diff options
author | Chris Metcalf <cmetcalf@tilera.com> | 2011-08-02 16:14:02 -0400 |
---|---|---|
committer | Chris Metcalf <cmetcalf@tilera.com> | 2011-08-02 16:14:02 -0400 |
commit | 3d071cd313643cf82b1ce1ce4fdf08d63ad53964 (patch) | |
tree | 874c1683f32f07614aa123f6ca5cf6c2bd443704 /fs/afs/write.c | |
parent | cf8e98d15361f8c594da00a3f7a500787fc1a426 (diff) | |
parent | 02f8c6aee8df3cdc935e9bdd4f2d020306035dbe (diff) | |
download | linux-3d071cd313643cf82b1ce1ce4fdf08d63ad53964.tar.bz2 |
Merge tag 'v3.0' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-linus
Diffstat (limited to 'fs/afs/write.c')
-rw-r--r-- | fs/afs/write.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/fs/afs/write.c b/fs/afs/write.c index 789b3afb3423..b806285ff853 100644 --- a/fs/afs/write.c +++ b/fs/afs/write.c @@ -84,23 +84,21 @@ void afs_put_writeback(struct afs_writeback *wb) * partly or wholly fill a page that's under preparation for writing */ static int afs_fill_page(struct afs_vnode *vnode, struct key *key, - loff_t pos, unsigned len, struct page *page) + loff_t pos, struct page *page) { loff_t i_size; - unsigned eof; int ret; + int len; - _enter(",,%llu,%u", (unsigned long long)pos, len); - - ASSERTCMP(len, <=, PAGE_CACHE_SIZE); + _enter(",,%llu", (unsigned long long)pos); i_size = i_size_read(&vnode->vfs_inode); - if (pos + len > i_size) - eof = i_size; + if (pos + PAGE_CACHE_SIZE > i_size) + len = i_size - pos; else - eof = PAGE_CACHE_SIZE; + len = PAGE_CACHE_SIZE; - ret = afs_vnode_fetch_data(vnode, key, 0, eof, page); + ret = afs_vnode_fetch_data(vnode, key, pos, len, page); if (ret < 0) { if (ret == -ENOENT) { _debug("got NOENT from server" @@ -153,9 +151,8 @@ int afs_write_begin(struct file *file, struct address_space *mapping, *pagep = page; /* page won't leak in error case: it eventually gets cleaned off LRU */ - if (!PageUptodate(page)) { - _debug("not up to date"); - ret = afs_fill_page(vnode, key, pos, len, page); + if (!PageUptodate(page) && len != PAGE_CACHE_SIZE) { + ret = afs_fill_page(vnode, key, index << PAGE_CACHE_SHIFT, page); if (ret < 0) { kfree(candidate); _leave(" = %d [prep]", ret); |