1 files changed, 152 insertions, 151 deletions

diff --git a/fs/reiserfs/objectid.c b/fs/reiserfs/objectid.c
index bfe8e25..f62590a 100644
--- a/fs/reiserfs/objectid.c
+++ b/fs/reiserfs/objectid.c
@@ -14,24 +14,24 @@
                          (__le32 *)((struct reiserfs_super_block_v1 *)(rs) + 1) :\
 			 (__le32 *)((rs) + 1))
 
-
 #ifdef CONFIG_REISERFS_CHECK
 
-static void check_objectid_map (struct super_block * s, __le32 * map)
+static void check_objectid_map(struct super_block *s, __le32 * map)
 {
-    if (le32_to_cpu (map[0]) != 1)
-	reiserfs_panic (s, "vs-15010: check_objectid_map: map corrupted: %lx",
-			( long unsigned int ) le32_to_cpu (map[0]));
+	if (le32_to_cpu(map[0]) != 1)
+		reiserfs_panic(s,
+			       "vs-15010: check_objectid_map: map corrupted: %lx",
+			       (long unsigned int)le32_to_cpu(map[0]));
 
-    // FIXME: add something else here
+	// FIXME: add something else here
 }
 
 #else
-static void check_objectid_map (struct super_block * s, __le32 * map)
-{;}
+static void check_objectid_map(struct super_block *s, __le32 * map)
+{;
+}
 #endif
 
-
 /* When we allocate objectids we allocate the first unused objectid.
    Each sequence of objectids in use (the odd sequences) is followed
    by a sequence of objectids not in use (the even sequences).  We
@@ -46,161 +46,162 @@ static void check_objectid_map (struct super_block * s, __le32 * map)
    interesting optimizations of layout could result from complicating
    objectid assignment, but we have deferred making them for now. */
 
-
 /* get unique object identifier */
-__u32 reiserfs_get_unused_objectid (struct reiserfs_transaction_handle *th)
+__u32 reiserfs_get_unused_objectid(struct reiserfs_transaction_handle *th)
 {
-    struct super_block * s = th->t_super;
-    struct reiserfs_super_block * rs = SB_DISK_SUPER_BLOCK (s);
-    __le32 * map = objectid_map (s, rs);
-    __u32 unused_objectid;
-
-    BUG_ON (!th->t_trans_id);
+	struct super_block *s = th->t_super;
+	struct reiserfs_super_block *rs = SB_DISK_SUPER_BLOCK(s);
+	__le32 *map = objectid_map(s, rs);
+	__u32 unused_objectid;
+
+	BUG_ON(!th->t_trans_id);
+
+	check_objectid_map(s, map);
+
+	reiserfs_prepare_for_journal(s, SB_BUFFER_WITH_SB(s), 1);
+	/* comment needed -Hans */
+	unused_objectid = le32_to_cpu(map[1]);
+	if (unused_objectid == U32_MAX) {
+		reiserfs_warning(s, "%s: no more object ids", __FUNCTION__);
+		reiserfs_restore_prepared_buffer(s, SB_BUFFER_WITH_SB(s));
+		return 0;
+	}
 
-    check_objectid_map (s, map);
+	/* This incrementation allocates the first unused objectid. That
+	   is to say, the first entry on the objectid map is the first
+	   unused objectid, and by incrementing it we use it.  See below
+	   where we check to see if we eliminated a sequence of unused
+	   objectids.... */
+	map[1] = cpu_to_le32(unused_objectid + 1);
+
+	/* Now we check to see if we eliminated the last remaining member of
+	   the first even sequence (and can eliminate the sequence by
+	   eliminating its last objectid from oids), and can collapse the
+	   first two odd sequences into one sequence.  If so, then the net
+	   result is to eliminate a pair of objectids from oids.  We do this
+	   by shifting the entire map to the left. */
+	if (sb_oid_cursize(rs) > 2 && map[1] == map[2]) {
+		memmove(map + 1, map + 3,
+			(sb_oid_cursize(rs) - 3) * sizeof(__u32));
+		set_sb_oid_cursize(rs, sb_oid_cursize(rs) - 2);
+	}
 
