btrfs: make create_io_em take btrfs_inode

It really wants a btrfs_inode and will allow submit_compressed_extents
to be completely converted to btrfs_inode in follow up patches.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index ba7d204..7015bf1 100644 (file)
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -84,8 +84,8 @@ static noinline int cow_file_range(struct inode *inode,
                                   struct page *locked_page,
                                   u64 start, u64 end, int *page_started,
                                   unsigned long *nr_written, int unlock);
-static struct extent_map *create_io_em(struct inode *inode, u64 start, u64 len,
-                                      u64 orig_start, u64 block_start,
+static struct extent_map *create_io_em(struct btrfs_inode *inode, u64 start,
+                                      u64 len, u64 orig_start, u64 block_start,
                                       u64 block_len, u64 orig_block_len,
                                       u64 ram_bytes, int compress_type,
                                       int type);
@@ -845,7 +845,7 @@ retry:
                 * here we're doing allocation and writeback of the
                 * compressed pages
                 */
-               em = create_io_em(inode, async_extent->start,
+               em = create_io_em(BTRFS_I(inode), async_extent->start,
                                  async_extent->ram_size, /* len */
                                  async_extent->start, /* orig_start */
                                  ins.objectid, /* block_start */
@@ -1064,7 +1064,7 @@ static noinline int cow_file_range(struct inode *inode,
                extent_reserved = true;
 
                ram_size = ins.offset;
-               em = create_io_em(inode, start, ins.offset, /* len */
+               em = create_io_em(BTRFS_I(inode), start, ins.offset, /* len */
                                  start, /* orig_start */
                                  ins.objectid, /* block_start */
                                  ins.offset, /* block_len */
@@ -1700,7 +1700,7 @@ out_check:
                        u64 orig_start = found_key.offset - extent_offset;
                        struct extent_map *em;
 
-                       em = create_io_em(inode, cur_offset, num_bytes,
+                       em = create_io_em(BTRFS_I(inode), cur_offset, num_bytes,
                                          orig_start,
                                          disk_bytenr, /* block_start */
                                          num_bytes, /* block_len */
@@ -6861,7 +6861,7 @@ static struct extent_map *btrfs_create_dio_extent(struct inode *inode,
        int ret;
 
        if (type != BTRFS_ORDERED_NOCOW) {
-               em = create_io_em(inode, start, len, orig_start,
+               em = create_io_em(BTRFS_I(inode), start, len, orig_start,
                                  block_start, block_len, orig_block_len,
                                  ram_bytes,
                                  BTRFS_COMPRESS_NONE, /* compress_type */
@@ -7140,8 +7140,8 @@ static int lock_extent_direct(struct inode *inode, u64 lockstart, u64 lockend,
 }
 
 /* The callers of this must take lock_extent() */
-static struct extent_map *create_io_em(struct inode *inode, u64 start, u64 len,
-                                      u64 orig_start, u64 block_start,
+static struct extent_map *create_io_em(struct btrfs_inode *inode, u64 start,
+                                      u64 len, u64 orig_start, u64 block_start,
                                       u64 block_len, u64 orig_block_len,
                                       u64 ram_bytes, int compress_type,
                                       int type)
@@ -7155,7 +7155,7 @@ static struct extent_map *create_io_em(struct inode *inode, u64 start, u64 len,
               type == BTRFS_ORDERED_NOCOW ||
               type == BTRFS_ORDERED_REGULAR);
 
-       em_tree = &BTRFS_I(inode)->extent_tree;
+       em_tree = &inode->extent_tree;
        em = alloc_extent_map();
        if (!em)
                return ERR_PTR(-ENOMEM);
@@ -7177,8 +7177,8 @@ static struct extent_map *create_io_em(struct inode *inode, u64 start, u64 len,
        }
 
        do {
-               btrfs_drop_extent_cache(BTRFS_I(inode), em->start,
-                               em->start + em->len - 1, 0);
+               btrfs_drop_extent_cache(inode, em->start,
+                                       em->start + em->len - 1, 0);
                write_lock(&em_tree->lock);
                ret = add_extent_mapping(em_tree, em, 1);
                write_unlock(&em_tree->lock);