diff options
author | Al Viro <viro@zeniv.linux.org.uk> | 2015-04-04 01:14:53 -0400 |
---|---|---|
committer | Al Viro <viro@zeniv.linux.org.uk> | 2015-04-11 22:29:43 -0400 |
commit | 8436318205b9f29e45db88850ec60e326327e241 (patch) | |
tree | 4339c116819e9e6d8e61a1876d9d0d08d0ee089c /fs | |
parent | 1c65d98672e09a0cb28e1e9ae49e9d96355f522f (diff) |
->aio_read and ->aio_write removed
no remaining users
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs')
-rw-r--r-- | fs/aio.c | 13 | ||||
-rw-r--r-- | fs/file_table.c | 4 | ||||
-rw-r--r-- | fs/open.c | 4 | ||||
-rw-r--r-- | fs/read_write.c | 29 |
4 files changed, 6 insertions, 44 deletions
@@ -1347,8 +1347,6 @@ SYSCALL_DEFINE1(io_destroy, aio_context_t, ctx) return -EINVAL; } -typedef ssize_t (aio_rw_op)(struct kiocb *, const struct iovec *, - unsigned long, loff_t); typedef ssize_t (rw_iter_op)(struct kiocb *, struct iov_iter *); static int aio_setup_vectored_rw(int rw, char __user *buf, size_t len, @@ -1377,7 +1375,6 @@ static ssize_t aio_run_iocb(struct kiocb *req, unsigned opcode, ssize_t ret; int rw; fmode_t mode; - aio_rw_op *rw_op; rw_iter_op *iter_op; struct iovec inline_vecs[UIO_FASTIOV], *iovec = inline_vecs; struct iov_iter iter; @@ -1387,7 +1384,6 @@ static ssize_t aio_run_iocb(struct kiocb *req, unsigned opcode, case IOCB_CMD_PREADV: mode = FMODE_READ; rw = READ; - rw_op = file->f_op->aio_read; iter_op = file->f_op->read_iter; goto rw_common; @@ -1395,14 +1391,13 @@ static ssize_t aio_run_iocb(struct kiocb *req, unsigned opcode, case IOCB_CMD_PWRITEV: mode = FMODE_WRITE; rw = WRITE; - rw_op = file->f_op->aio_write; iter_op = file->f_op->write_iter; goto rw_common; rw_common: if (unlikely(!(file->f_mode & mode))) return -EBADF; - if (!rw_op && !iter_op) + if (!iter_op) return -EINVAL; if (opcode == IOCB_CMD_PREADV || opcode == IOCB_CMD_PWRITEV) @@ -1425,11 +1420,7 @@ rw_common: if (rw == WRITE) file_start_write(file); - if (iter_op) { - ret = iter_op(req, &iter); - } else { - ret = rw_op(req, iter.iov, iter.nr_segs, req->ki_pos); - } + ret = iter_op(req, &iter); if (rw == WRITE) file_end_write(file); diff --git a/fs/file_table.c b/fs/file_table.c index 3f85411b03ce..294174dcc226 100644 --- a/fs/file_table.c +++ b/fs/file_table.c @@ -168,10 +168,10 @@ struct file *alloc_file(struct path *path, fmode_t mode, file->f_inode = path->dentry->d_inode; file->f_mapping = path->dentry->d_inode->i_mapping; if ((mode & FMODE_READ) && - likely(fop->read || fop->aio_read || fop->read_iter)) + likely(fop->read || fop->read_iter)) mode |= FMODE_CAN_READ; if ((mode & FMODE_WRITE) && - likely(fop->write || fop->aio_write || fop->write_iter)) + likely(fop->write || fop->write_iter)) mode |= FMODE_CAN_WRITE; file->f_mode = mode; file->f_op = fop; diff --git a/fs/open.c b/fs/open.c index 6a83c47d5904..6796f04d6032 100644 --- a/fs/open.c +++ b/fs/open.c @@ -734,10 +734,10 @@ static int do_dentry_open(struct file *f, if ((f->f_mode & (FMODE_READ | FMODE_WRITE)) == FMODE_READ) i_readcount_inc(inode); if ((f->f_mode & FMODE_READ) && - likely(f->f_op->read || f->f_op->aio_read || f->f_op->read_iter)) + likely(f->f_op->read || f->f_op->read_iter)) f->f_mode |= FMODE_CAN_READ; if ((f->f_mode & FMODE_WRITE) && - likely(f->f_op->write || f->f_op->aio_write || f->f_op->write_iter)) + likely(f->f_op->write || f->f_op->write_iter)) f->f_mode |= FMODE_CAN_WRITE; f->f_flags &= ~(O_CREAT | O_EXCL | O_NOCTTY | O_TRUNC); diff --git a/fs/read_write.c b/fs/read_write.c index 3d42d8ee5940..45d583c33879 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -22,8 +22,6 @@ #include <asm/unistd.h> typedef ssize_t (*io_fn_t)(struct file *, char __user *, size_t, loff_t *); -typedef ssize_t (*iov_fn_t)(struct kiocb *, const struct iovec *, - unsigned long, loff_t); typedef ssize_t (*iter_fn_t)(struct kiocb *, struct iov_iter *); const struct file_operations generic_ro_fops = { @@ -668,21 +666,6 @@ static ssize_t do_iter_readv_writev(struct file *filp, struct iov_iter *iter, return ret; } -static ssize_t do_sync_readv_writev(struct file *filp, struct iov_iter *iter, - loff_t *ppos, iov_fn_t fn) -{ - struct kiocb kiocb; - ssize_t ret; - - init_sync_kiocb(&kiocb, filp); - kiocb.ki_pos = *ppos; - - ret = fn(&kiocb, iter->iov, iter->nr_segs, kiocb.ki_pos); - BUG_ON(ret == -EIOCBQUEUED); - *ppos = kiocb.ki_pos; - return ret; -} - /* Do it by hand, with file-ops */ static ssize_t do_loop_readv_writev(struct file *filp, struct iov_iter *iter, loff_t *ppos, io_fn_t fn) @@ -797,7 +780,6 @@ static ssize_t do_readv_writev(int type, struct file *file, struct iov_iter iter; ssize_t ret; io_fn_t fn; - iov_fn_t fnv; iter_fn_t iter_fn; ret = import_iovec(type, uvector, nr_segs, @@ -812,22 +794,17 @@ static ssize_t do_readv_writev(int type, struct file *file, if (ret < 0) goto out; - fnv = NULL; if (type == READ) { fn = file->f_op->read; - fnv = file->f_op->aio_read; iter_fn = file->f_op->read_iter; } else { fn = (io_fn_t)file->f_op->write; - fnv = file->f_op->aio_write; iter_fn = file->f_op->write_iter; file_start_write(file); } if (iter_fn) ret = do_iter_readv_writev(file, &iter, pos, iter_fn); - else if (fnv) - ret = do_sync_readv_writev(file, &iter, pos, fnv); else ret = do_loop_readv_writev(file, &iter, pos, fn); @@ -977,7 +954,6 @@ static ssize_t compat_do_readv_writev(int type, struct file *file, struct iov_iter iter; ssize_t ret; io_fn_t fn; - iov_fn_t fnv; iter_fn_t iter_fn; ret = compat_import_iovec(type, uvector, nr_segs, @@ -992,22 +968,17 @@ static ssize_t compat_do_readv_writev(int type, struct file *file, if (ret < 0) goto out; - fnv = NULL; if (type == READ) { fn = file->f_op->read; - fnv = file->f_op->aio_read; iter_fn = file->f_op->read_iter; } else { fn = (io_fn_t)file->f_op->write; - fnv = file->f_op->aio_write; iter_fn = file->f_op->write_iter; file_start_write(file); } if (iter_fn) ret = do_iter_readv_writev(file, &iter, pos, iter_fn); - else if (fnv) - ret = do_sync_readv_writev(file, &iter, pos, fnv); else ret = do_loop_readv_writev(file, &iter, pos, fn); |