#include "dat.h"
#include "alloc.h"
+static struct inode *nilfs_bmap_get_dat(const struct nilfs_bmap *bmap)
+{
+ return nilfs_dat_inode(NILFS_I_NILFS(bmap->b_inode));
+}
+
int nilfs_bmap_lookup_at_level(struct nilfs_bmap *bmap, __u64 key, int level,
__u64 *ptrp)
{
- __u64 ptr;
+ sector_t blocknr;
int ret;
down_read(&bmap->b_sem);
ret = bmap->b_ops->bop_lookup(bmap, key, level, ptrp);
if (ret < 0)
goto out;
- if (bmap->b_pops->bpop_translate != NULL) {
- ret = bmap->b_pops->bpop_translate(bmap, *ptrp, &ptr);
- if (ret < 0)
- goto out;
- *ptrp = ptr;
+ if (NILFS_BMAP_USE_VBN(bmap)) {
+ ret = nilfs_dat_translate(nilfs_bmap_get_dat(bmap), *ptrp,
+ &blocknr);
+ if (!ret)
+ *ptrp = blocknr;
}
out:
return NILFS_BMAP_INVALID_PTR;
}
-static struct inode *nilfs_bmap_get_dat(const struct nilfs_bmap *bmap)
-{
- return nilfs_dat_inode(NILFS_I_NILFS(bmap->b_inode));
-}
-
#define NILFS_BMAP_GROUP_DIV 8
__u64 nilfs_bmap_find_target_in_group(const struct nilfs_bmap *bmap)
{
(entries_per_group / NILFS_BMAP_GROUP_DIV);
}
-static int nilfs_bmap_prepare_alloc_v(struct nilfs_bmap *bmap,
- union nilfs_bmap_ptr_req *req)
+int nilfs_bmap_prepare_alloc_v(struct nilfs_bmap *bmap,
+ union nilfs_bmap_ptr_req *req)
{
return nilfs_dat_prepare_alloc(nilfs_bmap_get_dat(bmap), &req->bpr_req);
}
-static void nilfs_bmap_commit_alloc_v(struct nilfs_bmap *bmap,
- union nilfs_bmap_ptr_req *req)
+void nilfs_bmap_commit_alloc_v(struct nilfs_bmap *bmap,
+ union nilfs_bmap_ptr_req *req)
{
nilfs_dat_commit_alloc(nilfs_bmap_get_dat(bmap), &req->bpr_req);
}
-static void nilfs_bmap_abort_alloc_v(struct nilfs_bmap *bmap,
- union nilfs_bmap_ptr_req *req)
+void nilfs_bmap_abort_alloc_v(struct nilfs_bmap *bmap,
+ union nilfs_bmap_ptr_req *req)
{
nilfs_dat_abort_alloc(nilfs_bmap_get_dat(bmap), &req->bpr_req);
}
return ret;
}
-static int nilfs_bmap_prepare_end_v(struct nilfs_bmap *bmap,
- union nilfs_bmap_ptr_req *req)
+int nilfs_bmap_prepare_end_v(struct nilfs_bmap *bmap,
+ union nilfs_bmap_ptr_req *req)
{
return nilfs_dat_prepare_end(nilfs_bmap_get_dat(bmap), &req->bpr_req);
}
-static void nilfs_bmap_commit_end_v(struct nilfs_bmap *bmap,
- union nilfs_bmap_ptr_req *req)
-{
- nilfs_dat_commit_end(nilfs_bmap_get_dat(bmap), &req->bpr_req, 0);
-}
-
-static void nilfs_bmap_commit_end_vmdt(struct nilfs_bmap *bmap,
- union nilfs_bmap_ptr_req *req)
+void nilfs_bmap_commit_end_v(struct nilfs_bmap *bmap,
+ union nilfs_bmap_ptr_req *req)
{
- nilfs_dat_commit_end(nilfs_bmap_get_dat(bmap), &req->bpr_req, 1);
+ nilfs_dat_commit_end(nilfs_bmap_get_dat(bmap), &req->bpr_req,
+ bmap->b_ptr_type == NILFS_BMAP_PTR_VS);
}
-static void nilfs_bmap_abort_end_v(struct nilfs_bmap *bmap,
