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| author | Christoph Hellwig <hch@lst.de> | 2020-05-08 08:54:16 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2020-07-08 08:27:56 +0200 |
| commit | 61a707c543e2afe3aa7e88f87267c5dafa4b5afa (patch) | |
| tree | 0890bd5d37503f57d3dca76d90a320eda56a802a /include/linux/fs.h | |
| parent | 53ad86266bda973b526078227997ca3fcb92c9be (diff) | |
| download | lwn-61a707c543e2afe3aa7e88f87267c5dafa4b5afa.tar.gz lwn-61a707c543e2afe3aa7e88f87267c5dafa4b5afa.zip | |
fs: add a __kernel_read helper
This is the counterpart to __kernel_write, and skip the rw_verify_area
call compared to kernel_read.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'include/linux/fs.h')
| -rw-r--r-- | include/linux/fs.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index 3f881a892ea7..22cbe7b2e919 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -3033,6 +3033,7 @@ extern int kernel_read_file_from_path_initns(const char *, void **, loff_t *, lo extern int kernel_read_file_from_fd(int, void **, loff_t *, loff_t, enum kernel_read_file_id); extern ssize_t kernel_read(struct file *, void *, size_t, loff_t *); +ssize_t __kernel_read(struct file *file, void *buf, size_t count, loff_t *pos); extern ssize_t kernel_write(struct file *, const void *, size_t, loff_t *); extern ssize_t __kernel_write(struct file *, const void *, size_t, loff_t *); extern struct file * open_exec(const char *); |