diff options
| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2007-04-03 00:48:28 +0200 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2007-05-01 07:17:04 +0200 |
| commit | d8a5ad75cc4d577987964e37a4c43b1c648c201e (patch) | |
| tree | 91604bf17f7a81cc60a214426c7ddca89bf4faee /include | |
| parent | NFS: Don't wait for congestion in nfs_update_request() (diff) | |
| download | linux-d8a5ad75cc4d577987964e37a4c43b1c648c201e.tar.xz linux-d8a5ad75cc4d577987964e37a4c43b1c648c201e.zip | |
NFS: Cleanup the coalescing code
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include')
| -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); |