- union nilfs_bmap_ptr_req *req)
+void nilfs_bmap_abort_end_v(struct nilfs_bmap *bmap,
+ union nilfs_bmap_ptr_req *req)
{
nilfs_dat_abort_end(nilfs_bmap_get_dat(bmap), &req->bpr_req);
}
return nilfs_dat_mark_dirty(nilfs_bmap_get_dat(bmap), vblocknr);
}
-int nilfs_bmap_prepare_update(struct nilfs_bmap *bmap,
- union nilfs_bmap_ptr_req *oldreq,
- union nilfs_bmap_ptr_req *newreq)
+int nilfs_bmap_prepare_update_v(struct nilfs_bmap *bmap,
+ union nilfs_bmap_ptr_req *oldreq,
+ union nilfs_bmap_ptr_req *newreq)
{
+ struct inode *dat = nilfs_bmap_get_dat(bmap);
int ret;
- ret = bmap->b_pops->bpop_prepare_end_ptr(bmap, oldreq);
+ ret = nilfs_dat_prepare_end(dat, &oldreq->bpr_req);
if (ret < 0)
return ret;
- ret = bmap->b_pops->bpop_prepare_alloc_ptr(bmap, newreq);
+ ret = nilfs_dat_prepare_alloc(dat, &newreq->bpr_req);
if (ret < 0)
- bmap->b_pops->bpop_abort_end_ptr(bmap, oldreq);
+ nilfs_dat_abort_end(dat, &oldreq->bpr_req);
return ret;
}
-void nilfs_bmap_commit_update(struct nilfs_bmap *bmap,
- union nilfs_bmap_ptr_req *oldreq,
- union nilfs_bmap_ptr_req *newreq)
-{
- bmap->b_pops->bpop_commit_end_ptr(bmap, oldreq);
- bmap->b_pops->bpop_commit_alloc_ptr(bmap, newreq);
-}
-
-void nilfs_bmap_abort_update(struct nilfs_bmap *bmap,
- union nilfs_bmap_ptr_req *oldreq,
- union nilfs_bmap_ptr_req *newreq)
-{
- bmap->b_pops->bpop_abort_end_ptr(bmap, oldreq);
- bmap->b_pops->bpop_abort_alloc_ptr(bmap, newreq);
-}
-
-static int nilfs_bmap_translate_v(const struct nilfs_bmap *bmap, __u64 ptr,
- __u64 *ptrp)
+void nilfs_bmap_commit_update_v(struct nilfs_bmap *bmap,
+ union nilfs_bmap_ptr_req *oldreq,
+ union nilfs_bmap_ptr_req *newreq)
{
- sector_t blocknr;
- int ret;
-
- ret = nilfs_dat_translate(nilfs_bmap_get_dat(bmap), ptr, &blocknr);
- if (ret < 0)
- return ret;
- if (ptrp != NULL)
- *ptrp = blocknr;
- return 0;
-}
+ struct inode *dat = nilfs_bmap_get_dat(bmap);
-static int nilfs_bmap_prepare_alloc_p(struct nilfs_bmap *bmap,
- union nilfs_bmap_ptr_req *req)
-{
- /* ignore target ptr */
- req->bpr_ptr = bmap->b_last_allocated_ptr++;
- return 0;
+ nilfs_dat_commit_end(dat, &oldreq->bpr_req,
+ bmap->b_ptr_type == NILFS_BMAP_PTR_VS);
+ nilfs_dat_commit_alloc(dat, &newreq->bpr_req);
}
-static void nilfs_bmap_commit_alloc_p(struct nilfs_bmap *bmap,
- union nilfs_bmap_ptr_req *req)
+void nilfs_bmap_abort_update_v(struct nilfs_bmap *bmap,
+ union nilfs_bmap_ptr_req *oldreq,
+ union nilfs_bmap_ptr_req *newreq)
{
- /* do nothing */
-}
+ struct inode *dat = nilfs_bmap_get_dat(bmap);
-static void nilfs_bmap_abort_alloc_p(struct nilfs_bmap *bmap,
- union nilfs_bmap_ptr_req *req)
-{
- bmap->b_last_allocated_ptr--;
+ nilfs_dat_abort_end(dat, &oldreq->bpr_req);
