diff options
| -rw-r--r-- | fs/cifs/cifsfs.c | 16 | ||||
| -rw-r--r-- | fs/cifs/cifsfs.h | 6 | ||||
| -rw-r--r-- | fs/cifs/file.c | 32 |
3 files changed, 22 insertions, 32 deletions
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index c57a9b16edd4..f0a567a344cf 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -907,9 +907,9 @@ const struct file_operations cifs_file_ops = { }; const struct file_operations cifs_file_strict_ops = { - .read = do_sync_read, + .read = new_sync_read, .write = do_sync_write, - .aio_read = cifs_strict_readv, + .read_iter = cifs_strict_readv, .aio_write = cifs_strict_writev, .open = cifs_open, .release = cifs_close, @@ -927,9 +927,9 @@ const struct file_operations cifs_file_strict_ops = { const struct file_operations cifs_file_direct_ops = { /* BB reevaluate whether they can be done with directio, no cache */ - .read = do_sync_read, + .read = new_sync_read, .write = do_sync_write, - .aio_read = cifs_user_readv, + .read_iter = cifs_user_readv, .aio_write = cifs_user_writev, .open = cifs_open, .release = cifs_close, @@ -964,9 +964,9 @@ const struct file_operations cifs_file_nobrl_ops = { }; const struct file_operations cifs_file_strict_nobrl_ops = { - .read = do_sync_read, + .read = new_sync_read, .write = do_sync_write, - .aio_read = cifs_strict_readv, + .read_iter = cifs_strict_readv, .aio_write = cifs_strict_writev, .open = cifs_open, .release = cifs_close, @@ -983,9 +983,9 @@ const struct file_operations cifs_file_strict_nobrl_ops = { const struct file_operations cifs_file_direct_nobrl_ops = { /* BB reevaluate whether they can be done with directio, no cache */ - .read = do_sync_read, + .read = new_sync_read, .write = do_sync_write, - .aio_read = cifs_user_readv, + .read_iter = cifs_user_readv, .aio_write = cifs_user_writev, .open = cifs_open, .release = cifs_close, diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h index 26a754f49ba1..d1ef0415c645 100644 --- a/fs/cifs/cifsfs.h +++ b/fs/cifs/cifsfs.h @@ -85,10 +85,8 @@ extern const struct file_operations cifs_file_strict_nobrl_ops; extern int cifs_open(struct inode *inode, struct file *file); extern int cifs_close(struct inode *inode, struct file *file); extern int cifs_closedir(struct inode *inode, struct file *file); -extern ssize_t cifs_user_readv(struct kiocb *iocb, const struct iovec *iov, - unsigned long nr_segs, loff_t pos); -extern ssize_t cifs_strict_readv(struct kiocb *iocb, const struct iovec *iov, - unsigned long nr_segs, loff_t pos); +extern ssize_t cifs_user_readv(struct kiocb *iocb, struct iov_iter *to); +extern ssize_t cifs_strict_readv(struct kiocb *iocb, struct iov_iter *to); extern ssize_t cifs_user_writev(struct kiocb *iocb, const struct iovec *iov, unsigned long nr_segs, loff_t pos); extern ssize_t cifs_strict_writev(struct kiocb *iocb, const struct iovec *iov, diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 15201c21ac88..2ec7fce6d350 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -2830,32 +2830,25 @@ cifs_uncached_read_into_pages(struct TCP_Server_Info *server, return total_read > 0 ? total_read : result; } -ssize_t cifs_user_readv(struct kiocb *iocb, const struct iovec *iov, - unsigned long nr_segs, loff_t pos) +ssize_t cifs_user_readv(struct kiocb *iocb, struct iov_iter *to) { struct file *file = iocb->ki_filp; ssize_t rc; size_t len, cur_len; ssize_t total_read = 0; - loff_t offset = pos; + loff_t offset = iocb->ki_pos; unsigned int npages; struct cifs_sb_info *cifs_sb; struct cifs_tcon *tcon; struct cifsFileInfo *open_file; struct cifs_readdata *rdata, *tmp; struct list_head rdata_list; - struct iov_iter to; pid_t pid; - if (!nr_segs) - return 0; - - len = iov_length(iov, nr_segs); + len = iov_iter_count(to); if (!len) return 0; - iov_iter_init(&to, READ, iov, nr_segs, len); - INIT_LIST_HEAD(&rdata_list); cifs_sb = CIFS_SB(file->f_path.dentry->d_sb); open_file = file->private_data; @@ -2913,7 +2906,7 @@ error: if (!list_empty(&rdata_list)) rc = 0; - len = iov_iter_count(&to); + len = iov_iter_count(to); /* the loop below should proceed in the order of increasing offsets */ list_for_each_entry_safe(rdata, tmp, &rdata_list, list) { again: @@ -2930,7 +2923,7 @@ error: goto again; } } else { - rc = cifs_readdata_to_iov(rdata, &to); + rc = cifs_readdata_to_iov(rdata, to); } } @@ -2938,7 +2931,7 @@ error: kref_put(&rdata->refcount, cifs_uncached_readdata_release); } - total_read = len - iov_iter_count(&to); + total_read = len - iov_iter_count(to); cifs_stats_bytes_read(tcon, total_read); @@ -2947,15 +2940,14 @@ error: rc = 0; if (total_read) { - iocb->ki_pos = pos + total_read; + iocb->ki_pos += total_read; return total_read; } return rc; } ssize_t -cifs_strict_readv(struct kiocb *iocb, const struct iovec *iov, - unsigned long nr_segs, loff_t pos) +cifs_strict_readv(struct kiocb *iocb, struct iov_iter *to) { struct inode *inode = file_inode(iocb->ki_filp); struct cifsInodeInfo *cinode = CIFS_I(inode); @@ -2974,22 +2966,22 @@ cifs_strict_readv(struct kiocb *iocb, const struct iovec *iov, * pos+len-1. */ if (!CIFS_CACHE_READ(cinode)) - return cifs_user_readv(iocb, iov, nr_segs, pos); + return cifs_user_readv(iocb, to); if (cap_unix(tcon->ses) && (CIFS_UNIX_FCNTL_CAP & le64_to_cpu(tcon->fsUnixInfo.Capability)) && ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NOPOSIXBRL) == 0)) - return generic_file_aio_read(iocb, iov, nr_segs, pos); + return generic_file_read_iter(iocb, to); /* * We need to hold the sem to be sure nobody modifies lock list * with a brlock that prevents reading. */ down_read(&cinode->lock_sem); - if (!cifs_find_lock_conflict(cfile, pos, iov_length(iov, nr_segs), + if (!cifs_find_lock_conflict(cfile, iocb->ki_pos, iov_iter_count(to), tcon->ses->server->vals->shared_lock_type, NULL, CIFS_READ_OP)) - rc = generic_file_aio_read(iocb, iov, nr_segs, pos); + rc = generic_file_read_iter(iocb, to); up_read(&cinode->lock_sem); return rc; } |