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NFS: remove nfs_inode radix tree

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The radix tree is only being used to compile lists of reqs needing commit.
It is simpler to just put the reqs directly into a list.

Signed-off-by: Fred Isaman <iisaman@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Fred Isaman
2012-03-08 17:29:35 -05:00
committed by Trond Myklebust
parent 9994b62b56
commit d6d6dc7cdf
9 changed files with 208 additions and 194 deletions
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13
include/linux/nfs_page.h
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@@ -18,11 +18,6 @@
#include <linux/kref.h>
/*
* Valid flags for the radix tree
*/
#define NFS_PAGE_TAG_COMMIT 1
/*
* Valid flags for a dirty buffer
*/
@@ -32,16 +27,12 @@ enum {
PG_CLEAN,
PG_NEED_COMMIT,
PG_NEED_RESCHED,
PG_PNFS_COMMIT,
PG_PARTIAL_READ_FAILED,
};
struct nfs_inode;
struct nfs_page {
union {
struct list_head wb_list; /* Defines state of page: */
struct pnfs_layout_segment *wb_commit_lseg; /* Used when PG_PNFS_COMMIT set */
};
struct list_head wb_list; /* Defines state of page: */
struct page *wb_page; /* page to read in/write out */
struct nfs_open_context *wb_context; /* File state context info */
struct nfs_lock_context *wb_lock_context; /* lock context info */
@@ -89,8 +80,6 @@ extern struct nfs_page *nfs_create_request(struct nfs_open_context *ctx,
extern void nfs_release_request(struct nfs_page *req);
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,
const struct nfs_pageio_ops *pg_ops,