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-rw-r--r--fs/reiserfs/item_ops.c977
1 files changed, 471 insertions, 506 deletions
diff --git a/fs/reiserfs/item_ops.c b/fs/reiserfs/item_ops.c
index e477aeba8c9..e237cd668e5 100644
--- a/fs/reiserfs/item_ops.c
+++ b/fs/reiserfs/item_ops.c
@@ -14,760 +14,729 @@
//////////////////////////////////////////////////////////////////////////////
// stat data functions
//
-static int sd_bytes_number (struct item_head * ih, int block_size)
+static int sd_bytes_number(struct item_head *ih, int block_size)
{
- return 0;
+ return 0;
}
-static void sd_decrement_key (struct cpu_key * key)
+static void sd_decrement_key(struct cpu_key *key)
{
- key->on_disk_key.k_objectid --;
- set_cpu_key_k_type (key, TYPE_ANY);
- set_cpu_key_k_offset(key, (loff_t)(-1));
+ key->on_disk_key.k_objectid--;
+ set_cpu_key_k_type(key, TYPE_ANY);
+ set_cpu_key_k_offset(key, (loff_t) (-1));
}
-static int sd_is_left_mergeable (struct reiserfs_key * key, unsigned long bsize)
+static int sd_is_left_mergeable(struct reiserfs_key *key, unsigned long bsize)
{
- return 0;
+ return 0;
}
-
-
-static char * print_time (time_t t)
+static char *print_time(time_t t)
{
- static char timebuf[256];
+ static char timebuf[256];
- sprintf (timebuf, "%ld", t);
- return timebuf;
+ sprintf(timebuf, "%ld", t);
+ return timebuf;
}
-
-static void sd_print_item (struct item_head * ih, char * item)
+static void sd_print_item(struct item_head *ih, char *item)
{
- printk ("\tmode | size | nlinks | first direct | mtime\n");
- if (stat_data_v1 (ih)) {
- struct stat_data_v1 * sd = (struct stat_data_v1 *)item;
+ printk("\tmode | size | nlinks | first direct | mtime\n");
+ if (stat_data_v1(ih)) {
+ struct stat_data_v1 *sd = (struct stat_data_v1 *)item;
- printk ("\t0%-6o | %6u | %2u | %d | %s\n", sd_v1_mode(sd),
- sd_v1_size(sd), sd_v1_nlink(sd), sd_v1_first_direct_byte(sd),
- print_time( sd_v1_mtime(sd) ) );
- } else {
- struct stat_data * sd = (struct stat_data *)item;
+ printk("\t0%-6o | %6u | %2u | %d | %s\n", sd_v1_mode(sd),
+ sd_v1_size(sd), sd_v1_nlink(sd),
+ sd_v1_first_direct_byte(sd),
+ print_time(sd_v1_mtime(sd)));
+ } else {
+ struct stat_data *sd = (struct stat_data *)item;
- printk ("\t0%-6o | %6Lu | %2u | %d | %s\n", sd_v2_mode(sd),
- (unsigned long long)sd_v2_size(sd), sd_v2_nlink(sd),
- sd_v2_rdev(sd), print_time(sd_v2_mtime(sd)));
- }
+ printk("\t0%-6o | %6Lu | %2u | %d | %s\n", sd_v2_mode(sd),
+ (unsigned long long)sd_v2_size(sd), sd_v2_nlink(sd),
+ sd_v2_rdev(sd), print_time(sd_v2_mtime(sd)));
+ }
}
-static void sd_check_item (struct item_head * ih, char * item)
+static void sd_check_item(struct item_head *ih, char *item)
{
- // FIXME: type something here!
+ // FIXME: type something here!
}
-
-static int sd_create_vi (struct virtual_node * vn,
- struct virtual_item * vi,
- int is_affected,
- int insert_size)
+static int sd_create_vi(struct virtual_node *vn,
+ struct virtual_item *vi,
+ int is_affected, int insert_size)
{
- vi->vi_index = TYPE_STAT_DATA;
- //vi->vi_type |= VI_TYPE_STAT_DATA;// not needed?
- return 0;
+ vi->vi_index = TYPE_STAT_DATA;
+ //vi->vi_type |= VI_TYPE_STAT_DATA;// not needed?
