diff options
| -rw-r--r-- | drivers/block/loop.c | 4 | ||||
| -rw-r--r-- | fs/nfsd/vfs.c | 4 | ||||
| -rw-r--r-- | fs/splice.c | 43 |
3 files changed, 14 insertions, 37 deletions
diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 7ea0bea2f7e..c87b0840d2c 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -397,10 +397,6 @@ lo_splice_actor(struct pipe_inode_info *pipe, struct pipe_buffer *buf, sector_t IV; int size, ret; - ret = buf->ops->confirm(pipe, buf); - if (unlikely(ret)) - return ret; - IV = ((sector_t) page->index << (PAGE_CACHE_SHIFT - 9)) + (buf->offset >> 9); size = sd->len; diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index 184938fcff0..c6e08661ade 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -847,10 +847,6 @@ nfsd_splice_actor(struct pipe_inode_info *pipe, struct pipe_buffer *buf, size_t size; int ret; - ret = buf->ops->confirm(pipe, buf); - if (unlikely(ret)) - return ret; - size = sd->len; if (rqstp->rq_res.page_len == 0) { diff --git a/fs/splice.c b/fs/splice.c index 8f1dfaecc8f..d2026382ac3 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -682,19 +682,14 @@ static int pipe_to_sendpage(struct pipe_inode_info *pipe, { struct file *file = sd->u.file; loff_t pos = sd->pos; - int ret, more; - - ret = buf->ops->confirm(pipe, buf); - if (!ret) { - more = (sd->flags & SPLICE_F_MORE) || sd->len < sd->total_len; - if (file->f_op && file->f_op->sendpage) - ret = file->f_op->sendpage(file, buf->page, buf->offset, - sd->len, &pos, more); - else - ret = -EINVAL; - } + int more; - return ret; + if (!likely(file->f_op && file->f_op->sendpage)) + return -EINVAL; + + more = (sd->flags & SPLICE_F_MORE) || sd->len < sd->total_len; + return file->f_op->sendpage(file, buf->page, buf->offset, + sd->len, &pos, more); } /* @@ -727,13 +722,6 @@ int pipe_to_file(struct pipe_inode_info *pipe, struct pipe_buffer *buf, void *fsdata; int ret; - /* - * make sure the data in this buffer is uptodate - */ - ret = buf->ops->confirm(pipe, buf); - if (unlikely(ret)) - return ret; - offset = sd->pos & ~PAGE_CACHE_MASK; this_len = sd->len; @@ -805,12 +793,17 @@ int splice_from_pipe_feed(struct pipe_inode_info *pipe, struct splice_desc *sd, if (sd->len > sd->total_len) sd->len = sd->total_len; - ret = actor(pipe, buf, sd); - if (ret <= 0) { + ret = buf->ops->confirm(pipe, buf); + if (unlikely(ret)) { if (ret == -ENODATA) ret = 0; return ret; } + + ret = actor(pipe, buf, sd); + if (ret <= 0) + return ret; + buf->offset += ret; buf->len -= ret; @@ -1044,10 +1037,6 @@ static int write_pipe_buf(struct pipe_inode_info *pipe, struct pipe_buffer *buf, int ret; void *data; - ret = buf->ops->confirm(pipe, buf); - if (ret) - return ret; - data = buf->ops->map(pipe, buf, 0); ret = kernel_write(sd->u.file, data + buf->offset, sd->len, sd->pos); buf->ops->unmap(pipe, buf, data); @@ -1507,10 +1496,6 @@ static int pipe_to_user(struct pipe_inode_info *pipe, struct pipe_buffer *buf, char *src; int ret; - ret = buf->ops->confirm(pipe, buf); - if (unlikely(ret)) - return ret; - /* * See if we can use the atomic maps, by prefaulting in the * pages and doing an atomic copy |