io_uring: add io_statx structure
Separate statx data from open in io_kiocb. No functional changes. Signed-off-by: Bijan Mottahedeh <bijan.mottahedeh@oracle.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Родитель
0bf0eefdab
Коммит
1d9e128803
|
@ -425,11 +425,7 @@ struct io_sr_msg {
|
|||
struct io_open {
|
||||
struct file *file;
|
||||
int dfd;
|
||||
union {
|
||||
unsigned mask;
|
||||
};
|
||||
struct filename *filename;
|
||||
struct statx __user *buffer;
|
||||
struct open_how how;
|
||||
unsigned long nofile;
|
||||
};
|
||||
|
@ -481,6 +477,15 @@ struct io_provide_buf {
|
|||
__u16 bid;
|
||||
};
|
||||
|
||||
struct io_statx {
|
||||
struct file *file;
|
||||
int dfd;
|
||||
unsigned int mask;
|
||||
unsigned int flags;
|
||||
struct filename *filename;
|
||||
struct statx __user *buffer;
|
||||
};
|
||||
|
||||
struct io_async_connect {
|
||||
struct sockaddr_storage address;
|
||||
};
|
||||
|
@ -622,6 +627,7 @@ struct io_kiocb {
|
|||
struct io_epoll epoll;
|
||||
struct io_splice splice;
|
||||
struct io_provide_buf pbuf;
|
||||
struct io_statx statx;
|
||||
};
|
||||
|
||||
struct io_async_ctx *io;
|
||||
|
@ -3381,19 +3387,19 @@ static int io_statx_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
|
|||
if (req->flags & REQ_F_NEED_CLEANUP)
|
||||
return 0;
|
||||
|
||||
req->open.dfd = READ_ONCE(sqe->fd);
|
||||
req->open.mask = READ_ONCE(sqe->len);
|
||||
req->statx.dfd = READ_ONCE(sqe->fd);
|
||||
req->statx.mask = READ_ONCE(sqe->len);
|
||||
fname = u64_to_user_ptr(READ_ONCE(sqe->addr));
|
||||
req->open.buffer = u64_to_user_ptr(READ_ONCE(sqe->addr2));
|
||||
req->open.how.flags = READ_ONCE(sqe->statx_flags);
|
||||
req->statx.buffer = u64_to_user_ptr(READ_ONCE(sqe->addr2));
|
||||
req->statx.flags = READ_ONCE(sqe->statx_flags);
|
||||
|
||||
if (vfs_stat_set_lookup_flags(&lookup_flags, req->open.how.flags))
|
||||
if (vfs_stat_set_lookup_flags(&lookup_flags, req->statx.flags))
|
||||
return -EINVAL;
|
||||
|
||||
req->open.filename = getname_flags(fname, lookup_flags, NULL);
|
||||
if (IS_ERR(req->open.filename)) {
|
||||
ret = PTR_ERR(req->open.filename);
|
||||
req->open.filename = NULL;
|
||||
req->statx.filename = getname_flags(fname, lookup_flags, NULL);
|
||||
if (IS_ERR(req->statx.filename)) {
|
||||
ret = PTR_ERR(req->statx.filename);
|
||||
req->statx.filename = NULL;
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
@ -3403,7 +3409,7 @@ static int io_statx_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
|
|||
|
||||
static int io_statx(struct io_kiocb *req, bool force_nonblock)
|
||||
{
|
||||
struct io_open *ctx = &req->open;
|
||||
struct io_statx *ctx = &req->statx;
|
||||
unsigned lookup_flags;
|
||||
struct path path;
|
||||
struct kstat stat;
|
||||
|
@ -3416,7 +3422,7 @@ static int io_statx(struct io_kiocb *req, bool force_nonblock)
|
|||
return -EAGAIN;
|
||||
}
|
||||
|
||||
if (vfs_stat_set_lookup_flags(&lookup_flags, ctx->how.flags))
|
||||
if (vfs_stat_set_lookup_flags(&lookup_flags, ctx->flags))
|
||||
return -EINVAL;
|
||||
|
||||
retry:
|
||||
|
@ -3428,7 +3434,7 @@ retry:
|
|||
if (ret)
|
||||
goto err;
|
||||
|
||||
ret = vfs_getattr(&path, &stat, ctx->mask, ctx->how.flags);
|
||||
ret = vfs_getattr(&path, &stat, ctx->mask, ctx->flags);
|
||||
path_put(&path);
|
||||
if (retry_estale(ret, lookup_flags)) {
|
||||
lookup_flags |= LOOKUP_REVAL;
|
||||
|
|
Загрузка…
Ссылка в новой задаче