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Btrfs: Allow tree blocks larger than the page size

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason 2007-10-15 16:15:53 -04:00
parent 1a5bc167f6
commit db94535db7
15 changed files with 738 additions and 497 deletions
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10
fs/btrfs/extent_map.h
View file

@ -70,7 +70,12 @@ struct extent_buffer {
struct list_head list;
struct list_head leak_list;
struct page *first_page;
struct page *last_page;
unsigned long alloc_addr;
char *map_token;
char *kaddr;
unsigned long map_start;
unsigned long map_len;
};
typedef struct extent_map *(get_extent_t)(struct inode *inode,
@ -147,11 +152,6 @@ static inline void extent_buffer_get(struct extent_buffer *eb)
atomic_inc(&eb->refs);
}
static inline u64 extent_buffer_blocknr(struct extent_buffer *eb)
{
return eb->start / 4096;
}
int memcmp_extent_buffer(struct extent_buffer *eb, const void *ptrv,
unsigned long start,
unsigned long len);