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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2007-06-17 13:26:38 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2007-07-10 23:40:26 -0400 |
| commit | c03b40246123b2ced79e2620d1d2c089bb12369a (patch) | |
| tree | 59851fd137ee3ef4d7a3f6a5c6953011f45f8f96 /include/linux/nfs_page.h | |
| parent | a50f7951a31d3b976e829250853f89c9d2da32c0 (diff) | |
| download | linux-3.10-c03b40246123b2ced79e2620d1d2c089bb12369a.tar.gz linux-3.10-c03b40246123b2ced79e2620d1d2c089bb12369a.tar.bz2 linux-3.10-c03b40246123b2ced79e2620d1d2c089bb12369a.zip | |
NFS: Convert struct nfs_page to use krefs
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 | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h index bd193af8016..c780e7e39f9 100644 --- a/include/linux/nfs_page.h +++ b/include/linux/nfs_page.h @@ -16,7 +16,7 @@ #include <linux/sunrpc/auth.h> #include <linux/nfs_xdr.h> -#include <asm/atomic.h> +#include <linux/kref.h> /* * Valid flags for the radix tree @@ -42,7 +42,7 @@ struct nfs_page { unsigned int wb_offset, /* Offset & ~PAGE_CACHE_MASK */ wb_pgbase, /* Start of page data */ wb_bytes; /* Length of request */ - atomic_t wb_count; /* reference count */ + struct kref wb_kref; /* reference count */ unsigned long wb_flags; struct nfs_writeverf wb_verf; /* Commit cookie */ }; @@ -89,7 +89,7 @@ extern void nfs_clear_page_writeback(struct nfs_page *req); /* - * Lock the page of an asynchronous request without incrementing the wb_count + * Lock the page of an asynchronous request without getting a new reference */ static inline int nfs_lock_request_dontget(struct nfs_page *req) @@ -98,14 +98,14 @@ nfs_lock_request_dontget(struct nfs_page *req) } /* - * Lock the page of an asynchronous request + * Lock the page of an asynchronous request and take a reference */ static inline int nfs_lock_request(struct nfs_page *req) { if (test_and_set_bit(PG_BUSY, &req->wb_flags)) return 0; - atomic_inc(&req->wb_count); + kref_get(&req->wb_kref); return 1; } |