aboutsummaryrefslogtreecommitdiff
path: root/fs/reiserfs/item_ops.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/reiserfs/item_ops.c')
-rw-r--r--fs/reiserfs/item_ops.c178
1 files changed, 90 insertions, 88 deletions
diff --git a/fs/reiserfs/item_ops.c b/fs/reiserfs/item_ops.c
index 9475557ab49..cfaee912ee0 100644
--- a/fs/reiserfs/item_ops.c
+++ b/fs/reiserfs/item_ops.c
@@ -3,17 +3,19 @@
*/
#include <linux/time.h>
-#include <linux/reiserfs_fs.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;
@@ -60,7 +62,7 @@ static void sd_print_item(struct item_head *ih, char *item)
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,
@@ -68,7 +70,6 @@ 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;
}
@@ -97,7 +98,8 @@ static int sd_unit_num(struct virtual_item *vi)
static void sd_print_vi(struct virtual_item *vi)
{
- reiserfs_warning(NULL, "STATDATA, index %d, type 0x%x, %h",
+ reiserfs_warning(NULL, "reiserfs-16100",
+ "STATDATA, index %d, type 0x%x, %h",
vi->vi_index, vi->vi_type, vi->vi_ih);
}
@@ -116,15 +118,13 @@ static struct item_operations stat_data_ops = {
.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);
@@ -143,7 +143,7 @@ static void direct_print_item(struct item_head *ih, char *item)
{
int j = 0;
-// return;
+/* return; */
printk("\"");
while (j < ih_item_len(ih))
printk("%c", item[j++]);
@@ -152,7 +152,7 @@ static void direct_print_item(struct item_head *ih, char *item)
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,
@@ -160,7 +160,6 @@ 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;
}
@@ -190,7 +189,8 @@ static int direct_unit_num(struct virtual_item *vi)
static void direct_print_vi(struct virtual_item *vi)
{
- reiserfs_warning(NULL, "DIRECT, index %d, type 0x%x, %h",
+ reiserfs_warning(NULL, "reiserfs-16101",
+ "DIRECT, index %d, type 0x%x, %h",
vi->vi_index, vi->vi_type, vi->vi_ih);
}
@@ -209,16 +209,13 @@ static struct item_operations direct_ops = {
.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);
@@ -226,7 +223,7 @@ static void indirect_decrement_key(struct cpu_key *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)
{
@@ -234,7 +231,7 @@ static int indirect_is_left_mergeable(struct reiserfs_key *key,
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;
@@ -278,7 +275,7 @@ static void indirect_print_item(struct item_head *ih, char *item)
unp = (__le32 *) item;
if (ih_item_len(ih) % UNFM_P_SIZE)
- reiserfs_warning(NULL, "indirect_print_item: invalid item len");
+ reiserfs_warning(NULL, "reiserfs-16102", "invalid item len");
printk("%d pointers\n[ ", (int)I_UNFM_NUM(ih));
for (j = 0; j < I_UNFM_NUM(ih); j++) {
@@ -293,7 +290,7 @@ static void indirect_print_item(struct item_head *ih, char *item)
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,
@@ -301,7 +298,6 @@ 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;
}
@@ -319,22 +315,26 @@ static int indirect_check_right(struct virtual_item *vi, int free)
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;
}
static void indirect_print_vi(struct virtual_item *vi)
{
- reiserfs_warning(NULL, "INDIRECT, index %d, type 0x%x, %h",
+ reiserfs_warning(NULL, "reiserfs-16103",
+ "INDIRECT, index %d, type 0x%x, %h",
vi->vi_index, vi->vi_type, vi->vi_ih);
}
@@ -353,13 +353,10 @@ static struct item_operations indirect_ops = {
.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: direntry_bytes_number: "
+ reiserfs_warning(NULL, "vs-16090",
"bytes number is asked for direntry");
return 0;
}
@@ -393,7 +390,7 @@ static void direntry_print_item(struct item_head *ih, char *item)
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);
@@ -425,9 +422,9 @@ static void direntry_check_item(struct item_head *ih, char *item)
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++) {
;
}
}
@@ -436,7 +433,8 @@ static void direntry_check_item(struct item_head *ih, char *item)
/*
* 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)
{
@@ -460,9 +458,11 @@ static inline int old_entry_num(int is_affected, int virtual_entry_num,
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)
@@ -491,8 +491,8 @@ static int direntry_create_vi(struct virtual_node *vn,
j = old_entry_num(is_affected, i, vn->vn_pos_in_item,
vn->vn_mode);
dir_u->entry_sizes[i] =
- (j ? deh_location(&(deh[j - 1])) : ih_item_len(vi->vi_ih)) -
- deh_location(&(deh[j])) + DEH_SIZE;
+ (j ? deh_location(&deh[j - 1]) : ih_item_len(vi->vi_ih)) -
+ deh_location(&deh[j]) + DEH_SIZE;
}
size += (dir_u->entry_count * sizeof(short));
@@ -514,8 +514,9 @@ static int direntry_create_vi(struct virtual_node *vn,