+ nilfs_dat_abort_alloc(dat, &newreq->bpr_req);
}
-static const struct nilfs_bmap_ptr_operations nilfs_bmap_ptr_ops_v = {
- .bpop_prepare_alloc_ptr = nilfs_bmap_prepare_alloc_v,
- .bpop_commit_alloc_ptr = nilfs_bmap_commit_alloc_v,
- .bpop_abort_alloc_ptr = nilfs_bmap_abort_alloc_v,
- .bpop_prepare_end_ptr = nilfs_bmap_prepare_end_v,
- .bpop_commit_end_ptr = nilfs_bmap_commit_end_v,
- .bpop_abort_end_ptr = nilfs_bmap_abort_end_v,
-
- .bpop_translate = nilfs_bmap_translate_v,
-};
-
-static const struct nilfs_bmap_ptr_operations nilfs_bmap_ptr_ops_vmdt = {
- .bpop_prepare_alloc_ptr = nilfs_bmap_prepare_alloc_v,
- .bpop_commit_alloc_ptr = nilfs_bmap_commit_alloc_v,
- .bpop_abort_alloc_ptr = nilfs_bmap_abort_alloc_v,
- .bpop_prepare_end_ptr = nilfs_bmap_prepare_end_v,
- .bpop_commit_end_ptr = nilfs_bmap_commit_end_vmdt,
- .bpop_abort_end_ptr = nilfs_bmap_abort_end_v,
-
- .bpop_translate = nilfs_bmap_translate_v,
-};
-
-static const struct nilfs_bmap_ptr_operations nilfs_bmap_ptr_ops_p = {
- .bpop_prepare_alloc_ptr = nilfs_bmap_prepare_alloc_p,
- .bpop_commit_alloc_ptr = nilfs_bmap_commit_alloc_p,
- .bpop_abort_alloc_ptr = nilfs_bmap_abort_alloc_p,
- .bpop_prepare_end_ptr = NULL,
- .bpop_commit_end_ptr = NULL,
- .bpop_abort_end_ptr = NULL,
-
- .bpop_translate = NULL,
-};
-
-static const struct nilfs_bmap_ptr_operations nilfs_bmap_ptr_ops_gc = {
- .bpop_prepare_alloc_ptr = NULL,
- .bpop_commit_alloc_ptr = NULL,
- .bpop_abort_alloc_ptr = NULL,
- .bpop_prepare_end_ptr = NULL,
- .bpop_commit_end_ptr = NULL,
- .bpop_abort_end_ptr = NULL,
-
- .bpop_translate = NULL,
-};
-
static struct lock_class_key nilfs_bmap_dat_lock_key;
/**
bmap->b_inode = &NILFS_BMAP_I(bmap)->vfs_inode;
switch (bmap->b_inode->i_ino) {
case NILFS_DAT_INO:
- bmap->b_pops = &nilfs_bmap_ptr_ops_p;
- bmap->b_last_allocated_key = 0; /* XXX: use macro */
+ bmap->b_ptr_type = NILFS_BMAP_PTR_P;
+ bmap->b_last_allocated_key = 0;
bmap->b_last_allocated_ptr = NILFS_BMAP_NEW_PTR_INIT;
lockdep_set_class(&bmap->b_sem, &nilfs_bmap_dat_lock_key);
break;
case NILFS_CPFILE_INO:
case NILFS_SUFILE_INO:
- bmap->b_pops = &nilfs_bmap_ptr_ops_vmdt;
- bmap->b_last_allocated_key = 0; /* XXX: use macro */
+ bmap->b_ptr_type = NILFS_BMAP_PTR_VS;
+ bmap->b_last_allocated_key = 0;
bmap->b_last_allocated_ptr = NILFS_BMAP_INVALID_PTR;
break;
default:
- bmap->b_pops = &nilfs_bmap_ptr_ops_v;
- bmap->b_last_allocated_key = 0; /* XXX: use macro */
+ bmap->b_ptr_type = NILFS_BMAP_PTR_VM;
+ bmap->b_last_allocated_key = 0;
bmap->b_last_allocated_ptr = NILFS_BMAP_INVALID_PTR;
break;
}
memset(&bmap->b_u, 0, NILFS_BMAP_SIZE);
init_rwsem(&bmap->b_sem);
bmap->b_inode = &NILFS_BMAP_I(bmap)->vfs_inode;
