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path: root/fs/ubifs/lpt_commit.c
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Diffstat (limited to 'fs/ubifs/lpt_commit.c')
-rw-r--r--fs/ubifs/lpt_commit.c50
1 files changed, 26 insertions, 24 deletions
diff --git a/fs/ubifs/lpt_commit.c b/fs/ubifs/lpt_commit.c
index 78da65b2fb85..7ce30994bbba 100644
--- a/fs/ubifs/lpt_commit.c
+++ b/fs/ubifs/lpt_commit.c
@@ -34,13 +34,14 @@ static int dbg_populate_lsave(struct ubifs_info *c);
/**
* first_dirty_cnode - find first dirty cnode.
+ * @c: UBIFS file-system description object
* @nnode: nnode at which to start
*
* This function returns the first dirty cnode or %NULL if there is not one.
*/
-static struct ubifs_cnode *first_dirty_cnode(struct ubifs_nnode *nnode)
+static struct ubifs_cnode *first_dirty_cnode(const struct ubifs_info *c, struct ubifs_nnode *nnode)
{
- ubifs_assert(nnode);
+ ubifs_assert(c, nnode);
while (1) {
int i, cont = 0;
@@ -64,16 +65,17 @@ static struct ubifs_cnode *first_dirty_cnode(struct ubifs_nnode *nnode)
/**
* next_dirty_cnode - find next dirty cnode.
+ * @c: UBIFS file-system description object
* @cnode: cnode from which to begin searching
*
* This function returns the next dirty cnode or %NULL if there is not one.
*/
-static struct ubifs_cnode *next_dirty_cnode(struct ubifs_cnode *cnode)
+static struct ubifs_cnode *next_dirty_cnode(const struct ubifs_info *c, struct ubifs_cnode *cnode)
{
struct ubifs_nnode *nnode;
int i;
- ubifs_assert(cnode);
+ ubifs_assert(c, cnode);
nnode = cnode->parent;
if (!nnode)
return NULL;
@@ -83,7 +85,7 @@ static struct ubifs_cnode *next_dirty_cnode(struct ubifs_cnode *cnode)
if (cnode->level == 0)
return cnode; /* cnode is a pnode */
/* cnode is a nnode */
- return first_dirty_cnode((struct ubifs_nnode *)cnode);
+ return first_dirty_cnode(c, (struct ubifs_nnode *)cnode);
}
}
return (struct ubifs_cnode *)nnode;
@@ -106,15 +108,15 @@ static int get_cnodes_to_commit(struct ubifs_info *c)
if (!test_bit(DIRTY_CNODE, &c->nroot->flags))
return 0;
- c->lpt_cnext = first_dirty_cnode(c->nroot);
+ c->lpt_cnext = first_dirty_cnode(c, c->nroot);
cnode = c->lpt_cnext;
if (!cnode)
return 0;
cnt += 1;
while (1) {
- ubifs_assert(!test_bit(COW_CNODE, &cnode->flags));
+ ubifs_assert(c, !test_bit(COW_CNODE, &cnode->flags));
__set_bit(COW_CNODE, &cnode->flags);
- cnext = next_dirty_cnode(cnode);
+ cnext = next_dirty_cnode(c, cnode);
if (!cnext) {
cnode->cnext = c->lpt_cnext;
break;
@@ -125,7 +127,7 @@ static int get_cnodes_to_commit(struct ubifs_info *c)
}
dbg_cmt("committing %d cnodes", cnt);
dbg_lp("committing %d cnodes", cnt);
- ubifs_assert(cnt == c->dirty_nn_cnt + c->dirty_pn_cnt);
+ ubifs_assert(c, cnt == c->dirty_nn_cnt + c->dirty_pn_cnt);
return cnt;
}
@@ -141,7 +143,7 @@ static void upd_ltab(struct ubifs_info *c, int lnum, int free, int dirty)
dbg_lp("LEB %d free %d dirty %d to %d +%d",
lnum, c->ltab[lnum - c->lpt_first].free,
c->ltab[lnum - c->lpt_first].dirty, free, dirty);
- ubifs_assert(lnum >= c->lpt_first && lnum <= c->lpt_last);
+ ubifs_assert(c, lnum >= c->lpt_first && lnum <= c->lpt_last);
c->ltab[lnum - c->lpt_first].free = free;
c->ltab[lnum - c->lpt_first].dirty += dirty;
}
@@ -237,7 +239,7 @@ static int layout_cnodes(struct ubifs_info *c)
if (err)
goto no_space;
offs = 0;
- ubifs_assert(lnum >= c->lpt_first &&
+ ubifs_assert(c, lnum >= c->lpt_first &&
lnum <= c->lpt_last);
/* Try to place lsave and ltab nicely */
if (!done_lsave) {
@@ -280,7 +282,7 @@ static int layout_cnodes(struct ubifs_info *c)
if (err)
