f2fs: adjust kernel coding style

As pointed out by Randy Dunlap, this patch removes all usage of "/**" for comment
blocks. Instead, just use "/*".

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

fs/f2fs/acl.c

@@ -1,4 +1,4 @@
-/**
+/*
  * fs/f2fs/acl.c
  *
  * Copyright (c) 2012 Samsung Electronics Co., Ltd.

fs/f2fs/acl.h

@@ -1,4 +1,4 @@
-/**
+/*
  * fs/f2fs/acl.h
  *
  * Copyright (c) 2012 Samsung Electronics Co., Ltd.

fs/f2fs/checkpoint.c

@@ -1,4 +1,4 @@
-/**
+/*
  * fs/f2fs/checkpoint.c
  *
  * Copyright (c) 2012 Samsung Electronics Co., Ltd.
@@ -24,7 +24,7 @@
 static struct kmem_cache *orphan_entry_slab;
 static struct kmem_cache *inode_entry_slab;
 
-/**
+/*
  * We guarantee no failure on the returned page.
  */
 struct page *grab_meta_page(struct f2fs_sb_info *sbi, pgoff_t index)
@@ -44,7 +44,7 @@ repeat:
 	return page;
 }
 
-/**
+/*
  * We guarantee no failure on the returned page.
  */
 struct page *get_meta_page(struct f2fs_sb_info *sbi, pgoff_t index)
@@ -543,7 +543,7 @@ retry:
 	goto retry;
 }
 
-/**
+/*
  * Freeze all the FS-operations for checkpoint.
  */
 void block_operations(struct f2fs_sb_info *sbi)
@@ -727,7 +727,7 @@ static void do_checkpoint(struct f2fs_sb_info *sbi, bool is_umount)
 	F2FS_RESET_SB_DIRT(sbi);
 }
 
-/**
+/*
  * We guarantee that this checkpoint procedure should not fail.
  */
 void write_checkpoint(struct f2fs_sb_info *sbi, bool blocked, bool is_umount)

fs/f2fs/data.c

@@ -1,4 +1,4 @@
-/**
+/*
  * fs/f2fs/data.c
  *
  * Copyright (c) 2012 Samsung Electronics Co., Ltd.
@@ -21,7 +21,7 @@
 #include "node.h"
 #include "segment.h"
 
-/**
+/*
  * Lock ordering for the change of data block address:
  * ->data_page
  *  ->node_page
@@ -207,7 +207,7 @@ struct page *find_data_page(struct inode *inode, pgoff_t index)
 	return page;
 }
 
-/**
+/*
  * If it tries to access a hole, return an error.
  * Because, the callers, functions in dir.c and GC, should be able to know
  * whether this page exists or not.
@@ -247,7 +247,7 @@ struct page *get_lock_data_page(struct inode *inode, pgoff_t index)
 	return page;
 }
 
-/**
+/*
  * Caller ensures that this data page is never allocated.
  * A new zero-filled data page is allocated in the page cache.
  */
@@ -322,7 +322,7 @@ static void read_end_io(struct bio *bio, int err)
 	bio_put(bio);
 }
 
-/**
+/*
  * Fill the locked page with data located in the block address.
  * Read operation is synchronous, and caller must unlock the page.
  */
@@ -367,7 +367,7 @@ int f2fs_readpage(struct f2fs_sb_info *sbi, struct page *page,
 	return 0;
 }
 
-/**
+/*
  * This function should be used by the data read flow only where it
  * does not check the "create" flag that indicates block allocation.
  * The reason for this special functionality is to exploit VFS readahead

fs/f2fs/debug.c

@@ -1,4 +1,4 @@
-/**
+/*
  * f2fs debugging statistics
  *
  * Copyright (c) 2012 Samsung Electronics Co., Ltd.
@@ -78,7 +78,7 @@ static void update_general_status(struct f2fs_sb_info *sbi)
 	}
 }
 
-/**
+/*
  * This function calculates BDF of every segments
  */
 static void update_sit_info(struct f2fs_sb_info *sbi)
@@ -113,7 +113,7 @@ static void update_sit_info(struct f2fs_sb_info *sbi)
 		si->avg_vblocks = 0;
 }
 