+ return 0;
}
-
-static int sd_check_left (struct virtual_item * vi, int free,
- int start_skip, int end_skip)
+static int sd_check_left(struct virtual_item *vi, int free,
+ int start_skip, int end_skip)
{
- if (start_skip || end_skip)
- BUG ();
- return -1;
+ if (start_skip || end_skip)
+ BUG();
+ return -1;
}
-
-static int sd_check_right (struct virtual_item * vi, int free)
+static int sd_check_right(struct virtual_item *vi, int free)
{
- return -1;
+ return -1;
}
-static int sd_part_size (struct virtual_item * vi, int first, int count)
+static int sd_part_size(struct virtual_item *vi, int first, int count)
{
- if (count)
- BUG ();
- return 0;
+ if (count)
+ BUG();
+ return 0;
}
-static int sd_unit_num (struct virtual_item * vi)
+static int sd_unit_num(struct virtual_item *vi)
{
- return vi->vi_item_len - IH_SIZE;
+ return vi->vi_item_len - IH_SIZE;
}
-
-static void sd_print_vi (struct virtual_item * vi)
+static void sd_print_vi(struct virtual_item *vi)
{
- reiserfs_warning (NULL, "STATDATA, index %d, type 0x%x, %h",
- vi->vi_index, vi->vi_type, vi->vi_ih);
+ reiserfs_warning(NULL, "STATDATA, index %d, type 0x%x, %h",
+ vi->vi_index, vi->vi_type, vi->vi_ih);
}
static struct item_operations stat_data_ops = {
- .bytes_number = sd_bytes_number,
- .decrement_key = sd_decrement_key,
- .is_left_mergeable = sd_is_left_mergeable,
- .print_item = sd_print_item,
- .check_item = sd_check_item,
-
- .create_vi = sd_create_vi,
- .check_left = sd_check_left,
- .check_right = sd_check_right,
- .part_size = sd_part_size,
- .unit_num = sd_unit_num,
- .print_vi = sd_print_vi
+ .bytes_number = sd_bytes_number,
+ .decrement_key = sd_decrement_key,
+ .is_left_mergeable = sd_is_left_mergeable,
+ .print_item = sd_print_item,
+ .check_item = sd_check_item,
+
+ .create_vi = sd_create_vi,
+ .check_left = sd_check_left,
+ .check_right = sd_check_right,
+ .part_size = sd_part_size,
+ .unit_num = sd_unit_num,
+ .print_vi = sd_print_vi
};
-
-
//////////////////////////////////////////////////////////////////////////////
// direct item functions
//
-static int direct_bytes_number (struct item_head * ih, int block_size)
+static int direct_bytes_number(struct item_head *ih, int block_size)
{
- return ih_item_len(ih);
+ return ih_item_len(ih);
}
-
// FIXME: this should probably switch to indirect as well
-static void direct_decrement_key (struct cpu_key * key)
+static void direct_decrement_key(struct cpu_key *key)
{
- cpu_key_k_offset_dec (key);
- if (cpu_key_k_offset (key) == 0)
- set_cpu_key_k_type (key, TYPE_STAT_DATA);
+ cpu_key_k_offset_dec(key);
+ if (cpu_key_k_offset(key) == 0)
+ set_cpu_key_k_type(key, TYPE_STAT_DATA);
}
-
-static int direct_is_left_mergeable (struct reiserfs_key * key, unsigned long bsize)
+static int direct_is_left_mergeable(struct reiserfs_key *key,
+ unsigned long bsize)
{
- int version = le_key_version (key);
- return ((le_key_k_offset (version, key) & (bsize - 1)) != 1);
+ int version = le_key_version(key);
+ return ((le_key_k_offset(version, key) & (bsize - 1)) != 1);
}
-
-static void direct_print_item (struct item_head * ih, char * item)
+static void direct_print_item(struct item_head *ih, char *item)
{
- int j = 0;
+ int j = 0;
// return;
- printk ("\"");
- while (j < ih_item_len(ih))
- printk ("%c", item[j++]);
- printk ("\"\n");
+ printk("\"");
+ while (j < ih_item_len(ih))
+ printk("%c", item[j++]);
+ printk("\"\n");
}
-
-static void direct_check_item (struct item_head * ih, char * item)
+static void direct_check_item(struct item_head *ih, char *item)
{
- // FIXME: type something here!
+ // FIXME: type something here!