-    reiserfs_prepare_for_journal(s, SB_BUFFER_WITH_SB(s), 1) ;
-                                /* comment needed -Hans */
-    unused_objectid = le32_to_cpu (map[1]);
-    if (unused_objectid == U32_MAX) {
-	reiserfs_warning (s, "%s: no more object ids", __FUNCTION__);
-	reiserfs_restore_prepared_buffer(s, SB_BUFFER_WITH_SB(s)) ;
-	return 0;
-    }
-
-    /* This incrementation allocates the first unused objectid. That
-       is to say, the first entry on the objectid map is the first
-       unused objectid, and by incrementing it we use it.  See below
-       where we check to see if we eliminated a sequence of unused
-       objectids.... */
-    map[1] = cpu_to_le32 (unused_objectid + 1);
-
-    /* Now we check to see if we eliminated the last remaining member of
-       the first even sequence (and can eliminate the sequence by
-       eliminating its last objectid from oids), and can collapse the
-       first two odd sequences into one sequence.  If so, then the net
-       result is to eliminate a pair of objectids from oids.  We do this
-       by shifting the entire map to the left. */
-    if (sb_oid_cursize(rs) > 2 && map[1] == map[2]) {
-	memmove (map + 1, map + 3, (sb_oid_cursize(rs) - 3) * sizeof(__u32));
-        set_sb_oid_cursize( rs, sb_oid_cursize(rs) - 2 );
-    }
-
-    journal_mark_dirty(th, s, SB_BUFFER_WITH_SB (s));
-    return unused_objectid;
+	journal_mark_dirty(th, s, SB_BUFFER_WITH_SB(s));
+	return unused_objectid;
 }
 
