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btrfs: add stub write function

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Only does the parameter error checking.

Change-Id: Idee4a8e8e183d45c4a14236c32ff40e52ccb2555
Reviewed-on: https://review.haiku-os.org/c/haiku/+/1534
Reviewed-by: Adrien Destugues <pulkomandy@gmail.com>
This commit is contained in:
brjhaiku 2019-06-26 12:28:30 +00:00 committed by Adrien Destugues
parent 5986ba8cb1
commit ba6665a3dd
1 changed files with 22 additions and 1 deletions
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23
src/add-ons/kernel/file_systems/btrfs/kernel_interface.cpp
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@ -1,4 +1,5 @@
/* /*
* Copyright 2019, Bharathi Ramana Joshi, joshibharathiramana@gmail.com
* Copyright 2019, Les De Ridder, les@lesderid.net * Copyright 2019, Les De Ridder, les@lesderid.net
* Copyright 2017, Chế Vũ Gia Hy, cvghy116@gmail.com. * Copyright 2017, Chế Vũ Gia Hy, cvghy116@gmail.com.
* Copyright 2011, Jérôme Duval, korli@users.berlios.de. * Copyright 2011, Jérôme Duval, korli@users.berlios.de.
@ -532,6 +533,26 @@ btrfs_open(fs_volume* /*_volume*/, fs_vnode* _node, int openMode,
} }
status_t
btrfs_write(fs_volume* _volume, fs_vnode* _node, void* _cookie, off_t pos,
const void* buffer, size_t* _length)
{
Volume* volume = (Volume*)_volume->private_volume;
Inode* inode = (Inode*)_node->private_node;
if (volume->IsReadOnly())
return B_READ_ONLY_DEVICE;
if (pos < 0)
return B_BAD_VALUE;
if (!inode->IsFile())
return B_BAD_VALUE;
return B_NOT_SUPPORTED;
}
static status_t static status_t
btrfs_read(fs_volume* _volume, fs_vnode* _node, void* _cookie, off_t pos, btrfs_read(fs_volume* _volume, fs_vnode* _node, void* _cookie, off_t pos,
void* buffer, size_t* _length) void* buffer, size_t* _length)
@ -1146,7 +1167,7 @@ fs_vnode_ops gBtrfsVnodeOps = {
&btrfs_close, &btrfs_close,
&btrfs_free_cookie, &btrfs_free_cookie,
&btrfs_read, &btrfs_read,
NULL, // fs_write, &btrfs_write,
/* directory operations */ /* directory operations */
&btrfs_create_dir, &btrfs_create_dir,