| Message ID | 153356146640.1195.13118526596319391965.stgit@warthog.procyon.org.uk (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | iov_iter: Add new iters and use with AFS | expand |
diff --git a/fs/afs/write.c b/fs/afs/write.c index 6ff0f25836de..7c7a03310f16 100644 --- a/fs/afs/write.c +++ b/fs/afs/write.c @@ -33,10 +33,21 @@ static int afs_fill_page(struct afs_vnode *vnode, struct key *key, loff_t pos, unsigned int len, struct page *page) { struct afs_read *req; + size_t p; + void *data; int ret; _enter(",,%llu", (unsigned long long)pos); + if (pos >= vnode->vfs_inode.i_size) { + p = pos & ~PAGE_MASK; + ASSERTCMP(p + len, <=, PAGE_SIZE); + data = kmap(page); + memset(data + p, 0, len); + kunmap(page); + return 0; + } + req = kzalloc(sizeof(struct afs_read), GFP_KERNEL); if (!req) return -ENOMEM;
When writing a new page, clear space in the page rather than attempting to load it from the server if the space is beyond the EOF. Signed-off-by: David Howells <dhowells@redhat.com> --- fs/afs/write.c | 11 +++++++++++ 1 file changed, 11 insertions(+)