From: Christoph Hellwig Date: Fri, 1 Sep 2017 15:39:11 +0000 (+0200) Subject: fs: move kernel_write to fs/read_write.c X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=ac452acae1caa1a451142a30b4e1ea09cfac4410;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git fs: move kernel_write to fs/read_write.c Signed-off-by: Christoph Hellwig Signed-off-by: Al Viro --- diff --git a/fs/read_write.c b/fs/read_write.c index 0cc7033aa413..417dbe199505 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -496,9 +496,24 @@ ssize_t __kernel_write(struct file *file, const char *buf, size_t count, loff_t inc_syscw(current); return ret; } - EXPORT_SYMBOL(__kernel_write); +ssize_t kernel_write(struct file *file, const char *buf, size_t count, + loff_t pos) +{ + mm_segment_t old_fs; + ssize_t res; + + old_fs = get_fs(); + set_fs(get_ds()); + /* The cast to a user pointer is valid due to the set_fs() */ + res = vfs_write(file, (__force const char __user *)buf, count, &pos); + set_fs(old_fs); + + return res; +} +EXPORT_SYMBOL(kernel_write); + ssize_t vfs_write(struct file *file, const char __user *buf, size_t count, loff_t *pos) { ssize_t ret; diff --git a/fs/splice.c b/fs/splice.c index ae41201d0325..f3084cce0ea6 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -364,22 +364,6 @@ static ssize_t kernel_readv(struct file *file, const struct kvec *vec, return res; } -ssize_t kernel_write(struct file *file, const char *buf, size_t count, - loff_t pos) -{ - mm_segment_t old_fs; - ssize_t res; - - old_fs = get_fs(); - set_fs(get_ds()); - /* The cast to a user pointer is valid due to the set_fs() */ - res = vfs_write(file, (__force const char __user *)buf, count, &pos); - set_fs(old_fs); - - return res; -} -EXPORT_SYMBOL(kernel_write); - static ssize_t default_file_splice_read(struct file *in, loff_t *ppos, struct pipe_inode_info *pipe, size_t len, unsigned int flags)