}
-
-static int direct_create_vi (struct virtual_node * vn,
- struct virtual_item * vi,
- int is_affected,
- int insert_size)
+static int direct_create_vi(struct virtual_node *vn,
+ struct virtual_item *vi,
+ int is_affected, int insert_size)
{
- vi->vi_index = TYPE_DIRECT;
- //vi->vi_type |= VI_TYPE_DIRECT;
- return 0;
+ vi->vi_index = TYPE_DIRECT;
+ //vi->vi_type |= VI_TYPE_DIRECT;
+ return 0;
}
-static int direct_check_left (struct virtual_item * vi, int free,
- int start_skip, int end_skip)
+static int direct_check_left(struct virtual_item *vi, int free,
+ int start_skip, int end_skip)
{
- int bytes;
+ int bytes;
- bytes = free - free % 8;
- return bytes ?: -1;
+ bytes = free - free % 8;
+ return bytes ? : -1;
}
-
-static int direct_check_right (struct virtual_item * vi, int free)
+static int direct_check_right(struct virtual_item *vi, int free)
{
- return direct_check_left (vi, free, 0, 0);
+ return direct_check_left(vi, free, 0, 0);
}
-static int direct_part_size (struct virtual_item * vi, int first, int count)
+static int direct_part_size(struct virtual_item *vi, int first, int count)
{
- return count;
+ return count;
}
-
-static int direct_unit_num (struct virtual_item * vi)
+static int direct_unit_num(struct virtual_item *vi)
{
- return vi->vi_item_len - IH_SIZE;
+ return vi->vi_item_len - IH_SIZE;
}
-
-static void direct_print_vi (struct virtual_item * vi)
+static void direct_print_vi(struct virtual_item *vi)
{
- reiserfs_warning (NULL, "DIRECT, index %d, type 0x%x, %h",
- vi->vi_index, vi->vi_type, vi->vi_ih);
+ reiserfs_warning(NULL, "DIRECT, index %d, type 0x%x, %h",
+ vi->vi_index, vi->vi_type, vi->vi_ih);
}
static struct item_operations direct_ops = {
- .bytes_number = direct_bytes_number,
- .decrement_key = direct_decrement_key,
- .is_left_mergeable = direct_is_left_mergeable,
- .print_item = direct_print_item,
- .check_item = direct_check_item,
-
- .create_vi = direct_create_vi,
- .check_left = direct_check_left,
- .check_right = direct_check_right,
- .part_size = direct_part_size,
- .unit_num = direct_unit_num,
- .print_vi = direct_print_vi
+ .bytes_number = direct_bytes_number,
+ .decrement_key = direct_decrement_key,
+ .is_left_mergeable = direct_is_left_mergeable,
+ .print_item = direct_print_item,
+ .check_item = direct_check_item,
+
+ .create_vi = direct_create_vi,
+ .check_left = direct_check_left,
+ .check_right = direct_check_right,
+ .part_size = direct_part_size,
+ .unit_num = direct_unit_num,
+ .print_vi = direct_print_vi
};
-
-
//////////////////////////////////////////////////////////////////////////////
// indirect item functions
//
-static int indirect_bytes_number (struct item_head * ih, int block_size)
+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; //- get_ih_free_space (ih);
}
-
// decrease offset, if it becomes 0, change type to stat data
-static void indirect_decrement_key (struct cpu_key * key)
+static void indirect_decrement_key(struct cpu_key *key)
{
- cpu_key_k_offset_dec (key);
- if (cpu_key_k_offset (key) == 0)
- set_cpu_key_k_type (key, TYPE_STAT_DATA);
+ cpu_key_k_offset_dec(key);
+ if (cpu_key_k_offset(key) == 0)
+ set_cpu_key_k_type(key, TYPE_STAT_DATA);
}
-
// 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)
+static int indirect_is_left_mergeable(struct reiserfs_key *key,
+ unsigned long bsize)
{
- int version = le_key_version (key);
- return (le_key_k_offset (version, key) != 1);
+ int version = le_key_version(key);
+ return (le_key_k_offset(version, key) != 1);
}
-
// printing of indirect item
-static void start_new_sequence (__u32 * start, int * len, __u32 new)
+static void start_new_sequence(__u32 * start, int *len, __u32 new)
{
- *start = new;
- *len = 1;
+ *start = new;
+ *len = 1;
}
-
-static int sequence_finished (__u32 start, int * len, __u32 new)
+static int sequence_finished(__u32 start, int *len, __u32 new)
{
- if (start == INT_MAX)
- return 1;
+ if (start == INT_MAX)
+ return 1;
- if (start == 0 && new == 0) {
- (*len) ++;
- return 0;
- }
- if (start != 0 && (start + *len) == new) {
- (*len) ++;
- return 0;
- }
- return 1;
+ if (start == 0 && new == 0) {
+ (*len)++;
+ return 0;
+ }
+ if (start != 0 && (start + *len) == new) {
+ (*len)++;
+ return 0;
+ }
+ return 1;
}
-static void print_sequence (__u32 start, int len)
+static void print_sequence(__u32 start, int len)
{
- if (start == INT_MAX)
- return;
+ if (start == INT_MAX)
+ return;
- if (len == 1)
- printk (" %d", start);
- else
- printk (" %d(%d)", start, len);
+ if (len == 1)
+ printk(" %d", start);
+ else
+ printk(" %d(%d)", start, len);
}
-
-static void indirect_print_item (struct item_head * ih, char * item)
+static void indirect_print_item(struct item_head *ih, char *item)
{
- int j;
- __le32 * unp;
- __u32 prev = INT_MAX;
- int num;
+ int j;
+ __le32 *unp;
+ __u32 prev = INT_MAX;
+ int num;
- unp = (__le32 *)item;
+ unp = (__le32 *) item;
- if (ih_item_len(ih) % UNFM_P_SIZE)
- reiserfs_warning (NULL, "indirect_print_item: invalid item len");
+ if (ih_item_len(ih) % UNFM_P_SIZE)
+ reiserfs_warning(NULL, "indirect_print_item: invalid item len");
- printk ("%d pointers\n[ ", (int)I_UNFM_NUM (ih));
- for (j = 0; j < I_UNFM_NUM (ih); j ++) {
- if (sequence_finished (prev, &num, get_block_num(unp, j))) {
- print_sequence (prev, num);
- start_new_sequence (&prev, &num, get_block_num(unp, j));
+ printk("%d pointers\n[ ", (int)I_UNFM_NUM(ih));
+ for (j = 0; j < I_UNFM_NUM(ih); j++) {
+ if (sequence_finished(prev, &num, get_block_num(unp, j))) {
+ print_sequence(prev, num);
+ start_new_sequence(&prev, &num, get_block_num(unp, j));
+ }
}
- }
- print_sequence (prev, num);
- printk ("]\n");
+ print_sequence(prev, num);
+ printk("]\n");
}
-static void indirect_check_item (struct item_head * ih, char * item)
+static void indirect_check_item(struct item_head *ih, char *item)
{
- // FIXME: type something here!
