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btrfs: assume valid token for btrfs_set/get_token helpers 

Now that we can safely assume that the token is always a valid pointer,
remove the branches that check that.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2019-08-09 17:30:23 +02:00
parent cb49511328
commit 48bc39501a
1 changed files with 12 additions and 12 deletions
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24
fs/btrfs/struct-funcs.c
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@ -52,7 +52,9 @@ u##bits btrfs_get_token_##bits(const struct extent_buffer *eb, \
int size = sizeof(u##bits); \
u##bits res; \
\
if (token && token->kaddr && token->offset <= offset && \
ASSERT(token); \
\
if (token->kaddr && token->offset <= offset && \
token->eb == eb && \
(token->offset + PAGE_SIZE >= offset + size)) { \
kaddr = token->kaddr; \
@ -70,11 +72,9 @@ u##bits btrfs_get_token_##bits(const struct extent_buffer *eb, \
} \
p = kaddr + part_offset - map_start; \
res = get_unaligned_le##bits(p + off); \
if (token) { \
token->kaddr = kaddr; \
token->offset = map_start; \
token->eb = eb; \
} \
token->kaddr = kaddr; \
token->offset = map_start; \
token->eb = eb; \
return res; \
} \
u##bits btrfs_get_##bits(const struct extent_buffer *eb, \
@ -116,7 +116,9 @@ void btrfs_set_token_##bits(struct extent_buffer *eb, \
unsigned long map_len; \
int size = sizeof(u##bits); \
\
if (token && token->kaddr && token->offset <= offset && \
ASSERT(token); \
\
if (token->kaddr && token->offset <= offset && \
token->eb == eb && \
(token->offset + PAGE_SIZE >= offset + size)) { \
kaddr = token->kaddr; \
@ -135,11 +137,9 @@ void btrfs_set_token_##bits(struct extent_buffer *eb, \
} \
p = kaddr + part_offset - map_start; \
put_unaligned_le##bits(val, p + off); \
if (token) { \
token->kaddr = kaddr; \
token->offset = map_start; \
token->eb = eb; \
} \
token->kaddr = kaddr; \
token->offset = map_start; \
token->eb = eb; \
} \
void btrfs_set_##bits(struct extent_buffer *eb, void *ptr, \
unsigned long off, u##bits val) \