- bmap->b_pops = &nilfs_bmap_ptr_ops_gc;
+ bmap->b_ptr_type = NILFS_BMAP_PTR_U;
bmap->b_last_allocated_key = 0;
bmap->b_last_allocated_ptr = NILFS_BMAP_INVALID_PTR;
bmap->b_state = 0;
};
-/**
- * struct nilfs_bmap_ptr_operations - bmap ptr operation table
- */
-struct nilfs_bmap_ptr_operations {
- int (*bpop_prepare_alloc_ptr)(struct nilfs_bmap *,
- union nilfs_bmap_ptr_req *);
- void (*bpop_commit_alloc_ptr)(struct nilfs_bmap *,
- union nilfs_bmap_ptr_req *);
- void (*bpop_abort_alloc_ptr)(struct nilfs_bmap *,
- union nilfs_bmap_ptr_req *);
- int (*bpop_prepare_end_ptr)(struct nilfs_bmap *,
- union nilfs_bmap_ptr_req *);
- void (*bpop_commit_end_ptr)(struct nilfs_bmap *,
- union nilfs_bmap_ptr_req *);
- void (*bpop_abort_end_ptr)(struct nilfs_bmap *,
- union nilfs_bmap_ptr_req *);
-
- int (*bpop_translate)(const struct nilfs_bmap *, __u64, __u64 *);
-};
-
-
#define NILFS_BMAP_SIZE (NILFS_INODE_BMAP_SIZE * sizeof(__le64))
#define NILFS_BMAP_KEY_BIT (sizeof(unsigned long) * 8 /* CHAR_BIT */)
#define NILFS_BMAP_NEW_PTR_INIT \
* @b_sem: semaphore
* @b_inode: owner of bmap
* @b_ops: bmap operation table
- * @b_pops: bmap ptr operation table
* @b_last_allocated_key: last allocated key for data block
* @b_last_allocated_ptr: last allocated ptr for data block
+ * @b_ptr_type: pointer type
* @b_state: state
*/
struct nilfs_bmap {
struct rw_semaphore b_sem;
struct inode *b_inode;
const struct nilfs_bmap_operations *b_ops;
- const struct nilfs_bmap_ptr_operations *b_pops;
__u64 b_last_allocated_key;
__u64 b_last_allocated_ptr;
+ int b_ptr_type;
int b_state;
};
+/* pointer type */
+#define NILFS_BMAP_PTR_P 0 /* physical block number (i.e. LBN) */
+#define NILFS_BMAP_PTR_VS 1 /* virtual block number (single
+ version) */
+#define NILFS_BMAP_PTR_VM 2 /* virtual block number (has multiple
+ versions) */
+#define NILFS_BMAP_PTR_U (-1) /* never perform pointer operations */
+
+#define NILFS_BMAP_USE_VBN(bmap) ((bmap)->b_ptr_type > 0)
+
/* state */
#define NILFS_BMAP_DIRTY 0x00000001
/*
* Internal use only
*/
+int nilfs_bmap_prepare_alloc_v(struct nilfs_bmap *,
+ union nilfs_bmap_ptr_req *);
+void nilfs_bmap_commit_alloc_v(struct nilfs_bmap *,
+ union nilfs_bmap_ptr_req *);
+void nilfs_bmap_abort_alloc_v(struct nilfs_bmap *,
+ union nilfs_bmap_ptr_req *);
+
+static inline int nilfs_bmap_prepare_alloc_ptr(struct nilfs_bmap *bmap,
+ union nilfs_bmap_ptr_req *req)
+{
+ if (NILFS_BMAP_USE_VBN(bmap))
+ return nilfs_bmap_prepare_alloc_v(bmap, req);
+ /* ignore target ptr */
+ req->bpr_ptr = bmap->b_last_allocated_ptr++;
+ return 0;
+}
+
+static inline void nilfs_bmap_commit_alloc_ptr(struct nilfs_bmap *bmap,
+ union nilfs_bmap_ptr_req *req)
+{