-/**
+/*
  * This function calculates memory footprint.
  */
 static void update_mem_info(struct f2fs_sb_info *sbi)

fs/f2fs/dir.c

@@ -1,4 +1,4 @@
-/**
+/*
  * fs/f2fs/dir.c
  *
  * Copyright (c) 2012 Samsung Electronics Co., Ltd.
@@ -453,7 +453,7 @@ fail:
 	return err;
 }
 
-/**
+/*
  * It only removes the dentry from the dentry page,corresponding name
  * entry in name page does not need to be touched during deletion.
  */

fs/f2fs/f2fs.h

@@ -1,4 +1,4 @@
-/**
+/*
  * fs/f2fs/f2fs.h
  *
  * Copyright (c) 2012 Samsung Electronics Co., Ltd.

fs/f2fs/file.c

@@ -1,4 +1,4 @@
-/**
+/*
  * fs/f2fs/file.c
  *
  * Copyright (c) 2012 Samsung Electronics Co., Ltd.

fs/f2fs/gc.c

@@ -1,4 +1,4 @@
-/**
+/*
  * fs/f2fs/gc.c
  *
  * Copyright (c) 2012 Samsung Electronics Co., Ltd.
@@ -213,7 +213,7 @@ static unsigned int get_gc_cost(struct f2fs_sb_info *sbi, unsigned int segno,
 		return get_cb_cost(sbi, segno);
 }
 
-/**
+/*
  * This function is called from two pathes.
  * One is garbage collection and the other is SSR segment selection.
  * When it is called during GC, it just gets a victim segment
@@ -359,7 +359,7 @@ static int check_valid_map(struct f2fs_sb_info *sbi,
 	return ret ? GC_OK : GC_NEXT;
 }
 
-/**
+/*
  * This function compares node address got in summary with that in NAT.
  * On validity, copy that node with cold status, otherwise (invalid node)
  * ignore that.
@@ -425,7 +425,7 @@ next_step:
 	return GC_DONE;
 }
 
-/**
+/*
  * Calculate start block index that this node page contains
  */
 block_t start_bidx_of_node(unsigned int node_ofs)
@@ -516,7 +516,7 @@ out:
 	f2fs_put_page(page, 1);
 }
 
-/**
+/*
  * This function tries to get parent node of victim data block, and identifies
  * data block validity. If the block is valid, copy that with cold status and
  * modify parent node.

fs/f2fs/gc.h

@@ -1,4 +1,4 @@
-/**
+/*
  * fs/f2fs/gc.h
  *
  * Copyright (c) 2012 Samsung Electronics Co., Ltd.
@@ -42,7 +42,7 @@ struct inode_entry {
 	struct inode *inode;
 };
 
-/**
+/*
  * inline functions
  */
 static inline block_t free_user_blocks(struct f2fs_sb_info *sbi)

fs/f2fs/hash.c

@@ -1,4 +1,4 @@
-/**
+/*
  * fs/f2fs/hash.c
  *
  * Copyright (c) 2012 Samsung Electronics Co., Ltd.

fs/f2fs/inode.c

@@ -1,4 +1,4 @@
-/**
+/*
  * fs/f2fs/inode.c
  *
  * Copyright (c) 2012 Samsung Electronics Co., Ltd.
@@ -235,7 +235,7 @@ int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc)
 	return 0;
 }
 
-/**
+/*
  * Called at the last iput() if i_nlink is zero
  */
 void f2fs_evict_inode(struct inode *inode)

fs/f2fs/namei.c

@@ -1,4 +1,4 @@
-/**
+/*
  * fs/f2fs/namei.c
  *
  * Copyright (c) 2012 Samsung Electronics Co., Ltd.
@@ -96,7 +96,7 @@ static int is_multimedia_file(const unsigned char *s, const char *sub)
 	return ret;
 }
 
-/**
+/*
  * Set multimedia files as cold files for hot/cold data separation
  */
 static inline void set_cold_file(struct f2fs_sb_info *sbi, struct inode *inode,

fs/f2fs/node.c

@@ -1,4 +1,4 @@
-/**
+/*
  * fs/f2fs/node.c
  *
  * Copyright (c) 2012 Samsung Electronics Co., Ltd.
@@ -81,7 +81,7 @@ static struct page *get_next_nat_page(struct f2fs_sb_info *sbi, nid_t nid)
 	return dst_page;
 }
 
