jlaitine commented on code in PR #8000:
URL: https://github.com/apache/nuttx/pull/8000#discussion_r1060055210
##########
fs/mmap/fs_mmap.c:
##########
@@ -135,14 +135,33 @@ static int file_mmap_(FAR struct file *filep, FAR void
*start,
#endif
}
- /* Perform the ioctl to get the base address of the file in 'mapped'
- * in memory. (casting to uintptr_t first eliminates complaints on some
- * architectures where the sizeof long is different from the size of
- * a pointer).
+ /* Call driver's mmap to get the base address of the file in 'mapped'
+ * in memory.
*/
- ret = file_ioctl(filep, FIOC_MMAP, (unsigned long)((uintptr_t)&addr));
- if (ret < 0)
+ if (filep->f_inode && filep->f_inode->u.i_ops->mmap != NULL)
+ {
+ /* Pass the information about the mapping in mm_map_entry_s structure.
+ * The driver may alter the structure, and if it supports unmap, it
+ * will also add it to the kernel maintained list of mappings.
+ */
+
+ struct mm_map_entry_s map =
Review Comment:
yes, I will. let's not put everything in this same PR, if that's ok with you
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