static int
HgfsDirRelease(struct inode *inode, // IN: Inode that the file* points to
struct file *file) // IN: File for the dir getting released
{
HgfsHandle handle;
ASSERT(inode);
ASSERT(file);
ASSERT(file->f_dentry);
ASSERT(file->f_dentry->d_sb);
handle = FILE_GET_FI_P(file)->handle;
HgfsReleaseFileInfo(file);
return HgfsPrivateDirRelease(file, handle);
}
static int
HgfsRelease(struct inode *inode, // IN: Inode that this file points to
struct file *file) // IN: File that is getting released
{
HgfsReq *req;
HgfsHandle handle;
HgfsOp opUsed;
HgfsStatus replyStatus;
int result = 0;
ASSERT(inode);
ASSERT(file);
ASSERT(file->f_dentry);
ASSERT(file->f_dentry->d_sb);
handle = FILE_GET_FI_P(file)->handle;
LOG(6, (KERN_DEBUG "VMware hgfs: HgfsRelease: close fh %u\n", handle));
/*
* This may be our last open handle to an inode, so we should flush our
* dirty pages before closing it.
*/
compat_filemap_write_and_wait(inode->i_mapping);
HgfsReleaseFileInfo(file);
req = HgfsGetNewRequest();
if (!req) {
LOG(4, (KERN_DEBUG "VMware hgfs: HgfsRelease: out of memory while "
"getting new request\n"));
result = -ENOMEM;
goto out;
}
retry:
opUsed = hgfsVersionClose;
if (opUsed == HGFS_OP_CLOSE_V3) {
HgfsRequest *header;
HgfsRequestCloseV3 *request;
header = (HgfsRequest *)(HGFS_REQ_PAYLOAD(req));
header->id = req->id;
header->op = opUsed;
request = (HgfsRequestCloseV3 *)(HGFS_REQ_PAYLOAD_V3(req));
request->file = handle;
request->reserved = 0;
req->payloadSize = HGFS_REQ_PAYLOAD_SIZE_V3(request);
} else {
HgfsRequestClose *request;
request = (HgfsRequestClose *)(HGFS_REQ_PAYLOAD(req));
request->header.id = req->id;
request->header.op = opUsed;
request->file = handle;
req->payloadSize = sizeof *request;
}
/* Send the request and process the reply. */
result = HgfsSendRequest(req);
if (result == 0) {
/* Get the reply. */
replyStatus = HgfsReplyStatus(req);
result = HgfsStatusConvertToLinux(replyStatus);
switch (result) {
case 0:
LOG(4, (KERN_DEBUG "VMware hgfs: HgfsRelease: released handle %u\n",
handle));
break;
case -EPROTO:
/* Retry with older version(s). Set globally. */
if (opUsed == HGFS_OP_CLOSE_V3) {
LOG(4, (KERN_DEBUG "VMware hgfs: HgfsRelease: Version 3 not "
"supported. Falling back to version 1.\n"));
hgfsVersionClose = HGFS_OP_CLOSE;
goto retry;
}
break;
default:
LOG(4, (KERN_DEBUG "VMware hgfs: HgfsRelease: failed handle %u\n",
handle));
break;
}
} else if (result == -EIO) {
LOG(4, (KERN_DEBUG "VMware hgfs: HgfsRelease: timed out\n"));
} else if (result == -EPROTO) {
LOG(4, (KERN_DEBUG "VMware hgfs: HgfsRelease: server "
"returned error: %d\n", result));
} else {
LOG(4, (KERN_DEBUG "VMware hgfs: HgfsRelease: unknown error: "
"%d\n", result));
}
out:
HgfsFreeRequest(req);
return result;
}
