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nilfs2: hide nilfs_write_info struct in segment buffer code

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Hides nilfs_write_info struct and nilfs_segbuf_prepare_write function
in segbuf.c to simplify the interface of nilfs_segbuf_write function.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
This commit is contained in:
Ryusuke Konishi
2009-11-29 01:17:31 +09:00
parent 9284ad2a90
commit 9c965bac16
3 changed files with 49 additions and 49 deletions
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24
fs/nilfs2/segbuf.h
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@@ -27,7 +27,6 @@
#include <linux/buffer_head.h>
#include <linux/bio.h>
#include <linux/completion.h>
#include <linux/backing-dev.h>
/**
* struct nilfs_segsum_info - On-memory segment summary
@@ -173,27 +172,8 @@ static inline void nilfs_segbuf_clear(struct nilfs_segment_buffer *segbuf)
nilfs_release_buffers(&segbuf->sb_payload_buffers);
}
struct nilfs_write_info {
struct bio *bio;
int start, end; /* The region to be submitted */
int rest_blocks;
int max_pages;
int nr_vecs;
sector_t blocknr;
/*
* The following fields must be set explicitly
*/
struct super_block *sb;
struct backing_dev_info *bdi; /* backing dev info */
struct buffer_head *bh_sr;
};
void nilfs_segbuf_prepare_write(struct nilfs_segment_buffer *,
struct nilfs_write_info *);
int nilfs_segbuf_write(struct nilfs_segment_buffer *,
struct nilfs_write_info *);
int nilfs_segbuf_write(struct nilfs_segment_buffer *segbuf,
struct the_nilfs *nilfs);
int nilfs_segbuf_wait(struct nilfs_segment_buffer *segbuf);
#endif /* _NILFS_SEGBUF_H */