = kmap_atomic(page, KM_USER0);
+       se = kmap_atomic(page);
        change_se(se + child_no, arg);
        if (write) {
                logfs_set_alias(sb, logfs_block(page), child_no);
                BUG_ON((int)be32_to_cpu(se[child_no].valid) > super->s_segsize);
        }
-       kunmap_atomic(se, KM_USER0);
+       kunmap_atomic(se);
 
        logfs_put_write_page(page);
 }
@@ -2245,10 +2245,10 @@ int logfs_inode_write(struct inode *inode, const void *buf, size_t count,
        if (!page)
                return -ENOMEM;
 
-       pagebuf = kmap_atomic(page, KM_USER0);
+       pagebuf = kmap_atomic(page);
        memcpy(pagebuf, buf, count);
        flush_dcache_page(page);
-       kunmap_atomic(pagebuf, KM_USER0);
+       kunmap_atomic(pagebuf);
 
        if (i_size_read(inode) < pos + LOGFS_BLOCKSIZE)
                i_size_write(inode, pos + LOGFS_BLOCKSIZE);
index ab798ed..e28d090 100644 (file)
@@ -543,9 +543,9 @@ void move_page_to_btree(struct page *page)
                BUG_ON(!item); /* mempool empty */
                memset(item, 0, sizeof(*item));
 
-               child = kmap_atomic(page, KM_USER0);
+               child = kmap_atomic(page);
                item->val = child[pos];
-               kunmap_atomic(child, KM_USER0);
+               kunmap_atomic(child);
                item->child_no = pos;
                list_add(&item->list, &block->item_list);
        }