+ // FIXME: type something here!
}
-
-static int indirect_create_vi (struct virtual_node * vn,
- struct virtual_item * vi,
- int is_affected,
- int insert_size)
+static int indirect_create_vi(struct virtual_node *vn,
+ struct virtual_item *vi,
+ int is_affected, int insert_size)
{
- vi->vi_index = TYPE_INDIRECT;
- //vi->vi_type |= VI_TYPE_INDIRECT;
- return 0;
+ vi->vi_index = TYPE_INDIRECT;
+ //vi->vi_type |= VI_TYPE_INDIRECT;
+ return 0;
}
-static int indirect_check_left (struct virtual_item * vi, int free,
- int start_skip, int end_skip)
+static int indirect_check_left(struct virtual_item *vi, int free,
+ int start_skip, int end_skip)
{
- int bytes;
+ int bytes;
- bytes = free - free % UNFM_P_SIZE;
- return bytes ?: -1;
+ bytes = free - free % UNFM_P_SIZE;
+ return bytes ? : -1;
}
-
-static int indirect_check_right (struct virtual_item * vi, int free)
+static int indirect_check_right(struct virtual_item *vi, int free)
{
- return indirect_check_left (vi, free, 0, 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)
-static int indirect_part_size (struct virtual_item * vi, int first, int units)
+static int indirect_part_size(struct virtual_item *vi, int first, int units)
{
- // unit of indirect item is byte (yet)
- return units;
+ // unit of indirect item is byte (yet)
+ return units;
}
-static int indirect_unit_num (struct virtual_item * vi)
+static int indirect_unit_num(struct virtual_item *vi)
{
- // unit of indirect item is byte (yet)
- return vi->vi_item_len - IH_SIZE;
+ // unit of indirect item is byte (yet)
+ return vi->vi_item_len - IH_SIZE;
}
-static void indirect_print_vi (struct virtual_item * vi)
+static void indirect_print_vi(struct virtual_item *vi)
{
- reiserfs_warning (NULL, "INDIRECT, index %d, type 0x%x, %h",
- vi->vi_index, vi->vi_type, vi->vi_ih);
+ reiserfs_warning(NULL, "INDIRECT, index %d, type 0x%x, %h",
+ vi->vi_index, vi->vi_type, vi->vi_ih);
}
static struct item_operations indirect_ops = {
- .bytes_number = indirect_bytes_number,
- .decrement_key = indirect_decrement_key,
- .is_left_mergeable = indirect_is_left_mergeable,
- .print_item = indirect_print_item,
- .check_item = indirect_check_item,
-
- .create_vi = indirect_create_vi,
- .check_left = indirect_check_left,
- .check_right = indirect_check_right,
- .part_size = indirect_part_size,
- .unit_num = indirect_unit_num,
- .print_vi = indirect_print_vi
+ .bytes_number = indirect_bytes_number,
+ .decrement_key = indirect_decrement_key,
+ .is_left_mergeable = indirect_is_left_mergeable,
+ .print_item = indirect_print_item,
+ .check_item = indirect_check_item,
+
+ .create_vi = indirect_create_vi,
+ .check_left = indirect_check_left,
+ .check_right = indirect_check_right,
+ .part_size = indirect_part_size,
+ .unit_num = indirect_unit_num,
+ .print_vi = indirect_print_vi
};
-
//////////////////////////////////////////////////////////////////////////////
// direntry functions
//
-
-static int direntry_bytes_number (struct item_head * ih, int block_size)
+static int direntry_bytes_number(struct item_head *ih, int block_size)
{
- reiserfs_warning (NULL, "vs-16090: direntry_bytes_number: "
- "bytes number is asked for direntry");
- return 0;
-}
-
-static void direntry_decrement_key (struct cpu_key * key)
-{
- cpu_key_k_offset_dec (key);