-/**
+/*
  * Readahead NAT pages
  */
 static void ra_nat_pages(struct f2fs_sb_info *sbi, int nid)
@@ -251,7 +251,7 @@ static int try_to_free_nats(struct f2fs_sb_info *sbi, int nr_shrink)
 	return nr_shrink;
 }
 
-/**
+/*
  * This function returns always success
  */
 void get_node_info(struct f2fs_sb_info *sbi, nid_t nid, struct node_info *ni)
@@ -302,7 +302,7 @@ cache:
 	cache_nat_entry(NM_I(sbi), nid, &ne);
 }
 
-/**
+/*
  * The maximum depth is four.
  * Offset[0] will have raw inode offset.
  */
@@ -649,7 +649,7 @@ fail:
 	return err;
 }
 
-/**
+/*
  * All the block addresses of data and nodes should be nullified.
  */
 int truncate_inode_blocks(struct inode *inode, pgoff_t from)
@@ -860,7 +860,7 @@ static int read_node_page(struct page *page, int type)
 	return f2fs_readpage(sbi, page, ni.blk_addr, type);
 }
 
-/**
+/*
  * Readahead a node page
  */
 void ra_node_page(struct f2fs_sb_info *sbi, nid_t nid)
@@ -910,7 +910,7 @@ struct page *get_node_page(struct f2fs_sb_info *sbi, pgoff_t nid)
 	return page;
 }
 
-/**
+/*
  * Return a locked page for the desired node page.
  * And, readahead MAX_RA_NODE number of node pages.
  */
@@ -1186,7 +1186,7 @@ static int f2fs_release_node_page(struct page *page, gfp_t wait)
 	return 0;
 }
 
-/**
+/*
  * Structure of the f2fs node operations
  */
 const struct address_space_operations f2fs_node_aops = {
@@ -1386,7 +1386,7 @@ retry:
 	return true;
 }
 
-/**
+/*
  * alloc_nid() should be called prior to this function.
  */
 void alloc_nid_done(struct f2fs_sb_info *sbi, nid_t nid)
@@ -1403,7 +1403,7 @@ void alloc_nid_done(struct f2fs_sb_info *sbi, nid_t nid)
 	spin_unlock(&nm_i->free_nid_list_lock);
 }
 
-/**
+/*
  * alloc_nid() should be called prior to this function.
  */
 void alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid)
@@ -1545,7 +1545,7 @@ retry:
 	return true;
 }
 
-/**
+/*
  * This function is called during the checkpointing process.
  */
 void flush_nat_entries(struct f2fs_sb_info *sbi)

fs/f2fs/node.h

@@ -1,4 +1,4 @@
-/**
+/*
  * fs/f2fs/node.h
  *
  * Copyright (c) 2012 Samsung Electronics Co., Ltd.

fs/f2fs/recovery.c

@@ -1,4 +1,4 @@
-/**
+/*
  * fs/f2fs/recovery.c
  *
  * Copyright (c) 2012 Samsung Electronics Co., Ltd.

fs/f2fs/segment.c

@@ -1,4 +1,4 @@
-/**
+/*
  * fs/f2fs/segment.c
  *
  * Copyright (c) 2012 Samsung Electronics Co., Ltd.
@@ -36,7 +36,7 @@ static int need_to_flush(struct f2fs_sb_info *sbi)
 	return 0;
 }
 
-/**
+/*
  * This function balances dirty node and dentry pages.
  * In addition, it controls garbage collection.
  */
@@ -105,7 +105,7 @@ static void __remove_dirty_segment(struct f2fs_sb_info *sbi, unsigned int segno,
 	}
 }
 
-/**
+/*
  * Should not occur error such as -ENOMEM.
  * Adding dirty entry into seglist is not critical operation.
  * If a given segment is one of current working segments, it won't be added.
@@ -136,7 +136,7 @@ void locate_dirty_segment(struct f2fs_sb_info *sbi, unsigned int segno)
 	return;
 }
 
