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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2007-04-02 18:48:28 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2007-04-30 22:17:04 -0700 |
| commit | d8a5ad75cc4d577987964e37a4c43b1c648c201e (patch) | |
| tree | 91604bf17f7a81cc60a214426c7ddca89bf4faee /include/linux/nfs_page.h | |
| parent | 91e59c368c6ba5eed0369a085c42c9f270b97aa8 (diff) | |
| download | lwn-d8a5ad75cc4d577987964e37a4c43b1c648c201e.tar.gz lwn-d8a5ad75cc4d577987964e37a4c43b1c648c201e.zip | |
NFS: Cleanup the coalescing code
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include/linux/nfs_page.h')
| -rw-r--r-- | include/linux/nfs_page.h | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h index 16b0266b14fd..3ef8e0441473 100644 --- a/include/linux/nfs_page.h +++ b/include/linux/nfs_page.h @@ -48,6 +48,13 @@ struct nfs_page { struct nfs_writeverf wb_verf; /* Commit cookie */ }; +struct nfs_pageio_descriptor { + struct list_head pg_list; + size_t pg_count; + size_t pg_bsize; + unsigned int pg_base; +}; + #define NFS_WBACK_BUSY(req) (test_bit(PG_BUSY,&(req)->wb_flags)) extern struct nfs_page *nfs_create_request(struct nfs_open_context *ctx, @@ -64,8 +71,10 @@ extern long nfs_scan_dirty(struct address_space *mapping, struct list_head *dst); extern int nfs_scan_list(struct nfs_inode *nfsi, struct list_head *head, struct list_head *dst, unsigned long idx_start, unsigned int npages); -extern int nfs_coalesce_requests(struct list_head *, struct list_head *, - unsigned int); +extern void nfs_pageio_init(struct nfs_pageio_descriptor *desc, + size_t iosize); +extern void nfs_pageio_add_list(struct nfs_pageio_descriptor *, + struct list_head *); extern int nfs_wait_on_request(struct nfs_page *); extern void nfs_unlock_request(struct nfs_page *req); extern int nfs_set_page_writeback_locked(struct nfs_page *req); |