- if (cpu_key_k_offset (key) == 0)
- set_cpu_key_k_type (key, TYPE_STAT_DATA);
+ reiserfs_warning(NULL, "vs-16090: direntry_bytes_number: "
+ "bytes number is asked for direntry");
+ return 0;
}
-
-static int direntry_is_left_mergeable (struct reiserfs_key * key, unsigned long bsize)
+static void direntry_decrement_key(struct cpu_key *key)
{
- if (le32_to_cpu (key->u.k_offset_v1.k_offset) == DOT_OFFSET)
- return 0;
- return 1;
-
+ cpu_key_k_offset_dec(key);
+ if (cpu_key_k_offset(key) == 0)
+ set_cpu_key_k_type(key, TYPE_STAT_DATA);
}
-
-static void direntry_print_item (struct item_head * ih, char * item)
+static int direntry_is_left_mergeable(struct reiserfs_key *key,
+ unsigned long bsize)
{
- int i;
- int namelen;
- struct reiserfs_de_head * deh;
- char * name;
- static char namebuf [80];
-
-
- printk ("\n # %-15s%-30s%-15s%-15s%-15s\n", "Name", "Key of pointed object", "Hash", "Gen number", "Status");
+ if (le32_to_cpu(key->u.k_offset_v1.k_offset) == DOT_OFFSET)
+ return 0;
+ return 1;
- deh = (struct reiserfs_de_head *)item;
+}
- for (i = 0; i < I_ENTRY_COUNT (ih); i ++, deh ++) {
- namelen = (i ? (deh_location(deh - 1)) : ih_item_len(ih)) - deh_location(deh);
- name = item + deh_location(deh);
- if (name[namelen-1] == 0)
- namelen = strlen (name);
- namebuf[0] = '"';
- if (namelen > sizeof (namebuf) - 3) {
- strncpy (namebuf + 1, name, sizeof (namebuf) - 3);
- namebuf[sizeof (namebuf) - 2] = '"';
- namebuf[sizeof (namebuf) - 1] = 0;
- } else {
- memcpy (namebuf + 1, name, namelen);
- namebuf[namelen + 1] = '"';
- namebuf[namelen + 2] = 0;
+static void direntry_print_item(struct item_head *ih, char *item)
+{
+ int i;
+ int namelen;
+ struct reiserfs_de_head *deh;
+ char *name;
+ static char namebuf[80];
+
+ printk("\n # %-15s%-30s%-15s%-15s%-15s\n", "Name",
+ "Key of pointed object", "Hash", "Gen number", "Status");
+
+ deh = (struct reiserfs_de_head *)item;
+
+ for (i = 0; i < I_ENTRY_COUNT(ih); i++, deh++) {
+ namelen =
+ (i ? (deh_location(deh - 1)) : ih_item_len(ih)) -
+ deh_location(deh);
+ name = item + deh_location(deh);
+ if (name[namelen - 1] == 0)
+ namelen = strlen(name);
+ namebuf[0] = '"';
+ if (namelen > sizeof(namebuf) - 3) {
+ strncpy(namebuf + 1, name, sizeof(namebuf) - 3);
+ namebuf[sizeof(namebuf) - 2] = '"';
+ namebuf[sizeof(namebuf) - 1] = 0;
+ } else {
+ memcpy(namebuf + 1, name, namelen);
+ namebuf[namelen + 1] = '"';
+ namebuf[namelen + 2] = 0;
+ }
+
+ printk("%d: %-15s%-15d%-15d%-15Ld%-15Ld(%s)\n",
+ i, namebuf,
+ deh_dir_id(deh), deh_objectid(deh),
+ GET_HASH_VALUE(deh_offset(deh)),
+ GET_GENERATION_NUMBER((deh_offset(deh))),
+ (de_hidden(deh)) ? "HIDDEN" : "VISIBLE");
}
-
- printk ("%d: %-15s%-15d%-15d%-15Ld%-15Ld(%s)\n",
- i, namebuf,
- deh_dir_id(deh), deh_objectid(deh),
- GET_HASH_VALUE (deh_offset (deh)), GET_GENERATION_NUMBER ((deh_offset (deh))),
- (de_hidden (deh)) ? "HIDDEN" : "VISIBLE");
- }
}
-
-static void direntry_check_item (struct item_head * ih, char * item)
+static void direntry_check_item(struct item_head *ih, char *item)
{
- int i;
- struct reiserfs_de_head * deh;
+ int i;
+ struct reiserfs_de_head *deh;
- // FIXME: type something here!
- deh = (struct reiserfs_de_head *)item;
- for (i = 0; i < I_ENTRY_COUNT (ih); i ++, deh ++) {
- ;
- }
+ // FIXME: type something here!
