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| author | Bryan Schumaker <bjschuma@netapp.com> | 2010-10-20 15:44:37 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2010-10-23 15:27:35 -0400 |
| commit | 56e4ebf877b6043c289bda32a5a7385b80c17dee (patch) | |
| tree | 160ae8d5b5ee3871d02a9f5283187430c9ec5ffe /fs/nfs/internal.h | |
| parent | afa8ccc978c24d8ab22e3b3b8cbd1054c84c070b (diff) | |
NFS: readdir with vmapped pages
We can use vmapped pages to read more information from the network at once.
This will reduce the number of calls needed to complete a readdir.
Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
[trondmy: Added #include for linux/vmalloc.h> in fs/nfs/dir.c]
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/internal.h')
| -rw-r--r-- | fs/nfs/internal.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index 74b015598a4..7b0e894d00c 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -63,6 +63,12 @@ struct nfs_clone_mount { #define NFS_UNSPEC_PORT (-1) /* + * Maximum number of pages that readdir can use for creating + * a vmapped array of pages. + */ +#define NFS_MAX_READDIR_PAGES 8 + +/* * In-kernel mount arguments */ struct nfs_parsed_mount_data { |