7 files changed, 23 insertions, 23 deletions

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index ccce8a7e94ed..d16f6b5a140b 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -1034,7 +1034,7 @@ cleanup:
                 for (i = 0; i < depth; i++) {
                         if (!ablocks[i])
                                 continue;
-                        ext4_free_blocks(handle, inode, 0, ablocks[i], 1,
+                        ext4_free_blocks(handle, inode, NULL, ablocks[i], 1,
                                          EXT4_FREE_BLOCKS_METADATA);
                 }
         }
@@ -2059,7 +2059,7 @@ static int ext4_ext_rm_idx(handle_t *handle, struct inode *inode,
         if (err)
                 return err;
         ext_debug("index is empty, remove it, free block %llu\n", leaf);
-        ext4_free_blocks(handle, inode, 0, leaf, 1,
+        ext4_free_blocks(handle, inode, NULL, leaf, 1,
                          EXT4_FREE_BLOCKS_METADATA | EXT4_FREE_BLOCKS_FORGET);
         return err;
 }
@@ -2156,7 +2156,7 @@ static int ext4_remove_blocks(handle_t *handle, struct inode *inode,
                 num = le32_to_cpu(ex->ee_block) + ee_len - from;
                 start = ext4_ext_pblock(ex) + ee_len - num;
                 ext_debug("free last %u blocks starting %llu\n", num, start);
-                ext4_free_blocks(handle, inode, 0, start, num, flags);
+                ext4_free_blocks(handle, inode, NULL, start, num, flags);
         } else if (from == le32_to_cpu(ex->ee_block)
                    && to <= le32_to_cpu(ex->ee_block) + ee_len - 1) {
                 printk(KERN_INFO "strange request: removal %u-%u from %u:%u\n",
@@ -3485,7 +3485,7 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode,
                 /* not a good idea to call discard here directly,
                  * but otherwise we'd need to call it every free() */
                 ext4_discard_preallocations(inode);
-                ext4_free_blocks(handle, inode, 0, ext4_ext_pblock(&newex),
+                ext4_free_blocks(handle, inode, NULL, ext4_ext_pblock(&newex),
                                  ext4_ext_get_actual_len(&newex), 0);
                 goto out2;
         }
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index eb9097aec6f0..2fd3b0e41787 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -649,7 +649,7 @@ static int find_group_other(struct super_block *sb, struct inode *parent,
                 *group = parent_group + flex_size;
                 if (*group > ngroups)
                         *group = 0;
-                return find_group_orlov(sb, parent, group, mode, 0);
+                return find_group_orlov(sb, parent, group, mode, NULL);
         }
 
         /*
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 9f7f9e49914f..c6c6b7fcb455 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -720,7 +720,7 @@ allocated:
         return ret;
 failed_out:
         for (i = 0; i < index; i++)
-                ext4_free_blocks(handle, inode, 0, new_blocks[i], 1, 0);
+                ext4_free_blocks(handle, inode, NULL, new_blocks[i], 1, 0);
         return ret;
 }
 
@@ -823,20 +823,20 @@ static int ext4_alloc_branch(handle_t *handle, struct inode *inode,
         return err;
 failed:
         /* Allocation failed, free what we already allocated */
-        ext4_free_blocks(handle, inode, 0, new_blocks[0], 1, 0);
+        ext4_free_blocks(handle, inode, NULL, new_blocks[0], 1, 0);
         for (i = 1; i <= n ; i++) {
                 /*
                  * branch[i].bh is newly allocated, so there is no
                  * need to revoke the block, which is why we don't
                  * need to set EXT4_FREE_BLOCKS_METADATA.
                  */
-                ext4_free_blocks(handle, inode, 0, new_blocks[i], 1,
+                ext4_free_blocks(handle, inode, NULL, new_blocks[i], 1,
                                  EXT4_FREE_BLOCKS_FORGET);
         }
         for (i = n+1; i < indirect_blks; i++)
-                ext4_free_blocks(handle, inode, 0, new_blocks[i], 1, 0);
+                ext4_free_blocks(handle, inode, NULL, new_blocks[i], 1, 0);
 
-        ext4_free_blocks(handle, inode, 0, new_blocks[i], num, 0);
+        ext4_free_blocks(handle, inode, NULL, new_blocks[i], num, 0);
 
         return err;
 }
@@ -924,7 +924,7 @@ err_out:
                 ext4_free_blocks(handle, inode, where[i].bh, 0, 1,
                                  EXT4_FREE_BLOCKS_FORGET);
         }
-        ext4_free_blocks(handle, inode, 0, le32_to_cpu(where[num].key),
+        ext4_free_blocks(handle, inode, NULL, le32_to_cpu(where[num].key),
                          blks, 0);
 
         return err;
@@ -4228,7 +4228,7 @@ static int ext4_clear_blocks(handle_t *handle, struct inode *inode,
         for (p = first; p < last; p++)
                 *p = 0;
 
-        ext4_free_blocks(handle, inode, 0, block_to_free, count, flags);
+        ext4_free_blocks(handle, inode, NULL, block_to_free, count, flags);
         return 0;
 }
 