-
 /* makes object identifier unused */
-void reiserfs_release_objectid (struct reiserfs_transaction_handle *th, 
-				__u32 objectid_to_release)
+void reiserfs_release_objectid(struct reiserfs_transaction_handle *th,
+			       __u32 objectid_to_release)
 {
-    struct super_block * s = th->t_super;
-    struct reiserfs_super_block * rs = SB_DISK_SUPER_BLOCK (s);
-    __le32 * map = objectid_map (s, rs);
-    int i = 0;
-
-    BUG_ON (!th->t_trans_id);
-    //return;
-    check_objectid_map (s, map);
-
-    reiserfs_prepare_for_journal(s, SB_BUFFER_WITH_SB(s), 1) ;
-    journal_mark_dirty(th, s, SB_BUFFER_WITH_SB (s)); 
-
-    /* start at the beginning of the objectid map (i = 0) and go to
-       the end of it (i = disk_sb->s_oid_cursize).  Linear search is
-       what we use, though it is possible that binary search would be
-       more efficient after performing lots of deletions (which is
-       when oids is large.)  We only check even i's. */
-    while (i < sb_oid_cursize(rs)) {
-	if (objectid_to_release == le32_to_cpu (map[i])) {
-	    /* This incrementation unallocates the objectid. */
-	    //map[i]++;
-	    map[i] = cpu_to_le32 (le32_to_cpu (map[i]) + 1);
-
-	    /* Did we unallocate the last member of an odd sequence, and can shrink oids? */
-	    if (map[i] == map[i+1]) {
-		/* shrink objectid map */
-		memmove (map + i, map + i + 2, 
-			 (sb_oid_cursize(rs) - i - 2) * sizeof (__u32));
-		//disk_sb->s_oid_cursize -= 2;
-                set_sb_oid_cursize( rs, sb_oid_cursize(rs) - 2 );
-
-		RFALSE( sb_oid_cursize(rs) < 2 || 
-		        sb_oid_cursize(rs) > sb_oid_maxsize(rs),
-		        "vs-15005: objectid map corrupted cur_size == %d (max == %d)",
-                        sb_oid_cursize(rs), sb_oid_maxsize(rs));
-	    }
-	    return;
+	struct super_block *s = th->t_super;
+	struct reiserfs_super_block *rs = SB_DISK_SUPER_BLOCK(s);
+	__le32 *map = objectid_map(s, rs);
+	int i = 0;
+
+	BUG_ON(!th->t_trans_id);
+	//return;
+	check_objectid_map(s, map);
+
+	reiserfs_prepare_for_journal(s, SB_BUFFER_WITH_SB(s), 1);
+	journal_mark_dirty(th, s, SB_BUFFER_WITH_SB(s));
+
+	/* start at the beginning of the objectid map (i = 0) and go to
+	   the end of it (i = disk_sb->s_oid_cursize).  Linear search is
+	   what we use, though it is possible that binary search would be
+	   more efficient after performing lots of deletions (which is
+	   when oids is large.)  We only check even i's. */
+	while (i < sb_oid_cursize(rs)) {
+		if (objectid_to_release == le32_to_cpu(map[i])) {
+			/* This incrementation unallocates the objectid. */
+			//map[i]++;
+			map[i] = cpu_to_le32(le32_to_cpu(map[i]) + 1);
+
+			/* Did we unallocate the last member of an odd sequence, and can shrink oids? */
+			if (map[i] == map[i + 1]) {
+				/* shrink objectid map */
+				memmove(map + i, map + i + 2,
+					(sb_oid_cursize(rs) - i -
+					 2) * sizeof(__u32));
+				//disk_sb->s_oid_cursize -= 2;
+				set_sb_oid_cursize(rs, sb_oid_cursize(rs) - 2);
+
+				RFALSE(sb_oid_cursize(rs) < 2 ||
+				       sb_oid_cursize(rs) > sb_oid_maxsize(rs),
+				       "vs-15005: objectid map corrupted cur_size == %d (max == %d)",
+				       sb_oid_cursize(rs), sb_oid_maxsize(rs));
+			}
+			return;
+		}
+
+		if (objectid_to_release > le32_to_cpu(map[i]) &&
+		    objectid_to_release < le32_to_cpu(map[i + 1])) {
+			/* size of objectid map is not changed */
+			if (objectid_to_release + 1 == le32_to_cpu(map[i + 1])) {
+				//objectid_map[i+1]--;
+				map[i + 1] =
+				    cpu_to_le32(le32_to_cpu(map[i + 1]) - 1);
+				return;
+			}
+
+			/* JDM comparing two little-endian values for equality -- safe */
+			if (sb_oid_cursize(rs) == sb_oid_maxsize(rs)) {
+				/* objectid map must be expanded, but there is no space */
+				PROC_INFO_INC(s, leaked_oid);
+				return;
+			}
+
+			/* expand the objectid map */
+			memmove(map + i + 3, map + i + 1,
+				(sb_oid_cursize(rs) - i - 1) * sizeof(__u32));
+			map[i + 1] = cpu_to_le32(objectid_to_release);
+			map[i + 2] = cpu_to_le32(objectid_to_release + 1);
+			set_sb_oid_cursize(rs, sb_oid_cursize(rs) + 2);
+			return;
+		}
+		i += 2;
 	}
 
-	if (objectid_to_release > le32_to_cpu (map[i]) && 
-	    objectid_to_release < le32_to_cpu (map[i + 1])) {
-	    /* size of objectid map is not changed */
-	    if (objectid_to_release + 1 == le32_to_cpu (map[i + 1])) {
-		//objectid_map[i+1]--;
-		map[i + 1] = cpu_to_le32 (le32_to_cpu (map[i + 1]) - 1);
-		return;
-	    }
-
-            /* JDM comparing two little-endian values for equality -- safe */
-	if (sb_oid_cursize(rs) == sb_oid_maxsize(rs)) {
-		/* objectid map must be expanded, but there is no space */
-		PROC_INFO_INC( s, leaked_oid );
-		return;
-	}
+	reiserfs_warning(s,
+			 "vs-15011: reiserfs_release_objectid: tried to free free object id (%lu)",
+			 (long unsigned)objectid_to_release);
+}
 
