#include <linux/time.h>
#include "reiserfs.h"
-// this contains item handlers for old item types: sd, direct,
-// indirect, directory
+/*
+ * this contains item handlers for old item types: sd, direct,
+ * indirect, directory
+ */
-/* and where are the comments? how about saying where we can find an
- explanation of each item handler method? -Hans */
+/*
+ * and where are the comments? how about saying where we can find an
+ * explanation of each item handler method? -Hans
+ */
-//////////////////////////////////////////////////////////////////////////////
-// stat data functions
-//
+/* stat data functions */
static int sd_bytes_number(struct item_head *ih, int block_size)
{
return 0;
static void sd_check_item(struct item_head *ih, char *item)
{
- // FIXME: type something here!
+ /* unused */
}
static int sd_create_vi(struct virtual_node *vn,
int is_affected, int insert_size)
{
vi->vi_index = TYPE_STAT_DATA;
- //vi->vi_type |= VI_TYPE_STAT_DATA;// not needed?
return 0;
}
.print_vi = sd_print_vi
};
-//////////////////////////////////////////////////////////////////////////////
-// direct item functions
-//
+/* direct item functions */
static int direct_bytes_number(struct item_head *ih, int block_size)
{
return ih_item_len(ih);
}
-// FIXME: this should probably switch to indirect as well
+/* FIXME: this should probably switch to indirect as well */
static void direct_decrement_key(struct cpu_key *key)
{
cpu_key_k_offset_dec(key);
{
int j = 0;
-// return;
+/* return; */
printk("\"");
while (j < ih_item_len(ih))
printk("%c", item[j++]);
static void direct_check_item(struct item_head *ih, char *item)
{
- // FIXME: type something here!
+ /* unused */
}
static int direct_create_vi(struct virtual_node *vn,
int is_affected, int insert_size)
{
vi->vi_index = TYPE_DIRECT;
- //vi->vi_type |= VI_TYPE_DIRECT;
return 0;
}
.print_vi = direct_print_vi
};
-//////////////////////////////////////////////////////////////////////////////
-// indirect item functions
-//
-
+/* indirect item functions */
static int indirect_bytes_number(struct item_head *ih, int block_size)
{
- return ih_item_len(ih) / UNFM_P_SIZE * block_size; //- get_ih_free_space (ih);
+ return ih_item_len(ih) / UNFM_P_SIZE * block_size;
}
-// decrease offset, if it becomes 0, change type to stat data
+/* decrease offset, if it becomes 0, change type to stat data */
static void indirect_decrement_key(struct cpu_key *key)
{
cpu_key_k_offset_dec(key);
set_cpu_key_k_type(key, TYPE_STAT_DATA);
}
-// if it is not first item of the body, then it is mergeable
+/* if it is not first item of the body, then it is mergeable */
static int indirect_is_left_mergeable(struct reiserfs_key *key,
unsigned long bsize)
{
return (le_key_k_offset(version, key) != 1);
}
-// printing of indirect item
+/* printing of indirect item */
static void start_new_sequence(__u32 * start, int *len, __u32 new)
{
*start = new;
static void indirect_check_item(struct item_head *ih, char *item)
{
- // FIXME: type something here!
+ /* unused */
}
static int indirect_create_vi(struct virtual_node *vn,
int is_affected, int insert_size)
{
vi->vi_index = TYPE_INDIRECT;
- //vi->vi_type |= VI_TYPE_INDIRECT;
return 0;
}
return indirect_check_left(vi, free, 0, 0);
}
-// return size in bytes of 'units' units. If first == 0 - calculate from the head (left), otherwise - from tail (right)
+/*
+ * return size in bytes of 'units' units. If first == 0 - calculate
+ * from the head (left), otherwise - from tail (right)
+ */
static int indirect_part_size(struct virtual_item *vi, int first, int units)
{
- // unit of indirect item is byte (yet)
+ /* unit of indirect item is byte (yet) */
return units;
}
static int indirect_unit_num(struct virtual_item *vi)
{
- // unit of indirect item is byte (yet)
+ /* unit of indirect item is byte (yet) */
return vi->vi_item_len - IH_SIZE;
}
.print_vi = indirect_print_vi
};
-//////////////////////////////////////////////////////////////////////////////
-// direntry functions
-//
-
+/* direntry functions */
static int direntry_bytes_number(struct item_head *ih, int block_size)
{
reiserfs_warning(NULL, "vs-16090",
deh = (struct reiserfs_de_head *)item;
- for (i = 0; i < I_ENTRY_COUNT(ih); i++, deh++) {
+ for (i = 0; i < ih_entry_count(ih); i++, deh++) {
namelen =
(i ? (deh_location(deh - 1)) : ih_item_len(ih)) -
deh_location(deh);
int i;
struct reiserfs_de_head *deh;
- // FIXME: type something here!