+ deh = (struct reiserfs_de_head *)item;
+ for (i = 0; i < I_ENTRY_COUNT(ih); i++, deh++) {
+ ;
+ }
}
-
-
#define DIRENTRY_VI_FIRST_DIRENTRY_ITEM 1
/*
* function returns old entry number in directory item in real 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)
+static inline int old_entry_num(int is_affected, int virtual_entry_num,
+ int pos_in_item, int mode)
{
- if ( mode == M_INSERT || mode == M_DELETE)
- return virtual_entry_num;
-
- if (!is_affected)
- /* cut or paste is applied to another item */
- return virtual_entry_num;
-
- if (virtual_entry_num < pos_in_item)
- return virtual_entry_num;
+ if (mode == M_INSERT || mode == M_DELETE)
+ return virtual_entry_num;
- if (mode == M_CUT)
- return virtual_entry_num + 1;
+ if (!is_affected)
+ /* cut or paste is applied to another item */
+ return virtual_entry_num;
- RFALSE( mode != M_PASTE || virtual_entry_num == 0,
- "vs-8015: old_entry_num: mode must be M_PASTE (mode = \'%c\'", mode);
-
- return virtual_entry_num - 1;
-}
+ if (virtual_entry_num < pos_in_item)
+ return virtual_entry_num;
+ if (mode == M_CUT)
+ return virtual_entry_num + 1;
+ RFALSE(mode != M_PASTE || virtual_entry_num == 0,
+ "vs-8015: old_entry_num: mode must be M_PASTE (mode = \'%c\'",
+ 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 */
-static int direntry_create_vi (struct virtual_node * vn,
- struct virtual_item * vi,
- int is_affected,
- int insert_size)
-{
- struct direntry_uarea * dir_u = vi->vi_uarea;
- int i, j;
- int size = sizeof (struct direntry_uarea);
- struct reiserfs_de_head * deh;
-
- vi->vi_index = TYPE_DIRENTRY;
-
- if (!(vi->vi_ih) || !vi->vi_item)
- BUG ();
-
-
- dir_u->flags = 0;
- if (le_ih_k_offset (vi->vi_ih) == DOT_OFFSET)
- dir_u->flags |= DIRENTRY_VI_FIRST_DIRENTRY_ITEM;
-
- deh = (struct reiserfs_de_head *)(vi->vi_item);
-
-
- /* virtual directory item have this amount of entry after */
- dir_u->entry_count = ih_entry_count (vi->vi_ih) +
- ((is_affected) ? ((vn->vn_mode == M_CUT) ? -1 :
- (vn->vn_mode == M_PASTE ? 1 : 0)) : 0);
-
- for (i = 0; i < dir_u->entry_count; i ++) {
- 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;
- }
-
- size += (dir_u->entry_count * sizeof (short));
-
- /* set size of pasted entry */
- if (is_affected && vn->vn_mode == M_PASTE)
- dir_u->entry_sizes[vn->vn_pos_in_item] = insert_size;
+static int direntry_create_vi(struct virtual_node *vn,
+ struct virtual_item *vi,
+ int is_affected, int insert_size)
+{
+ struct direntry_uarea *dir_u = vi->vi_uarea;
+ int i, j;
+ int size = sizeof(struct direntry_uarea);
+ struct reiserfs_de_head *deh;
+ vi->vi_index = TYPE_DIRENTRY;
+
+ if (!(vi->vi_ih) || !vi->vi_item)
+ BUG();
+
+ dir_u->flags = 0;
+ if (le_ih_k_offset(vi->vi_ih) == DOT_OFFSET)
+ dir_u->flags |= DIRENTRY_VI_FIRST_DIRENTRY_ITEM;
+
+ deh = (struct reiserfs_de_head *)(vi->vi_item);
+
+ /* virtual directory item have this amount of entry after */
+ dir_u->entry_count = ih_entry_count(vi->vi_ih) +
+ ((is_affected) ? ((vn->vn_mode == M_CUT) ? -1 :
+ (vn->vn_mode == M_PASTE ? 1 : 0)) : 0);
+
+ for (i = 0; i < dir_u->entry_count; i++) {
+ 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;
+ }
+
+ size += (dir_u->entry_count * sizeof(short));
+
+ /* set size of pasted entry */
+ if (is_affected && vn->vn_mode == M_PASTE)
+ dir_u->entry_sizes[vn->vn_pos_in_item] = insert_size;
#ifdef CONFIG_REISERFS_CHECK
- /* compare total size of entries with item length */
- {
- int k, l;
-
- l = 0;
- for (k = 0; k < dir_u->entry_count; k ++)
- l += dir_u->entry_sizes[k];
-
- if (l + IH_SIZE != vi->vi_item_len +
- ((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",
- vn->vn_mode, insert_size);
+ /* compare total size of entries with item length */
+ {
+ int k, l;
+
+ l = 0;
+ for (k = 0; k < dir_u->entry_count; k++)
+ l += dir_u->entry_sizes[k];
+
+ if (l + IH_SIZE != vi->vi_item_len +
+ ((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",
+ vn->vn_mode, insert_size);
+ }
}
- }
#endif
- return size;
-
+ return 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
//
-static int direntry_check_left (struct virtual_item * vi, int free,
- int start_skip, int end_skip)