+ if (NILFS_BMAP_USE_VBN(bmap))
+ nilfs_bmap_commit_alloc_v(bmap, req);
+}
+
+static inline void nilfs_bmap_abort_alloc_ptr(struct nilfs_bmap *bmap,
+ union nilfs_bmap_ptr_req *req)
+{
+ if (NILFS_BMAP_USE_VBN(bmap))
+ nilfs_bmap_abort_alloc_v(bmap, req);
+ else
+ bmap->b_last_allocated_ptr--;
+}
+
+int nilfs_bmap_prepare_end_v(struct nilfs_bmap *, union nilfs_bmap_ptr_req *);
+void nilfs_bmap_commit_end_v(struct nilfs_bmap *, union nilfs_bmap_ptr_req *);
+void nilfs_bmap_abort_end_v(struct nilfs_bmap *, union nilfs_bmap_ptr_req *);
+
+static inline int nilfs_bmap_prepare_end_ptr(struct nilfs_bmap *bmap,
+ union nilfs_bmap_ptr_req *req)
+{
+ return NILFS_BMAP_USE_VBN(bmap) ?
+ nilfs_bmap_prepare_end_v(bmap, req) : 0;
+}
+
+static inline void nilfs_bmap_commit_end_ptr(struct nilfs_bmap *bmap,
+ union nilfs_bmap_ptr_req *req)
+{
+ if (NILFS_BMAP_USE_VBN(bmap))
+ nilfs_bmap_commit_end_v(bmap, req);
+}
+
+static inline void nilfs_bmap_abort_end_ptr(struct nilfs_bmap *bmap,
+ union nilfs_bmap_ptr_req *req)
+{
+ if (NILFS_BMAP_USE_VBN(bmap))
+ nilfs_bmap_abort_end_v(bmap, req);
+}
int nilfs_bmap_start_v(struct nilfs_bmap *, union nilfs_bmap_ptr_req *,
sector_t);
__u64 nilfs_bmap_find_target_seq(const struct nilfs_bmap *, __u64);
__u64 nilfs_bmap_find_target_in_group(const struct nilfs_bmap *);
-int nilfs_bmap_prepare_update(struct nilfs_bmap *,
- union nilfs_bmap_ptr_req *,
- union nilfs_bmap_ptr_req *);
-void nilfs_bmap_commit_update(struct nilfs_bmap *,
- union nilfs_bmap_ptr_req *,
- union nilfs_bmap_ptr_req *);
-void nilfs_bmap_abort_update(struct nilfs_bmap *,
- union nilfs_bmap_ptr_req *,
- union nilfs_bmap_ptr_req *);
+int nilfs_bmap_prepare_update_v(struct nilfs_bmap *,
+ union nilfs_bmap_ptr_req *,
+ union nilfs_bmap_ptr_req *);
+void nilfs_bmap_commit_update_v(struct nilfs_bmap *,
+ union nilfs_bmap_ptr_req *,
+ union nilfs_bmap_ptr_req *);
+void nilfs_bmap_abort_update_v(struct nilfs_bmap *,
+ union nilfs_bmap_ptr_req *,
+ union nilfs_bmap_ptr_req *);
void nilfs_bmap_add_blocks(const struct nilfs_bmap *, int);
void nilfs_bmap_sub_blocks(const struct nilfs_bmap *, int);
path[level].bp_newreq.bpr_ptr =
btree->bt_ops->btop_find_target(btree, path, key);
- ret = btree->bt_bmap.b_pops->bpop_prepare_alloc_ptr(
- &btree->bt_bmap, &path[level].bp_newreq);
+ ret = nilfs_bmap_prepare_alloc_ptr(&btree->bt_bmap,
+ &path[level].bp_newreq);
if (ret < 0)
goto err_out_data;
/* split */
path[level].bp_newreq.bpr_ptr =
path[level - 1].bp_newreq.bpr_ptr + 1;
- ret = btree->bt_bmap.b_pops->bpop_prepare_alloc_ptr(
- &btree->bt_bmap, &path[level].bp_newreq);
+ ret = nilfs_bmap_prepare_alloc_ptr(&btree->bt_bmap,
+ &path[level].bp_newreq);
if (ret < 0)
