bsd/vfs/vfs_syscalls.c

32  * All or some portions of this file are derived from material licensed
50  *    may be used to endorse or promote products derived from this software
338 	 * Get the fs type name from user space
368 	 * Get the label string (if any) from user space
474  *  kernelmount	TRUE for mounts initiated from inside the kernel
763 			* Flush out any old buffers remaining from a previous use.
947 			/* Check if this file system supports path from id lookups. */
952 				/* Legacy MNT_DOVOLFS flag also implies path from id lookups. */
1487 	/* Check the device vnode and update mount-from name, for local filesystems */
2304 		/* uap->arg specifies a file from which to take the quotas */
2866  * Wrapper function around namei to start lookup from a directory
2933 		 * Switching back from per-thread to per process CWD; verify we
3325 		if ((error == ENODEV || error == ENXIO) && (uu->uu_dupfd >= 0)){	/* XXX from fdopen */
3396 	 * level code from assigning one.
3530  *					return calue from the system call
3696  *					return calue from the system call
3734 	/*resolve path from fsis, objid*/
4441  * Delete a whiteout from the filesystem.
4451  * Delete a name from the filesystem.
4653  * Delete a name from the filesystem using POSIX semantics.
4688  * Delete a name from the filesystem using Carbon semantics.
5373  * Indirect:      uap->path               Path of file to get status from
5416  * Indirect:      uap->path               Path of file to get status from
5440  * Indirect:      uap->path               Path of file to get status from
5482  * Indirect:      uap->path               Path of file to get status from
6037 	 * EACCES is only allowed from namei(); permissions failure should
6509 		UIO_USERSPACE, uap->from, ctx);
6579 renameat_internal(vfs_context_t ctx, int fromfd, user_addr_t from,
6620 	    segflg, from, ctx);
6676 				 * being valid. If so, simply re-drive the rename call from the
6940 		 * call from the top again.  Currently, only HFS bubbles out ERECYCLE,
7088 	 * this rename call from the top.
7102 	return (renameat_internal(vfs_context_current(), AT_FDCWD, uap->from,
7111 		AT_FDCWD, uap->from,
7120 	return (renameat_internal(vfs_context_current(), uap->fromfd, uap->from,
7543 		 * will prevent us from reading more than we can pack.
7548 		 * prevent uio_resid() * 3 / 8 from overflowing.
7589 		/* Update the real offset using the offset we got from VNOP_READDIR. */
7810  * away from vnode.
8222 		 * from a 32 bit long, and tv_usec is already a signed 32 bit int.
8397 	 * We keep special track of the return value from the file system:
8399 	 * from copying out any results...
8943 	 * As such, they should be prevented from acquiring DMG vnodes during vnode reclamation
8945 	 * VNOP_INACTIVE from proceeding.  Mark the current task as a P_DEPENDENCY_CAPABLE
9817 		/* Otherwise return the default error from copyinstr to detect ERANGE, etc */