diff options
Diffstat (limited to 'fs/fuse')
| -rw-r--r-- | fs/fuse/cuse.c | 7 | ||||
| -rw-r--r-- | fs/fuse/file.c | 23 | ||||
| -rw-r--r-- | fs/fuse/fuse_i.h | 5 |
3 files changed, 16 insertions, 19 deletions
diff --git a/fs/fuse/cuse.c b/fs/fuse/cuse.c index fb9dcfd..6f96a8d 100644 --- a/fs/fuse/cuse.c +++ b/fs/fuse/cuse.c @@ -91,19 +91,22 @@ static ssize_t cuse_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { loff_t pos = 0; + struct iovec iov = { .iov_base = buf, .iov_len = count }; - return fuse_direct_io(file, buf, count, &pos, 0); + return fuse_direct_io(file, &iov, 1, count, &pos, 0); } static ssize_t cuse_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { loff_t pos = 0; + struct iovec iov = { .iov_base = (void __user *)buf, .iov_len = count }; + /* * No locking or generic_write_checks(), the server is * responsible for locking and sanity checks. */ - return fuse_direct_io(file, buf, count, &pos, 1); + return fuse_direct_io(file, &iov, 1, count, &pos, 1); } static int cuse_open(struct inode *inode, struct file *file) diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 68e10d4..28bc9c6 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -1148,9 +1148,9 @@ static inline int fuse_iter_npages(const struct iov_iter *ii_p) return min(npages, FUSE_MAX_PAGES_PER_REQ); } -static ssize_t __fuse_direct_io(struct file *file, const struct iovec *iov, - unsigned long nr_segs, size_t count, - loff_t *ppos, int write) +ssize_t fuse_direct_io(struct file *file, const struct iovec *iov, + unsigned long nr_segs, size_t count, loff_t *ppos, + int write) { struct fuse_file *ff = file->private_data; struct fuse_conn *fc = ff->fc; @@ -1209,13 +1209,6 @@ static ssize_t __fuse_direct_io(struct file *file, const struct iovec *iov, return res; } - -ssize_t fuse_direct_io(struct file *file, const char __user *buf, - size_t count, loff_t *ppos, int write) -{ - struct iovec iov = { .iov_base = (void *)buf, .iov_len = count }; - return __fuse_direct_io(file, &iov, 1, count, ppos, write); -} EXPORT_SYMBOL_GPL(fuse_direct_io); static ssize_t __fuse_direct_read(struct file *file, const struct iovec *iov, @@ -1227,8 +1220,8 @@ static ssize_t __fuse_direct_read(struct file *file, const struct iovec *iov, if (is_bad_inode(inode)) return -EIO; - res = __fuse_direct_io(file, iov, nr_segs, iov_length(iov, nr_segs), - ppos, 0); + res = fuse_direct_io(file, iov, nr_segs, iov_length(iov, nr_segs), + ppos, 0); fuse_invalidate_attr(inode); @@ -1238,7 +1231,7 @@ static ssize_t __fuse_direct_read(struct file *file, const struct iovec *iov, static ssize_t fuse_direct_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { - struct iovec iov = { .iov_base = (void *)buf, .iov_len = count }; + struct iovec iov = { .iov_base = buf, .iov_len = count }; return __fuse_direct_read(file, &iov, 1, ppos); } @@ -1251,7 +1244,7 @@ static ssize_t __fuse_direct_write(struct file *file, const struct iovec *iov, res = generic_write_checks(file, ppos, &count, 0); if (!res) { - res = __fuse_direct_io(file, iov, nr_segs, count, ppos, 1); + res = fuse_direct_io(file, iov, nr_segs, count, ppos, 1); if (res > 0) fuse_write_update_size(inode, *ppos); } @@ -1264,7 +1257,7 @@ static ssize_t __fuse_direct_write(struct file *file, const struct iovec *iov, static ssize_t fuse_direct_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { - struct iovec iov = { .iov_base = (void *)buf, .iov_len = count }; + struct iovec iov = { .iov_base = (void __user *)buf, .iov_len = count }; struct inode *inode = file->f_path.dentry->d_inode; ssize_t res; diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index 70cef60..13befcd 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h @@ -811,8 +811,9 @@ int fuse_reverse_inval_entry(struct super_block *sb, u64 parent_nodeid, int fuse_do_open(struct fuse_conn *fc, u64 nodeid, struct file *file, bool isdir); -ssize_t fuse_direct_io(struct file *file, const char __user *buf, - size_t count, loff_t *ppos, int write); +ssize_t fuse_direct_io(struct file *file, const struct iovec *iov, + unsigned long nr_segs, size_t count, loff_t *ppos, + int write); long fuse_do_ioctl(struct file *file, unsigned int cmd, unsigned long arg, unsigned int flags); long fuse_ioctl_common(struct file *file, unsigned int cmd, |