+ /* unused */
deh = (struct reiserfs_de_head *)item;
- for (i = 0; i < I_ENTRY_COUNT(ih); i++, deh++) {
+ for (i = 0; i < ih_entry_count(ih); i++, deh++) {
;
}
}
/*
* function returns old entry number in directory item in real node
- * using new entry number in virtual item in virtual node */
+ * using new entry number in virtual item in virtual node
+ */
static inline int old_entry_num(int is_affected, int virtual_entry_num,
int pos_in_item, int mode)
{
return virtual_entry_num - 1;
}
-/* Create an array of sizes of directory entries for virtual
- item. Return space used by an item. FIXME: no control over
- consuming of space used by this item handler */
+/*
+ * Create an array of sizes of directory entries for virtual
+ * item. Return space used by an item. FIXME: no control over
+ * consuming of space used by this item handler
+ */
static int direntry_create_vi(struct virtual_node *vn,
struct virtual_item *vi,
int is_affected, int insert_size)
}
-//
-// return number of entries which may fit into specified amount of
-// free space, or -1 if free space is not enough even for 1 entry
-//
+/*
+ * return number of entries which may fit into specified amount of
+ * free space, or -1 if free space is not enough even for 1 entry
+ */
static int direntry_check_left(struct virtual_item *vi, int free,
int start_skip, int end_skip)
{
struct direntry_uarea *dir_u = vi->vi_uarea;
for (i = start_skip; i < dir_u->entry_count - end_skip; i++) {
+ /* i-th entry doesn't fit into the remaining free space */
if (dir_u->entry_sizes[i] > free)
- /* i-th entry doesn't fit into the remaining free space */
break;
free -= dir_u->entry_sizes[i];
struct direntry_uarea *dir_u = vi->vi_uarea;
for (i = dir_u->entry_count - 1; i >= 0; i--) {
+ /* i-th entry doesn't fit into the remaining free space */
if (dir_u->entry_sizes[i] > free)
- /* i-th entry doesn't fit into the remaining free space */
break;
free -= dir_u->entry_sizes[i];
.print_vi = direntry_print_vi
};
-//////////////////////////////////////////////////////////////////////////////
-// Error catching functions to catch errors caused by incorrect item types.
-//
+/* Error catching functions to catch errors caused by incorrect item types. */
static int errcatch_bytes_number(struct item_head *ih, int block_size)
{
reiserfs_warning(NULL, "green-16001",
{
reiserfs_warning(NULL, "green-16006",
"Invalid item type observed, run fsck ASAP");
- return 0; // We might return -1 here as well, but it won't help as create_virtual_node() from where
- // this operation is called from is of return type void.
+ /*
+ * We might return -1 here as well, but it won't help as
+ * create_virtual_node() from where this operation is called
+ * from is of return type void.
+ */
+ return 0;
}
static int errcatch_check_left(struct virtual_item *vi, int free,
errcatch_print_vi
};
-//////////////////////////////////////////////////////////////////////////////
-//
-//
#if ! (TYPE_STAT_DATA == 0 && TYPE_INDIRECT == 1 && TYPE_DIRECT == 2 && TYPE_DIRENTRY == 3)
#error Item types must use disk-format assigned values.
#endif
projects / linux-2.6-block.git / blobdiff