((is_affected
&& (vn->vn_mode == M_PASTE
|| vn->vn_mode == M_CUT)) ? insert_size : 0)) {
- reiserfs_panic(NULL,
- "vs-8025: set_entry_sizes: (mode==%c, insert_size==%d), invalid length of directory item",
+ reiserfs_panic(NULL, "vs-8025", "(mode==%c, "
+ "insert_size==%d), invalid length of "
+ "directory item",
vn->vn_mode, insert_size);
}
}
@@ -525,10 +526,10 @@ static int direntry_create_vi(struct virtual_node *vn,
}
-//
-// 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)
{
@@ -537,8 +538,8 @@ static int direntry_check_left(struct virtual_item *vi, int free,
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];
@@ -546,7 +547,8 @@ static int direntry_check_left(struct virtual_item *vi, int free,
}
if (entries == dir_u->entry_count) {
- reiserfs_panic(NULL, "free space %d, entry_count %d\n", free,
+ reiserfs_panic(NULL, "item_ops-1",
+ "free space %d, entry_count %d", free,
dir_u->entry_count);
}
@@ -565,8 +567,8 @@ static int direntry_check_right(struct virtual_item *vi, int free)
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];
@@ -614,7 +616,8 @@ static void direntry_print_vi(struct virtual_item *vi)
int i;
struct direntry_uarea *dir_u = vi->vi_uarea;
- reiserfs_warning(NULL, "DIRENTRY, index %d, type 0x%x, %h, flags 0x%x",
+ reiserfs_warning(NULL, "reiserfs-16104",
+ "DIRENTRY, index %d, type 0x%x, %h, flags 0x%x",
vi->vi_index, vi->vi_type, vi->vi_ih, dir_u->flags);
printk("%d entries: ", dir_u->entry_count);
for (i = 0; i < dir_u->entry_count; i++)
@@ -637,85 +640,87 @@ static struct item_operations direntry_ops = {
.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: Invalid item type observed, run fsck ASAP");
+ reiserfs_warning(NULL, "green-16001",
+ "Invalid item type observed, run fsck ASAP");
return 0;
}
static void errcatch_decrement_key(struct cpu_key *key)
{
- reiserfs_warning(NULL,
- "green-16002: Invalid item type observed, run fsck ASAP");
+ reiserfs_warning(NULL, "green-16002",
+ "Invalid item type observed, run fsck ASAP");
}
static int errcatch_is_left_mergeable(struct reiserfs_key *key,
unsigned long bsize)
{
- reiserfs_warning(NULL,
- "green-16003: Invalid item type observed, run fsck ASAP");
+ reiserfs_warning(NULL, "green-16003",
+ "Invalid item type observed, run fsck ASAP");
return 0;
}
static void errcatch_print_item(struct item_head *ih, char *item)
{
- reiserfs_warning(NULL,
- "green-16004: Invalid item type observed, run fsck ASAP");
+ reiserfs_warning(NULL, "green-16004",
+ "Invalid item type observed, run fsck ASAP");
}
static void errcatch_check_item(struct item_head *ih, char *item)
{
- reiserfs_warning(NULL,
- "green-16005: Invalid item type observed, run fsck ASAP");
+ reiserfs_warning(NULL, "green-16005",
+ "Invalid item type observed, run fsck ASAP");
}
static int errcatch_create_vi(struct virtual_node *vn,
struct virtual_item *vi,
int is_affected, int insert_size)
{
- 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.
+ reiserfs_warning(NULL, "green-16006",
+ "Invalid item type observed, run fsck ASAP");
+ /*
+ * 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,
int start_skip, int end_skip)
{
- reiserfs_warning(NULL,
- "green-16007: Invalid item type observed, run fsck ASAP");
+ reiserfs_warning(NULL, "green-16007",
+ "Invalid item type observed, run fsck ASAP");
return -1;
}
static int errcatch_check_right(struct virtual_item *vi, int free)
{
- reiserfs_warning(NULL,
- "green-16008: Invalid item type observed, run fsck ASAP");
+ reiserfs_warning(NULL, "green-16008",
+ "Invalid item type observed, run fsck ASAP");
return -1;
}
static int errcatch_part_size(struct virtual_item *vi, int first, int count)
{
- reiserfs_warning(NULL,
- "green-16009: Invalid item type observed, run fsck ASAP");
+ reiserfs_warning(NULL, "green-16009",
+ "Invalid item type observed, run fsck ASAP");
return 0;
}
static int errcatch_unit_num(struct virtual_item *vi)
{
- reiserfs_warning(NULL,
- "green-16010: Invalid item type observed, run fsck ASAP");
+ reiserfs_warning(NULL, "green-16010",
+ "Invalid item type observed, run fsck ASAP");
return 0;
}
static void errcatch_print_vi(struct virtual_item *vi)
{
- reiserfs_warning(NULL,
- "green-16011: Invalid item type observed, run fsck ASAP");
+ reiserfs_warning(NULL, "green-16011",
+ "Invalid item type observed, run fsck ASAP");
}
static struct item_operations errcatch_ops = {
@@ -733,9 +738,6 @@ static struct item_operations errcatch_ops = {
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
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 07:10:14 +0000