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Subject[PATCH] missing chunk in lvm-fixes in 2.5.5
From
Hi,

the lvm-patch that went into 2.5.5 missed the changes in lvm.h and is
still not compileable. This patch adds those changes. The kernel i'm
running right now has this patch and /var and /home on lvm.

--

//anders/g

--- linux-2.5.5/include/linux/lvm.h Thu Feb 21 12:43:30 2002
+++ linux-2.5.5-lvm/include/linux/lvm.h Thu Feb 21 12:50:59 2002
@@ -477,8 +477,16 @@
* Structure Logical Volume (LV) Version 3
*/

-/* core */
-typedef struct lv_v5 {
+struct kern_lv_v5;
+struct user_lv_v5;
+typedef struct user_lv_v5 userlv_t;
+#ifdef __KERNEL__
+typedef struct kern_lv_v5 lv_t;
+#else
+typedef struct user_lv_v5 lv_t;
+#endif
+
+struct user_lv_v5 {
char lv_name[NAME_LEN];
char vg_name[NAME_LEN];
uint lv_access;
@@ -501,15 +509,18 @@
uint lv_read_ahead;

/* delta to version 1 starts here */
- struct lv_v5 *lv_snapshot_org;
- struct lv_v5 *lv_snapshot_prev;
- struct lv_v5 *lv_snapshot_next;
+ lv_t *lv_snapshot_org;
+ lv_t *lv_snapshot_prev;
+ lv_t *lv_snapshot_next;
lv_block_exception_t *lv_block_exception;
uint lv_remap_ptr;
uint lv_remap_end;
uint lv_chunk_size;
uint lv_snapshot_minor;
-#ifdef __KERNEL__
+};
+
+struct kern_lv_v5{
+ struct user_lv_v5 u;
struct kiobuf *lv_iobuf;
sector_t blocks[LVM_MAX_SECTORS];
struct kiobuf *lv_COW_table_iobuf;
@@ -520,12 +531,8 @@
wait_queue_head_t lv_snapshot_wait;
int lv_snapshot_use_rate;
struct vg_v3 *vg;
-
uint lv_allocated_snapshot_le;
-#else
- char dummy[200];
-#endif
-} lv_t;
+};

/* disk */
typedef struct lv_disk_v3 {
@@ -679,13 +686,13 @@
}

static int inline LVM_GET_COW_TABLE_CHUNKS_PER_PE(vg_t *vg, lv_t *lv) {
- return vg->pe_size / lv->lv_chunk_size;
+ return vg->pe_size / lv->u.lv_chunk_size;
}

static int inline LVM_GET_COW_TABLE_ENTRIES_PER_PE(vg_t *vg, lv_t *lv) {
- ulong chunks = vg->pe_size / lv->lv_chunk_size;
+ ulong chunks = vg->pe_size / lv->u.lv_chunk_size;
ulong entry_size = sizeof(lv_COW_table_disk_t);
- ulong chunk_size = lv->lv_chunk_size * SECTOR_SIZE;
+ ulong chunk_size = lv->u.lv_chunk_size * SECTOR_SIZE;
ulong entries = (vg->pe_size * SECTOR_SIZE) /
(entry_size + chunk_size);

-
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