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authorAl Viro <viro@zeniv.linux.org.uk>2019-03-06 18:13:00 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2019-03-17 20:52:29 -0400
commit958c13ce141cd5183d3995553315d0ed27daa823 (patch)
tree01fc8b4dfbfaf24be256c2c8c473f892c0f2a649 /fs/aio.c
parentaf5c72b1fc7a00aa484e90b0c4e0eeb582545634 (diff)
downloadlwn-958c13ce141cd5183d3995553315d0ed27daa823.tar.gz
lwn-958c13ce141cd5183d3995553315d0ed27daa823.zip
make aio_read()/aio_write() return int
that ssize_t is a rudiment of earlier calling conventions; it's been used only to pass 0 and -E... since last autumn. Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/aio.c')
-rw-r--r--fs/aio.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/fs/aio.c b/fs/aio.c
index 39a075992ca2..0e0b939958fa 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -1513,13 +1513,13 @@ static inline void aio_rw_done(struct kiocb *req, ssize_t ret)
}
}
-static ssize_t aio_read(struct kiocb *req, const struct iocb *iocb,
+static int aio_read(struct kiocb *req, const struct iocb *iocb,
bool vectored, bool compat)
{
struct iovec inline_vecs[UIO_FASTIOV], *iovec = inline_vecs;
struct iov_iter iter;
struct file *file;
- ssize_t ret;
+ int ret;
ret = aio_prep_rw(req, iocb);
if (ret)
@@ -1541,13 +1541,13 @@ static ssize_t aio_read(struct kiocb *req, const struct iocb *iocb,
return ret;
}
-static ssize_t aio_write(struct kiocb *req, const struct iocb *iocb,
+static int aio_write(struct kiocb *req, const struct iocb *iocb,
bool vectored, bool compat)
{
struct iovec inline_vecs[UIO_FASTIOV], *iovec = inline_vecs;
struct iov_iter iter;
struct file *file;
- ssize_t ret;
+ int ret;
ret = aio_prep_rw(req, iocb);
if (ret)
@@ -1710,7 +1710,7 @@ aio_poll_queue_proc(struct file *file, struct wait_queue_head *head,
add_wait_queue(head, &pt->iocb->poll.wait);
}
-static ssize_t aio_poll(struct aio_kiocb *aiocb, const struct iocb *iocb)
+static int aio_poll(struct aio_kiocb *aiocb, const struct iocb *iocb)
{
struct kioctx *ctx = aiocb->ki_ctx;
struct poll_iocb *req = &aiocb->poll;
@@ -1775,7 +1775,7 @@ static int __io_submit_one(struct kioctx *ctx, const struct iocb *iocb,
struct iocb __user *user_iocb, bool compat)
{
struct aio_kiocb *req;
- ssize_t ret;
+ int ret;
/* enforce forwards compatibility on users */
if (unlikely(iocb->aio_reserved2)) {