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| author | Fred Isaman <iisaman@netapp.com> | 2012-04-20 14:47:45 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-04-27 14:10:37 -0400 |
| commit | 30dd374f6fc1b202db3a1b57b61afff1326bad92 (patch) | |
| tree | 7d3b631be897dd79a916ee8d410fd2bb92da4890 /fs/nfs/pagelist.c | |
| parent | cd841605f7a721878d8a2d1362484723d8abf569 (diff) | |
| download | linux-30dd374f6fc1b202db3a1b57b61afff1326bad92.tar.gz linux-30dd374f6fc1b202db3a1b57b61afff1326bad92.tar.bz2 linux-30dd374f6fc1b202db3a1b57b61afff1326bad92.zip | |
NFS: create struct nfs_page_array
Both nfs_read_data and nfs_write_data devote several fields which
can be combined into a single shared struct.
Signed-off-by: Fred Isaman <iisaman@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/pagelist.c')
| -rw-r--r-- | fs/nfs/pagelist.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c index d21fceaa9f62..d349bd4c48db 100644 --- a/fs/nfs/pagelist.c +++ b/fs/nfs/pagelist.c @@ -26,6 +26,19 @@ static struct kmem_cache *nfs_page_cachep; +bool nfs_pgarray_set(struct nfs_page_array *p, unsigned int pagecount) +{ + p->npages = pagecount; + if (pagecount <= ARRAY_SIZE(p->page_array)) + p->pagevec = p->page_array; + else { + p->pagevec = kcalloc(pagecount, sizeof(struct page *), GFP_KERNEL); + if (!p->pagevec) + p->npages = 0; + } + return p->pagevec != NULL; +} + static inline struct nfs_page * nfs_page_alloc(void) { |