GitHub-Mirror/linux-bl808
2
0
Fork 0
mirror of https://github.com/Fishwaldo/linux-bl808.git synced 2025-06-17 20:25:19 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

NFS: Another cleanup of the read/write request coalescing code

Browse source 
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2007-04-02 18:48:28 -04:00
parent d8a5ad75cc
commit bcb71bba7e
4 changed files with 125 additions and 75 deletions
Download patch file Download diff file Expand all files Collapse all files

14
include/linux/nfs_page.h
View file

@ -50,9 +50,15 @@ struct nfs_page {
struct nfs_pageio_descriptor {
struct list_head pg_list;
unsigned long pg_bytes_written;
size_t pg_count;
size_t pg_bsize;
unsigned int pg_base;
struct inode *pg_inode;
int (*pg_doio)(struct inode *, struct list_head *, size_t, int);
int pg_ioflags;
int pg_error;
};
#define NFS_WBACK_BUSY(req) (test_bit(PG_BUSY,&(req)->wb_flags))
@ -71,10 +77,14 @@ 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 void nfs_pageio_init(struct nfs_pageio_descriptor *desc,
size_t iosize);
extern void nfs_pageio_init(struct nfs_pageio_descriptor *desc,
struct inode *inode,
int (*doio)(struct inode *, struct list_head *, size_t, int),
size_t bsize,
int how);
extern void nfs_pageio_add_list(struct nfs_pageio_descriptor *,
struct list_head *);
extern void nfs_pageio_complete(struct nfs_pageio_descriptor *desc);
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);