goto err_out_child_node;
ret = nilfs_btree_get_new_block(btree,
/* grow */
path[level].bp_newreq.bpr_ptr = path[level - 1].bp_newreq.bpr_ptr + 1;
- ret = btree->bt_bmap.b_pops->bpop_prepare_alloc_ptr(
- &btree->bt_bmap, &path[level].bp_newreq);
+ ret = nilfs_bmap_prepare_alloc_ptr(&btree->bt_bmap,
+ &path[level].bp_newreq);
if (ret < 0)
goto err_out_child_node;
ret = nilfs_btree_get_new_block(btree, path[level].bp_newreq.bpr_ptr,
/* error */
err_out_curr_node:
- btree->bt_bmap.b_pops->bpop_abort_alloc_ptr(&btree->bt_bmap,
- &path[level].bp_newreq);
+ nilfs_bmap_abort_alloc_ptr(&btree->bt_bmap, &path[level].bp_newreq);
err_out_child_node:
for (level--; level > NILFS_BTREE_LEVEL_DATA; level--) {
nilfs_btnode_delete(path[level].bp_sib_bh);
- btree->bt_bmap.b_pops->bpop_abort_alloc_ptr(
- &btree->bt_bmap, &path[level].bp_newreq);
+ nilfs_bmap_abort_alloc_ptr(&btree->bt_bmap,
+ &path[level].bp_newreq);
}
- btree->bt_bmap.b_pops->bpop_abort_alloc_ptr(&btree->bt_bmap,
- &path[level].bp_newreq);
+ nilfs_bmap_abort_alloc_ptr(&btree->bt_bmap, &path[level].bp_newreq);
err_out_data:
*levelp = level;
stats->bs_nblocks = 0;
btree->bt_ops->btop_set_target(btree, key, ptr);
for (level = NILFS_BTREE_LEVEL_NODE_MIN; level <= maxlevel; level++) {
- btree->bt_bmap.b_pops->bpop_commit_alloc_ptr(
- &btree->bt_bmap, &path[level - 1].bp_newreq);
+ nilfs_bmap_commit_alloc_ptr(&btree->bt_bmap,
+ &path[level - 1].bp_newreq);
path[level].bp_op(btree, path, level, &key, &ptr);
}
path[level].bp_oldreq.bpr_ptr =
nilfs_btree_node_get_ptr(btree, node,
path[level].bp_index);
- if (btree->bt_bmap.b_pops->bpop_prepare_end_ptr != NULL) {
- ret = btree->bt_bmap.b_pops->bpop_prepare_end_ptr(
- &btree->bt_bmap, &path[level].bp_oldreq);
- if (ret < 0)
- goto err_out_child_node;
- }
+ ret = nilfs_bmap_prepare_end_ptr(&btree->bt_bmap,
+ &path[level].bp_oldreq);
+ if (ret < 0)
+ goto err_out_child_node;
if (nilfs_btree_node_get_nchildren(btree, node) >
nilfs_btree_node_nchildren_min(btree, node)) {
node = nilfs_btree_get_root(btree);
path[level].bp_oldreq.bpr_ptr =
nilfs_btree_node_get_ptr(btree, node, path[level].bp_index);
- if (btree->bt_bmap.b_pops->bpop_prepare_end_ptr != NULL) {
- ret = btree->bt_bmap.b_pops->bpop_prepare_end_ptr(
- &btree->bt_bmap, &path[level].bp_oldreq);
- if (ret < 0)
- goto err_out_child_node;
- }
+
+ ret = nilfs_bmap_prepare_end_ptr(&btree->bt_bmap,
+ &path[level].bp_oldreq);
+ if (ret < 0)
+ goto err_out_child_node;
+
/* child of the root node is deleted */
path[level].bp_op = nilfs_btree_do_delete;
stats->bs_nblocks++;
/* error */
err_out_curr_node:
- if (btree->bt_bmap.b_pops->bpop_abort_end_ptr != NULL)
- btree->bt_bmap.b_pops->bpop_abort_end_ptr(
