diff options
author | Mike Snitzer <snitzer@redhat.com> | 2013-02-14 09:42:38 +1100 |
---|---|---|
committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2013-02-14 09:42:38 +1100 |
commit | ccd32350e68bd63b65f972ed45ab99295870c4ad (patch) | |
tree | e20b1c15c996b3293d5ab1029d51da1dff7f02f9 /drivers/md | |
parent | 903113a8de5141ca5fb961a988d0a160974141b7 (diff) |
Mark some constant parameters constant in some dm-btree functions.
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'drivers/md')
-rw-r--r-- | drivers/md/dm-thin-metadata.c | 12 | ||||
-rw-r--r-- | drivers/md/persistent-data/dm-btree.h | 6 |
2 files changed, 9 insertions, 9 deletions
diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c index 4d6e85367b84..00cee02f8fc9 100644 --- a/drivers/md/dm-thin-metadata.c +++ b/drivers/md/dm-thin-metadata.c @@ -280,7 +280,7 @@ static void unpack_block_time(uint64_t v, dm_block_t *b, uint32_t *t) *t = v & ((1 << 24) - 1); } -static void data_block_inc(void *context, void *value_le) +static void data_block_inc(void *context, const void *value_le) { struct dm_space_map *sm = context; __le64 v_le; @@ -292,7 +292,7 @@ static void data_block_inc(void *context, void *value_le) dm_sm_inc_block(sm, b); } -static void data_block_dec(void *context, void *value_le) +static void data_block_dec(void *context, const void *value_le) { struct dm_space_map *sm = context; __le64 v_le; @@ -304,7 +304,7 @@ static void data_block_dec(void *context, void *value_le) dm_sm_dec_block(sm, b); } -static int data_block_equal(void *context, void *value1_le, void *value2_le) +static int data_block_equal(void *context, const void *value1_le, const void *value2_le) { __le64 v1_le, v2_le; uint64_t b1, b2; @@ -318,7 +318,7 @@ static int data_block_equal(void *context, void *value1_le, void *value2_le) return b1 == b2; } -static void subtree_inc(void *context, void *value) +static void subtree_inc(void *context, const void *value) { struct dm_btree_info *info = context; __le64 root_le; @@ -329,7 +329,7 @@ static void subtree_inc(void *context, void *value) dm_tm_inc(info->tm, root); } -static void subtree_dec(void *context, void *value) +static void subtree_dec(void *context, const void *value) { struct dm_btree_info *info = context; __le64 root_le; @@ -341,7 +341,7 @@ static void subtree_dec(void *context, void *value) DMERR("btree delete failed\n"); } -static int subtree_equal(void *context, void *value1_le, void *value2_le) +static int subtree_equal(void *context, const void *value1_le, const void *value2_le) { __le64 v1_le, v2_le; memcpy(&v1_le, value1_le, sizeof(v1_le)); diff --git a/drivers/md/persistent-data/dm-btree.h b/drivers/md/persistent-data/dm-btree.h index a2cd50441ca1..fced8316bca2 100644 --- a/drivers/md/persistent-data/dm-btree.h +++ b/drivers/md/persistent-data/dm-btree.h @@ -58,21 +58,21 @@ struct dm_btree_value_type { * somewhere.) This method is _not_ called for insertion of a new * value: It is assumed the ref count is already 1. */ - void (*inc)(void *context, void *value); + void (*inc)(void *context, const void *value); /* * This value is being deleted. The btree takes care of freeing * the memory pointed to by @value. Often the del function just * needs to decrement a reference count somewhere. */ - void (*dec)(void *context, void *value); + void (*dec)(void *context, const void *value); /* * A test for equality between two values. When a value is * overwritten with a new one, the old one has the dec method * called _unless_ the new and old value are deemed equal. */ - int (*equal)(void *context, void *value1, void *value2); + int (*equal)(void *context, const void *value1, const void *value2); }; /* |