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Diffstat (limited to 'fs/btrfs/extent_io.c')
-rw-r--r--fs/btrfs/extent_io.c24
1 files changed, 11 insertions, 13 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index a2fff9a0fe91..42e7f6a8f91d 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -5381,9 +5381,8 @@ unlock_exit:
return ret;
}
-void read_extent_buffer(struct extent_buffer *eb, void *dstv,
- unsigned long start,
- unsigned long len)
+void read_extent_buffer(const struct extent_buffer *eb, void *dstv,
+ unsigned long start, unsigned long len)
{
size_t cur;
size_t offset;
@@ -5412,9 +5411,9 @@ void read_extent_buffer(struct extent_buffer *eb, void *dstv,
}
}
-int read_extent_buffer_to_user(struct extent_buffer *eb, void __user *dstv,
- unsigned long start,
- unsigned long len)
+int read_extent_buffer_to_user(const struct extent_buffer *eb,
+ void __user *dstv,
+ unsigned long start, unsigned long len)
{
size_t cur;
size_t offset;
@@ -5449,10 +5448,10 @@ int read_extent_buffer_to_user(struct extent_buffer *eb, void __user *dstv,
return ret;
}
-int map_private_extent_buffer(struct extent_buffer *eb, unsigned long start,
- unsigned long min_len, char **map,
- unsigned long *map_start,
- unsigned long *map_len)
+int map_private_extent_buffer(const struct extent_buffer *eb,
+ unsigned long start, unsigned long min_len,
+ char **map, unsigned long *map_start,
+ unsigned long *map_len)
{
size_t offset = start & (PAGE_CACHE_SIZE - 1);
char *kaddr;
@@ -5487,9 +5486,8 @@ int map_private_extent_buffer(struct extent_buffer *eb, unsigned long start,
return 0;
}
-int memcmp_extent_buffer(struct extent_buffer *eb, const void *ptrv,
- unsigned long start,
- unsigned long len)
+int memcmp_extent_buffer(const struct extent_buffer *eb, const void *ptrv,
+ unsigned long start, unsigned long len)
{
size_t cur;
size_t offset;