-/**
+/*
  * Should call clear_prefree_segments after checkpoint is done.
  */
 static void set_prefree_as_free_segments(struct f2fs_sb_info *sbi)
@@ -269,7 +269,7 @@ void invalidate_blocks(struct f2fs_sb_info *sbi, block_t addr)
 	mutex_unlock(&sit_i->sentry_lock);
 }
 
-/**
+/*
  * This function should be resided under the curseg_mutex lock
  */
 static void __add_sum_entry(struct f2fs_sb_info *sbi, int type,
@@ -282,7 +282,7 @@ static void __add_sum_entry(struct f2fs_sb_info *sbi, int type,
 	return;
 }
 
-/**
+/*
  * Calculate the number of current summary pages for writing
  */
 int npages_for_summary_flush(struct f2fs_sb_info *sbi)
@@ -309,7 +309,7 @@ int npages_for_summary_flush(struct f2fs_sb_info *sbi)
 	return 3;
 }
 
-/**
+/*
  * Caller should put this summary page
  */
 struct page *get_sum_page(struct f2fs_sb_info *sbi, unsigned int segno)
@@ -371,7 +371,7 @@ next:
 	return NULL_SEGNO;
 }
 
-/**
+/*
  * Find a new segment from the free segments bitmap to right order
  * This function should be returned with success, otherwise BUG
  */
@@ -483,7 +483,7 @@ static void reset_curseg(struct f2fs_sb_info *sbi, int type, int modified)
 	__set_sit_entry_type(sbi, type, curseg->segno, modified);
 }
 
-/**
+/*
  * Allocate a current working segment.
  * This function always allocates a free segment in LFS manner.
  */
@@ -520,7 +520,7 @@ static void __next_free_blkoff(struct f2fs_sb_info *sbi,
 	seg->next_blkoff = ofs;
 }
 
-/**
+/*
  * If a segment is written by LFS manner, next block offset is just obtained
  * by increasing the current block offset. However, if a segment is written by
  * SSR manner, next block offset obtained by calling __next_free_blkoff
@@ -534,7 +534,7 @@ static void __refresh_next_blkoff(struct f2fs_sb_info *sbi,
 		seg->next_blkoff++;
 }
 
-/**
+/*
  * This function always allocates a used segment (from dirty seglist) by SSR
  * manner, so it should recover the existing segment information of valid blocks
  */
@@ -1310,7 +1310,7 @@ static bool flush_sits_in_journal(struct f2fs_sb_info *sbi)
 	return 0;
 }
 
-/**
+/*
  * CP calls this function, which flushes SIT entries including sit_journal,
  * and moves prefree segs to free segs.
  */
@@ -1624,7 +1624,7 @@ static int build_dirty_segmap(struct f2fs_sb_info *sbi)
 	return init_victim_segmap(sbi);
 }
 
-/**
+/*
  * Update min, max modified time for cost-benefit GC algorithm
  */
 static void init_min_max_mtime(struct f2fs_sb_info *sbi)

fs/f2fs/segment.h

@@ -1,4 +1,4 @@
-/**
+/*
  * fs/f2fs/segment.h
  *
  * Copyright (c) 2012 Samsung Electronics Co., Ltd.

fs/f2fs/super.c

@@ -1,4 +1,4 @@
-/**
+/*
  * fs/f2fs/super.c
  *
  * Copyright (c) 2012 Samsung Electronics Co., Ltd.

fs/f2fs/xattr.c

@@ -1,4 +1,4 @@
-/**
+/*
  * fs/f2fs/xattr.c
  *
  * Copyright (c) 2012 Samsung Electronics Co., Ltd.

fs/f2fs/xattr.h

@@ -1,4 +1,4 @@
-/**
+/*
  * fs/f2fs/xattr.h
  *
  * Copyright (c) 2012 Samsung Electronics Co., Ltd.
@@ -77,7 +77,7 @@ struct f2fs_xattr_entry {
 #define MAX_VALUE_LEN	(MIN_OFFSET - sizeof(struct f2fs_xattr_header) - \
 			sizeof(struct f2fs_xattr_entry))
 
-/**
+/*
  * On-disk structure of f2fs_xattr
  * We use only 1 block for xattr.
  *