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NFS cleanup: speed up nfs_scan_commit using radix tree tags

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Add a tag for requests that are waiting for a COMMIT

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust
2007-06-17 15:27:42 -04:00
parent 9fd367f0f3
commit 5c36968343
3 changed files with 15 additions and 10 deletions
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5
include/linux/nfs_page.h
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@@ -22,6 +22,7 @@
* Valid flags for the radix tree
*/
#define NFS_PAGE_TAG_LOCKED 0
#define NFS_PAGE_TAG_COMMIT 1
/*
* Valid flags for a dirty buffer
@@ -71,8 +72,8 @@ extern void nfs_clear_request(struct nfs_page *req);
extern void nfs_release_request(struct nfs_page *req);
extern int nfs_scan_list(struct nfs_inode *nfsi, struct list_head *head, struct list_head *dst,
pgoff_t idx_start, unsigned int npages);
extern int nfs_scan_list(struct nfs_inode *nfsi, struct list_head *dst,
pgoff_t idx_start, unsigned int npages, int tag);
extern void nfs_pageio_init(struct nfs_pageio_descriptor *desc,
struct inode *inode,
int (*doio)(struct inode *, struct list_head *, unsigned int, size_t, int),