+static int direntry_check_left(struct virtual_item *vi, int free,
+ int start_skip, int end_skip)
{
- int i;
- int entries = 0;
- struct direntry_uarea * dir_u = vi->vi_uarea;
+ int i;
+ int entries = 0;
+ struct direntry_uarea *dir_u = vi->vi_uarea;
- for (i = start_skip; i < dir_u->entry_count - end_skip; i ++) {
- 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];
- entries ++;
- }
+ for (i = start_skip; i < dir_u->entry_count - end_skip; i++) {
+ if (dir_u->entry_sizes[i] > free)
+ /* i-th entry doesn't fit into the remaining free space */
+ break;
- if (entries == dir_u->entry_count) {
- reiserfs_panic (NULL, "free space %d, entry_count %d\n", free, dir_u->entry_count);
- }
+ free -= dir_u->entry_sizes[i];
+ entries++;
+ }
- /* "." and ".." can not be separated from each other */
- if (start_skip == 0 && (dir_u->flags & DIRENTRY_VI_FIRST_DIRENTRY_ITEM) && entries < 2)
- entries = 0;
-
- return entries ?: -1;
-}
+ if (entries == dir_u->entry_count) {
+ reiserfs_panic(NULL, "free space %d, entry_count %d\n", free,
+ dir_u->entry_count);
+ }
+ /* "." and ".." can not be separated from each other */
+ if (start_skip == 0 && (dir_u->flags & DIRENTRY_VI_FIRST_DIRENTRY_ITEM)
+ && entries < 2)
+ entries = 0;
-static int direntry_check_right (struct virtual_item * vi, int free)
+ return entries ? : -1;
+}
+
+static int direntry_check_right(struct virtual_item *vi, int free)
{
- int i;
- int entries = 0;
- struct direntry_uarea * dir_u = vi->vi_uarea;
-
- for (i = dir_u->entry_count - 1; i >= 0; i --) {
- 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];
- entries ++;
- }
- if (entries == dir_u->entry_count)
- BUG ();
+ int i;
+ int entries = 0;
+ struct direntry_uarea *dir_u = vi->vi_uarea;
- /* "." and ".." can not be separated from each other */
- if ((dir_u->flags & DIRENTRY_VI_FIRST_DIRENTRY_ITEM) && entries > dir_u->entry_count - 2)
- entries = dir_u->entry_count - 2;
+ for (i = dir_u->entry_count - 1; i >= 0; i--) {
+ if (dir_u->entry_sizes[i] > free)
+ /* i-th entry doesn't fit into the remaining free space */
+ break;
- return entries ?: -1;
-}
+ free -= dir_u->entry_sizes[i];
+ entries++;
+ }
+ if (entries == dir_u->entry_count)
+ BUG();
+ /* "." and ".." can not be separated from each other */
+ if ((dir_u->flags & DIRENTRY_VI_FIRST_DIRENTRY_ITEM)
+ && entries > dir_u->entry_count - 2)
+ entries = dir_u->entry_count - 2;
+
+ return entries ? : -1;
+}
/* sum of entry sizes between from-th and to-th entries including both edges */
-static int direntry_part_size (struct virtual_item * vi, int first, int count)
+static int direntry_part_size(struct virtual_item *vi, int first, int count)
{
- int i, retval;
- int from, to;
- struct direntry_uarea * dir_u = vi->vi_uarea;
-
- retval = 0;
- if (first == 0)
- from = 0;
- else
- from = dir_u->entry_count - count;
- to = from + count - 1;
+ int i, retval;
+ int from, to;
+ struct direntry_uarea *dir_u = vi->vi_uarea;
- for (i = from; i <= to; i ++)
- retval += dir_u->entry_sizes[i];
+ retval = 0;
+ if (first == 0)
+ from = 0;
+ else
+ from = dir_u->entry_count - count;
+ to = from + count - 1;
- return retval;
-}
+ for (i = from; i <= to; i++)
+ retval += dir_u->entry_sizes[i];
-static int direntry_unit_num (struct virtual_item * vi)
-{
- struct direntry_uarea * dir_u = vi->vi_uarea;
-
- return dir_u->entry_count;
+ return retval;
}
+static int direntry_unit_num(struct virtual_item *vi)
+{
+ struct direntry_uarea *dir_u = vi->vi_uarea;
+ return dir_u->entry_count;
+}
-static void direntry_print_vi (struct virtual_item * vi)
+static void direntry_print_vi(struct virtual_item *vi)
{
- int i;
- struct direntry_uarea * dir_u = vi->vi_uarea;
+ int i;
+ struct direntry_uarea *dir_u = vi->vi_uarea;
- reiserfs_warning (NULL, "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 ++)
- printk ("%d ", dir_u->entry_sizes[i]);
- printk ("\n");
+ reiserfs_warning(NULL, "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++)
+ printk("%d ", dir_u->entry_sizes[i]);
+ printk("\n");
}
static struct item_operations direntry_ops = {
- .bytes_number = direntry_bytes_number,
- .decrement_key = direntry_decrement_key,
