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| author | Amir Goldstein | 2019-06-05 17:04:48 +0200 |
|---|---|---|
| committer | Darrick J. Wong | 2019-06-09 19:06:19 +0200 |
| commit | a31713517dac0862a3f0ec9006df9160ce022b0c (patch) | |
| tree | 020aa1dc2d4ad9c646a15c23f12f765271f459a7 /include/linux/fs.h | |
| parent | vfs: no fallback for ->copy_file_range (diff) | |
| download | kernel-qcow2-linux-a31713517dac0862a3f0ec9006df9160ce022b0c.tar.gz kernel-qcow2-linux-a31713517dac0862a3f0ec9006df9160ce022b0c.tar.xz kernel-qcow2-linux-a31713517dac0862a3f0ec9006df9160ce022b0c.zip | |
vfs: introduce generic_file_rw_checks()
Factor out helper with some checks on in/out file that are
common to clone_file_range and copy_file_range.
Suggested-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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 ea17858310ff..89b9b73eb581 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -3049,6 +3049,7 @@ extern ssize_t generic_write_checks(struct kiocb *, struct iov_iter *); extern int generic_remap_checks(struct file *file_in, loff_t pos_in, struct file *file_out, loff_t pos_out, loff_t *count, unsigned int remap_flags); +extern int generic_file_rw_checks(struct file *file_in, struct file *file_out); extern ssize_t generic_file_read_iter(struct kiocb *, struct iov_iter *); extern ssize_t __generic_file_write_iter(struct kiocb *, struct iov_iter *); extern ssize_t generic_file_write_iter(struct kiocb *, struct iov_iter *); |