- &btree->bt_bmap, &path[level].bp_oldreq);
+ nilfs_bmap_abort_end_ptr(&btree->bt_bmap, &path[level].bp_oldreq);
err_out_child_node:
for (level--; level >= NILFS_BTREE_LEVEL_NODE_MIN; level--) {
brelse(path[level].bp_sib_bh);
- if (btree->bt_bmap.b_pops->bpop_abort_end_ptr != NULL)
- btree->bt_bmap.b_pops->bpop_abort_end_ptr(
- &btree->bt_bmap, &path[level].bp_oldreq);
+ nilfs_bmap_abort_end_ptr(&btree->bt_bmap,
+ &path[level].bp_oldreq);
}
*levelp = level;
stats->bs_nblocks = 0;
int level;
for (level = NILFS_BTREE_LEVEL_NODE_MIN; level <= maxlevel; level++) {
- if (btree->bt_bmap.b_pops->bpop_commit_end_ptr != NULL)
- btree->bt_bmap.b_pops->bpop_commit_end_ptr(
- &btree->bt_bmap, &path[level].bp_oldreq);
+ nilfs_bmap_commit_end_ptr(&btree->bt_bmap,
+ &path[level].bp_oldreq);
path[level].bp_op(btree, path, level, NULL, NULL);
}
if (btree->bt_ops->btop_find_target != NULL)
dreq->bpr_ptr
= btree->bt_ops->btop_find_target(btree, NULL, key);
- ret = bmap->b_pops->bpop_prepare_alloc_ptr(bmap, dreq);
+ ret = nilfs_bmap_prepare_alloc_ptr(bmap, dreq);
if (ret < 0)
return ret;
stats->bs_nblocks++;
if (nreq != NULL) {
nreq->bpr_ptr = dreq->bpr_ptr + 1;
- ret = bmap->b_pops->bpop_prepare_alloc_ptr(bmap, nreq);
+ ret = nilfs_bmap_prepare_alloc_ptr(bmap, nreq);
if (ret < 0)
goto err_out_dreq;
/* error */
err_out_nreq:
- bmap->b_pops->bpop_abort_alloc_ptr(bmap, nreq);
+ nilfs_bmap_abort_alloc_ptr(bmap, nreq);
err_out_dreq:
- bmap->b_pops->bpop_abort_alloc_ptr(bmap, dreq);
+ nilfs_bmap_abort_alloc_ptr(bmap, dreq);
stats->bs_nblocks = 0;
return ret;
btree = (struct nilfs_btree *)bmap;
nilfs_btree_init(bmap);
if (nreq != NULL) {
- bmap->b_pops->bpop_commit_alloc_ptr(bmap, dreq);
- bmap->b_pops->bpop_commit_alloc_ptr(bmap, nreq);
+ nilfs_bmap_commit_alloc_ptr(bmap, dreq);
+ nilfs_bmap_commit_alloc_ptr(bmap, nreq);
/* create child node at level 1 */
lock_buffer(bh);
nilfs_btree_node_init(btree, node, NILFS_BTREE_NODE_ROOT,
2, 1, &keys[0], &tmpptr);
} else {
- bmap->b_pops->bpop_commit_alloc_ptr(bmap, dreq);
+ nilfs_bmap_commit_alloc_ptr(bmap, dreq);
/* create root node at level 1 */
node = nilfs_btree_get_root(btree);
nilfs_btree_node_get_ptr(btree, parent,
path[level + 1].bp_index);
path[level].bp_newreq.bpr_ptr = path[level].bp_oldreq.bpr_ptr + 1;
- ret = nilfs_bmap_prepare_update(&btree->bt_bmap,
- &path[level].bp_oldreq,
- &path[level].bp_newreq);
+ ret = nilfs_bmap_prepare_update_v(&btree->bt_bmap,
+ &path[level].bp_oldreq,
+ &path[level].bp_newreq);
if (ret < 0)
return ret;
&NILFS_BMAP_I(&btree->bt_bmap)->i_btnode_cache,
&path[level].bp_ctxt);
if (ret < 0) {
- nilfs_bmap_abort_update(&btree->bt_bmap,
- &path[level].bp_oldreq,
