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| author | David Howells <dhowells@redhat.com> | 2017-01-05 10:38:34 +0000 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2017-01-06 16:54:41 +0000 |
| commit | 196ee9cd2d04728d0ec0038a2856b86142615b11 (patch) | |
| tree | 4fd4e796d4f658787ca7e8dc88f8973622fba028 /fs/afs/write.c | |
| parent | c1878f7a89efbbe1ac0082d09b2928782a6ceba1 (diff) | |
| download | linux-196ee9cd2d04728d0ec0038a2856b86142615b11.tar.gz | |
afs: Make afs_fs_fetch_data() take a list of pages
Make afs_fs_fetch_data() take a list of pages for bulk data transfer. This will allow afs_readpages() to be made more efficient. Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'fs/afs/write.c')
| -rw-r--r-- | fs/afs/write.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/fs/afs/write.c b/fs/afs/write.c index f865c3f05bea..c83c1a0e851f 100644 --- a/fs/afs/write.c +++ b/fs/afs/write.c @@ -86,19 +86,30 @@ void afs_put_writeback(struct afs_writeback *wb) static int afs_fill_page(struct afs_vnode *vnode, struct key *key, loff_t pos, struct page *page) { + struct afs_read *req; loff_t i_size; int ret; - int len; _enter(",,%llu", (unsigned long long)pos); + req = kzalloc(sizeof(struct afs_read) + sizeof(struct page *), + GFP_KERNEL); + if (!req) + return -ENOMEM; + + atomic_set(&req->usage, 1); + req->pos = pos; + req->nr_pages = 1; + req->pages[0] = page; + i_size = i_size_read(&vnode->vfs_inode); if (pos + PAGE_SIZE > i_size) - len = i_size - pos; + req->len = i_size - pos; else - len = PAGE_SIZE; + req->len = PAGE_SIZE; - ret = afs_vnode_fetch_data(vnode, key, pos, len, page); + ret = afs_vnode_fetch_data(vnode, key, req); + afs_put_read(req); if (ret < 0) { if (ret == -ENOENT) { _debug("got NOENT from server" |