void ocfs2_end_buffer_io_sync(struct buffer_head *bh,
int uptodate);
-static inline int ocfs2_read_block(struct inode *inode,
- u64 off,
- struct buffer_head **bh);
-
int ocfs2_write_block(struct ocfs2_super *osb,
struct buffer_head *bh,
struct inode *inode);
-int ocfs2_read_blocks(struct inode *inode,
- u64 block,
- int nr,
- struct buffer_head *bhs[],
- int flags);
int ocfs2_read_blocks_sync(struct ocfs2_super *osb, u64 block,
unsigned int nr, struct buffer_head *bhs[]);
+/*
+ * If not NULL, validate() will be called on a buffer that is freshly
+ * read from disk. It will not be called if the buffer was in cache.
+ * Note that if validate() is being used for this buffer, it needs to
+ * be set even for a READAHEAD call, as it marks the buffer for later
+ * validation.
+ */
+int ocfs2_read_blocks(struct inode *inode, u64 block, int nr,
+ struct buffer_head *bhs[], int flags,
+ int (*validate)(struct super_block *sb,
+ struct buffer_head *bh));
+
int ocfs2_write_super_or_backup(struct ocfs2_super *osb,
struct buffer_head *bh);
#define OCFS2_BH_READAHEAD 8
static inline int ocfs2_read_block(struct inode *inode, u64 off,
- struct buffer_head **bh)
+ struct buffer_head **bh,
+ int (*validate)(struct super_block *sb,
+ struct buffer_head *bh))
{
int status = 0;
goto bail;
}
- status = ocfs2_read_blocks(inode, off, 1, bh, 0);
+ status = ocfs2_read_blocks(inode, off, 1, bh, 0, validate);
bail:
return status;