- &path[level].bp_newreq);
+ nilfs_bmap_abort_update_v(&btree->bt_bmap,
+ &path[level].bp_oldreq,
+ &path[level].bp_newreq);
return ret;
}
}
{
struct nilfs_btree_node *parent;
- nilfs_bmap_commit_update(&btree->bt_bmap,
- &path[level].bp_oldreq,
- &path[level].bp_newreq);
+ nilfs_bmap_commit_update_v(&btree->bt_bmap,
+ &path[level].bp_oldreq,
+ &path[level].bp_newreq);
if (buffer_nilfs_node(path[level].bp_bh)) {
nilfs_btnode_commit_change_key(
struct nilfs_btree_path *path,
int level)
{
- nilfs_bmap_abort_update(&btree->bt_bmap,
- &path[level].bp_oldreq,
- &path[level].bp_newreq);
+ nilfs_bmap_abort_update_v(&btree->bt_bmap,
+ &path[level].bp_oldreq,
+ &path[level].bp_newreq);
if (buffer_nilfs_node(path[level].bp_bh))
nilfs_btnode_abort_change_key(
&NILFS_BMAP_I(&btree->bt_bmap)->i_btnode_cache,
if (direct->d_ops->dop_find_target != NULL)
req->bpr_ptr = direct->d_ops->dop_find_target(direct, key);
- ret = direct->d_bmap.b_pops->bpop_prepare_alloc_ptr(&direct->d_bmap,
- req);
+ ret = nilfs_bmap_prepare_alloc_ptr(&direct->d_bmap, req);
if (ret < 0)
return ret;
bh = (struct buffer_head *)((unsigned long)ptr);
set_buffer_nilfs_volatile(bh);
- direct->d_bmap.b_pops->bpop_commit_alloc_ptr(&direct->d_bmap, req);
+ nilfs_bmap_commit_alloc_ptr(&direct->d_bmap, req);
nilfs_direct_set_ptr(direct, key, req->bpr_ptr);
if (!nilfs_bmap_dirty(&direct->d_bmap))
{
int ret;
- if (direct->d_bmap.b_pops->bpop_prepare_end_ptr != NULL) {
- req->bpr_ptr = nilfs_direct_get_ptr(direct, key);
- ret = direct->d_bmap.b_pops->bpop_prepare_end_ptr(
- &direct->d_bmap, req);
- if (ret < 0)
- return ret;
- }
-
- stats->bs_nblocks = 1;
- return 0;
+ req->bpr_ptr = nilfs_direct_get_ptr(direct, key);
+ ret = nilfs_bmap_prepare_end_ptr(&direct->d_bmap, req);
+ if (!ret)
+ stats->bs_nblocks = 1;
+ return ret;
}
static void nilfs_direct_commit_delete(struct nilfs_direct *direct,
union nilfs_bmap_ptr_req *req,
__u64 key)
{
- if (direct->d_bmap.b_pops->bpop_commit_end_ptr != NULL)
- direct->d_bmap.b_pops->bpop_commit_end_ptr(
- &direct->d_bmap, req);
+ nilfs_bmap_commit_end_ptr(&direct->d_bmap, req);
nilfs_direct_set_ptr(direct, key, NILFS_BMAP_INVALID_PTR);
}
if (!buffer_nilfs_volatile(bh)) {
oldreq.bpr_ptr = ptr;
newreq.bpr_ptr = ptr;
- ret = nilfs_bmap_prepare_update(&direct->d_bmap, &oldreq,
- &newreq);
+ ret = nilfs_bmap_prepare_update_v(&direct->d_bmap, &oldreq,
+ &newreq);
if (ret < 0)
return ret;
- nilfs_bmap_commit_update(&direct->d_bmap, &oldreq, &newreq);
+ nilfs_bmap_commit_update_v(&direct->d_bmap, &oldreq, &newreq);
set_buffer_nilfs_volatile(bh);
nilfs_direct_set_ptr(direct, key, newreq.bpr_ptr);
} else
projects / openwrt / staging / blogic.git / commitdiff