goto no_space;
offs = 0;
- ubifs_assert(lnum >= c->lpt_first &&
+ ubifs_assert(c, lnum >= c->lpt_first &&
lnum <= c->lpt_last);
}
done_lsave = 1;
@@ -300,7 +302,7 @@ static int layout_cnodes(struct ubifs_info *c)
if (err)
goto no_space;
offs = 0;
- ubifs_assert(lnum >= c->lpt_first &&
+ ubifs_assert(c, lnum >= c->lpt_first &&
lnum <= c->lpt_last);
}
c->ltab_lnum = lnum;
@@ -423,7 +425,7 @@ static int write_cnodes(struct ubifs_info *c)
if (err)
goto no_space;
offs = from = 0;
- ubifs_assert(lnum >= c->lpt_first &&
+ ubifs_assert(c, lnum >= c->lpt_first &&
lnum <= c->lpt_last);
err = ubifs_leb_unmap(c, lnum);
if (err)
@@ -480,7 +482,7 @@ static int write_cnodes(struct ubifs_info *c)
if (err)
goto no_space;
offs = from = 0;
- ubifs_assert(lnum >= c->lpt_first &&
+ ubifs_assert(c, lnum >= c->lpt_first &&
lnum <= c->lpt_last);
err = ubifs_leb_unmap(c, lnum);
if (err)
@@ -506,7 +508,7 @@ static int write_cnodes(struct ubifs_info *c)
if (err)
goto no_space;
offs = from = 0;
- ubifs_assert(lnum >= c->lpt_first &&
+ ubifs_assert(c, lnum >= c->lpt_first &&
lnum <= c->lpt_last);
err = ubifs_leb_unmap(c, lnum);
if (err)
@@ -806,7 +808,7 @@ static void populate_lsave(struct ubifs_info *c)
struct ubifs_lpt_heap *heap;
int i, cnt = 0;
- ubifs_assert(c->big_lpt);
+ ubifs_assert(c, c->big_lpt);
if (!(c->lpt_drty_flgs & LSAVE_DIRTY)) {
c->lpt_drty_flgs |= LSAVE_DIRTY;
ubifs_add_lpt_dirt(c, c->lsave_lnum, c->lsave_sz);
@@ -1095,8 +1097,8 @@ static int get_lpt_node_type(const struct ubifs_info *c, uint8_t *buf,
uint8_t *addr = buf + UBIFS_LPT_CRC_BYTES;
int pos = 0, node_type;
- node_type = ubifs_unpack_bits(&addr, &pos, UBIFS_LPT_TYPE_BITS);
- *node_num = ubifs_unpack_bits(&addr, &pos, c->pcnt_bits);
+ node_type = ubifs_unpack_bits(c, &addr, &pos, UBIFS_LPT_TYPE_BITS);
+ *node_num = ubifs_unpack_bits(c, &addr, &pos, c->pcnt_bits);
return node_type;
}
@@ -1116,7 +1118,7 @@ static int is_a_node(const struct ubifs_info *c, uint8_t *buf, int len)
if (len < UBIFS_LPT_CRC_BYTES + (UBIFS_LPT_TYPE_BITS + 7) / 8)
return 0;
- node_type = ubifs_unpack_bits(&addr, &pos, UBIFS_LPT_TYPE_BITS);
+ node_type = ubifs_unpack_bits(c, &addr, &pos, UBIFS_LPT_TYPE_BITS);
if (node_type == UBIFS_LPT_NOT_A_NODE)
return 0;
node_len = get_lpt_node_len(c, node_type);
@@ -1124,7 +1126,7 @@ static int is_a_node(const struct ubifs_info *c, uint8_t *buf, int len)
return 0;
pos = 0;
addr = buf;
- crc = ubifs_unpack_bits(&addr, &pos, UBIFS_LPT_CRC_BITS);
+ crc = ubifs_unpack_bits(c, &addr, &pos, UBIFS_LPT_CRC_BITS);
calc_crc = crc16(-1, buf + UBIFS_LPT_CRC_BYTES,
node_len - UBIFS_LPT_CRC_BYTES);
if (crc != calc_crc)
@@ -1170,7 +1172,7 @@ static int lpt_gc_lnum(struct ubifs_info *c, int lnum)
node_type = get_lpt_node_type(c, buf, &node_num);
node_len = get_lpt_node_len(c, node_type);
offs = c->leb_size - len;
- ubifs_assert(node_len != 0);
+ ubifs_assert(c, node_len != 0);
mutex_lock(&c->lp_mutex);
err = make_node_dirty(c, node_type, node_num, lnum, offs);
mutex_unlock(&c->lp_mutex);
@@ -1195,7 +1197,7 @@ static int lpt_gc(struct ubifs_info *c)
mutex_lock(&c->lp_mutex);
for (i = 0; i < c->lpt_lebs; i++) {
- ubifs_assert(!c->ltab[i].tgc);
+ ubifs_assert(c, !c->ltab[i].tgc);
if (i + c->lpt_first == c->nhead_lnum ||
c->ltab[i].free + c->ltab[i].dirty == c->leb_size)
continue;
@@ -1271,7 +1273,7 @@ int ubifs_lpt_start_commit(struct ubifs_info *c)
populate_lsave(c);
cnt = get_cnodes_to_commit(c);
- ubifs_assert(cnt != 0);
+ ubifs_assert(c, cnt != 0);
err = layout_cnodes(c);
if (err)
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