diff options
Diffstat (limited to 'fs/nfs/read.c')
| -rw-r--r-- | fs/nfs/read.c | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/fs/nfs/read.c b/fs/nfs/read.c index 52bf634260a..da9cf11c326 100644 --- a/fs/nfs/read.c +++ b/fs/nfs/read.c @@ -63,7 +63,7 @@ struct nfs_read_data *nfs_readdata_alloc(unsigned int pagecount) return p; } -void nfs_readdata_free(struct nfs_read_data *p) +static void nfs_readdata_free(struct nfs_read_data *p) { if (p && (p->pagevec != &p->page_array[0])) kfree(p->pagevec); @@ -116,10 +116,17 @@ static void nfs_readpage_truncate_uninitialised_page(struct nfs_read_data *data) pages = &data->args.pages[base >> PAGE_CACHE_SHIFT]; base &= ~PAGE_CACHE_MASK; pglen = PAGE_CACHE_SIZE - base; - if (pglen < remainder) + for (;;) { + if (remainder <= pglen) { + memclear_highpage_flush(*pages, base, remainder); + break; + } memclear_highpage_flush(*pages, base, pglen); - else - memclear_highpage_flush(*pages, base, remainder); + pages++; + remainder -= pglen; + pglen = PAGE_CACHE_SIZE; + base = 0; + } } /* @@ -476,6 +483,8 @@ static void nfs_readpage_set_pages_uptodate(struct nfs_read_data *data) unsigned int base = data->args.pgbase; struct page **pages; + if (data->res.eof) + count = data->args.count; if (unlikely(count == 0)) return; pages = &data->args.pages[base >> PAGE_CACHE_SHIFT]; @@ -483,11 +492,7 @@ static void nfs_readpage_set_pages_uptodate(struct nfs_read_data *data) count += base; for (;count >= PAGE_CACHE_SIZE; count -= PAGE_CACHE_SIZE, pages++) SetPageUptodate(*pages); - /* - * Was this an eof or a short read? If the latter, don't mark the page - * as uptodate yet. - */ - if (count > 0 && (data->res.eof || data->args.count == data->res.count)) + if (count != 0) SetPageUptodate(*pages); } @@ -502,6 +507,8 @@ static void nfs_readpage_set_pages_error(struct nfs_read_data *data) count += base; for (;count >= PAGE_CACHE_SIZE; count -= PAGE_CACHE_SIZE, pages++) SetPageError(*pages); + if (count != 0) + SetPageError(*pages); } /* |