- .is_left_mergeable = direntry_is_left_mergeable,
- .print_item = direntry_print_item,
- .check_item = direntry_check_item,
-
- .create_vi = direntry_create_vi,
- .check_left = direntry_check_left,
- .check_right = direntry_check_right,
- .part_size = direntry_part_size,
- .unit_num = direntry_unit_num,
- .print_vi = direntry_print_vi
+ .bytes_number = direntry_bytes_number,
+ .decrement_key = direntry_decrement_key,
+ .is_left_mergeable = direntry_is_left_mergeable,
+ .print_item = direntry_print_item,
+ .check_item = direntry_check_item,
+
+ .create_vi = direntry_create_vi,
+ .check_left = direntry_check_left,
+ .check_right = direntry_check_right,
+ .part_size = direntry_part_size,
+ .unit_num = direntry_unit_num,
+ .print_vi = direntry_print_vi
};
-
//////////////////////////////////////////////////////////////////////////////
// Error catching functions to catch errors caused by incorrect item types.
//
-static int errcatch_bytes_number (struct item_head * ih, int block_size)
+static int errcatch_bytes_number(struct item_head *ih, int block_size)
{
- reiserfs_warning (NULL, "green-16001: Invalid item type observed, run fsck ASAP");
- return 0;
+ reiserfs_warning(NULL,
+ "green-16001: Invalid item type observed, run fsck ASAP");
+ return 0;
}
-static void errcatch_decrement_key (struct cpu_key * key)
+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)
+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");
- return 0;
+ 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)
+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)
+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)
+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");
+ 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.
}
-static int errcatch_check_left (struct virtual_item * vi, int free,
- int start_skip, int end_skip)
+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");
- return -1;
+ 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)
+static int errcatch_check_right(struct virtual_item *vi, int free)
{
- reiserfs_warning (NULL, "green-16008: Invalid item type observed, run fsck ASAP");
- return -1;
+ 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)
+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");
- return 0;
+ reiserfs_warning(NULL,
+ "green-16009: Invalid item type observed, run fsck ASAP");
+ return 0;
}
-static int errcatch_unit_num (struct virtual_item * vi)
+static int errcatch_unit_num(struct virtual_item *vi)
{
- reiserfs_warning (NULL, "green-16010: Invalid item type observed, run fsck ASAP");
- return 0;
+ reiserfs_warning(NULL,
+ "green-16010: Invalid item type observed, run fsck ASAP");
+ return 0;
}
-static void errcatch_print_vi (struct virtual_item * vi)
+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 = {
- errcatch_bytes_number,
- errcatch_decrement_key,
- errcatch_is_left_mergeable,
- errcatch_print_item,
- errcatch_check_item,
-
- errcatch_create_vi,
- errcatch_check_left,
- errcatch_check_right,
- errcatch_part_size,
- errcatch_unit_num,
- errcatch_print_vi
+ errcatch_bytes_number,
+ errcatch_decrement_key,
+ errcatch_is_left_mergeable,
+ errcatch_print_item,
+ errcatch_check_item,
+
+ errcatch_create_vi,
+ errcatch_check_left,
+ errcatch_check_right,
+ errcatch_part_size,
+ errcatch_unit_num,
+ errcatch_print_vi
};
-
-
//////////////////////////////////////////////////////////////////////////////
//
//
@@ -775,15 +744,11 @@ static struct item_operations errcatch_ops = {
#error Item types must use disk-format assigned values.
#endif
-struct item_operations * item_ops [TYPE_ANY + 1] = {
- &stat_data_ops,
- &indirect_ops,
- &direct_ops,
- &direntry_ops,
- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
- &errcatch_ops /* This is to catch errors with invalid type (15th entry for TYPE_ANY) */
+struct item_operations *item_ops[TYPE_ANY + 1] = {
+ &stat_data_ops,
+ &indirect_ops,
+ &direct_ops,
+ &direntry_ops,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ &errcatch_ops /* This is to catch errors with invalid type (15th entry for TYPE_ANY) */
};
-
-
-
-
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-11 07:52:38 +0000