-	    /* expand the objectid map*/
-	    memmove (map + i + 3, map + i + 1, 
-		     (sb_oid_cursize(rs) - i - 1) * sizeof(__u32));
-	    map[i + 1] = cpu_to_le32 (objectid_to_release);
-	    map[i + 2] = cpu_to_le32 (objectid_to_release + 1);
-            set_sb_oid_cursize( rs, sb_oid_cursize(rs) + 2 );
-	    return;
+int reiserfs_convert_objectid_map_v1(struct super_block *s)
+{
+	struct reiserfs_super_block *disk_sb = SB_DISK_SUPER_BLOCK(s);
+	int cur_size = sb_oid_cursize(disk_sb);
+	int new_size = (s->s_blocksize - SB_SIZE) / sizeof(__u32) / 2 * 2;
+	int old_max = sb_oid_maxsize(disk_sb);
+	struct reiserfs_super_block_v1 *disk_sb_v1;
+	__le32 *objectid_map, *new_objectid_map;
+	int i;
+
+	disk_sb_v1 =
+	    (struct reiserfs_super_block_v1 *)(SB_BUFFER_WITH_SB(s)->b_data);
+	objectid_map = (__le32 *) (disk_sb_v1 + 1);
+	new_objectid_map = (__le32 *) (disk_sb + 1);
+
+	if (cur_size > new_size) {
+		/* mark everyone used that was listed as free at the end of the objectid
+		 ** map 
+		 */
+		objectid_map[new_size - 1] = objectid_map[cur_size - 1];
+		set_sb_oid_cursize(disk_sb, new_size);
+	}
+	/* move the smaller objectid map past the end of the new super */
+	for (i = new_size - 1; i >= 0; i--) {
+		objectid_map[i + (old_max - new_size)] = objectid_map[i];
 	}
-	i += 2;
-    }
 
-    reiserfs_warning (s, "vs-15011: reiserfs_release_objectid: tried to free free object id (%lu)",
-		      ( long unsigned ) objectid_to_release);
-}
+	/* set the max size so we don't overflow later */
+	set_sb_oid_maxsize(disk_sb, new_size);
 
+	/* Zero out label and generate random UUID */
+	memset(disk_sb->s_label, 0, sizeof(disk_sb->s_label));
+	generate_random_uuid(disk_sb->s_uuid);
 
-int reiserfs_convert_objectid_map_v1(struct super_block *s) {
-    struct reiserfs_super_block *disk_sb = SB_DISK_SUPER_BLOCK (s);
-    int cur_size = sb_oid_cursize(disk_sb);
-    int new_size = (s->s_blocksize - SB_SIZE) / sizeof(__u32) / 2 * 2 ;
-    int old_max = sb_oid_maxsize(disk_sb);
-    struct reiserfs_super_block_v1 *disk_sb_v1 ;
-    __le32 *objectid_map, *new_objectid_map ;
-    int i ;
-
-    disk_sb_v1=(struct reiserfs_super_block_v1 *)(SB_BUFFER_WITH_SB(s)->b_data);
-    objectid_map = (__le32 *)(disk_sb_v1 + 1) ;
-    new_objectid_map = (__le32 *)(disk_sb + 1) ;
-
-    if (cur_size > new_size) {
-	/* mark everyone used that was listed as free at the end of the objectid
-	** map 
-	*/
-	objectid_map[new_size - 1] = objectid_map[cur_size - 1] ;
-	set_sb_oid_cursize(disk_sb,new_size) ;
-    }
-    /* move the smaller objectid map past the end of the new super */
-    for (i = new_size - 1 ; i >= 0 ; i--) {
-        objectid_map[i + (old_max - new_size)] = objectid_map[i] ; 
-    }
-
-
-    /* set the max size so we don't overflow later */
-    set_sb_oid_maxsize(disk_sb,new_size) ;
-
-    /* Zero out label and generate random UUID */
-    memset(disk_sb->s_label, 0, sizeof(disk_sb->s_label)) ;
-    generate_random_uuid(disk_sb->s_uuid);
-
-    /* finally, zero out the unused chunk of the new super */
-    memset(disk_sb->s_unused, 0, sizeof(disk_sb->s_unused)) ;
-    return 0 ;
+	/* finally, zero out the unused chunk of the new super */
+	memset(disk_sb->s_unused, 0, sizeof(disk_sb->s_unused));
+	return 0;
 }
-