@@ -4416,7 +4416,7 @@ static void ext4_free_branches(handle_t *handle, struct inode *inode,
                          * transaction where the data blocks are
                          * actually freed.
                          */
-                        ext4_free_blocks(handle, inode, 0, nr, 1,
+                        ext4_free_blocks(handle, inode, NULL, nr, 1,
                                          EXT4_FREE_BLOCKS_METADATA|
                                          EXT4_FREE_BLOCKS_FORGET);
 
@@ -4875,7 +4875,7 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino)
                 return inode;
 
         ei = EXT4_I(inode);
-        iloc.bh = 0;
+        iloc.bh = NULL;
 
         ret = __ext4_get_inode_loc(inode, &iloc, 0);
         if (ret < 0)
diff --git a/fs/ext4/migrate.c b/fs/ext4/migrate.c
index b0a126f23c20..d1bafa57f483 100644
--- a/fs/ext4/migrate.c
+++ b/fs/ext4/migrate.c
@@ -263,7 +263,7 @@ static int free_dind_blocks(handle_t *handle,
         for (i = 0; i < max_entries; i++) {
                 if (tmp_idata[i]) {
                         extend_credit_for_blkdel(handle, inode);
-                        ext4_free_blocks(handle, inode, 0,
+                        ext4_free_blocks(handle, inode, NULL,
                                          le32_to_cpu(tmp_idata[i]), 1,
                                          EXT4_FREE_BLOCKS_METADATA |
                                          EXT4_FREE_BLOCKS_FORGET);
@@ -271,7 +271,7 @@ static int free_dind_blocks(handle_t *handle,
         }
         put_bh(bh);
         extend_credit_for_blkdel(handle, inode);
-        ext4_free_blocks(handle, inode, 0, le32_to_cpu(i_data), 1,
+        ext4_free_blocks(handle, inode, NULL, le32_to_cpu(i_data), 1,
                          EXT4_FREE_BLOCKS_METADATA |
                          EXT4_FREE_BLOCKS_FORGET);
         return 0;
@@ -302,7 +302,7 @@ static int free_tind_blocks(handle_t *handle,
         }
         put_bh(bh);
         extend_credit_for_blkdel(handle, inode);
-        ext4_free_blocks(handle, inode, 0, le32_to_cpu(i_data), 1,
+        ext4_free_blocks(handle, inode, NULL, le32_to_cpu(i_data), 1,
                          EXT4_FREE_BLOCKS_METADATA |
                          EXT4_FREE_BLOCKS_FORGET);
         return 0;
@@ -315,7 +315,7 @@ static int free_ind_block(handle_t *handle, struct inode *inode, __le32 *i_data)
         /* ei->i_data[EXT4_IND_BLOCK] */
         if (i_data[0]) {
                 extend_credit_for_blkdel(handle, inode);
-                ext4_free_blocks(handle, inode, 0,
+                ext4_free_blocks(handle, inode, NULL,
                                 le32_to_cpu(i_data[0]), 1,
                                  EXT4_FREE_BLOCKS_METADATA |
                                  EXT4_FREE_BLOCKS_FORGET);
@@ -428,7 +428,7 @@ static int free_ext_idx(handle_t *handle, struct inode *inode,
         }
         put_bh(bh);
         extend_credit_for_blkdel(handle, inode);
-        ext4_free_blocks(handle, inode, 0, block, 1,
+        ext4_free_blocks(handle, inode, NULL, block, 1,
                          EXT4_FREE_BLOCKS_METADATA | EXT4_FREE_BLOCKS_FORGET);
         return retval;
 }
diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
index 955cc309142f..68d92a8f71d7 100644
--- a/fs/ext4/page-io.c
+++ b/fs/ext4/page-io.c
@@ -279,9 +279,9 @@ void ext4_io_submit(struct ext4_io_submit *io)
                 BUG_ON(bio_flagged(io->io_bio, BIO_EOPNOTSUPP));
                 bio_put(io->io_bio);
         }
-        io->io_bio = 0;
+        io->io_bio = NULL;
         io->io_op = 0;
-        io->io_end = 0;
+        io->io_end = NULL;
 }
 
 static int io_submit_init(struct ext4_io_submit *io,
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index f6a318f836b2..ef83457fd4ea 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1451,7 +1451,7 @@ static int parse_options(char *options, struct super_block *sb,
                  * Initialize args struct so we know whether arg was
                  * found; some options take optional arguments.
                  */
-                args[0].to = args[0].from = 0;
+                args[0].to = args[0].from = NULL;
                 token = match_token(p, tokens, args);
                 switch (token) {
                 case Opt_bsd_df:
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index fc32176eee39..f4c03af05d69 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -833,7 +833,7 @@ inserted:
                         new_bh = sb_getblk(sb, block);
                         if (!new_bh) {
 getblk_failed:
-                                ext4_free_blocks(handle, inode, 0, block, 1,
+                                ext4_free_blocks(handle, inode, NULL, block, 1,
                                                  EXT4_FREE_BLOCKS_METADATA);
                                 error = -EIO;
                                 goto cleanup;