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authorSteve French <sfrench@us.ibm.com>2005-11-18 20:25:31 -0800
committerSteve French <sfrench@us.ibm.com>2005-11-18 20:25:31 -0800
commit86c96b4bb70dac67d6815e09a0949427d439b280 (patch)
treef36ac16583ea9f935fcbed006a8edd99cf83852f /fs/cifs/dir.c
parentc119b87d596cdd99ac20095ae2ae90b525418605 (diff)
downloadlwn-86c96b4bb70dac67d6815e09a0949427d439b280.tar.gz
lwn-86c96b4bb70dac67d6815e09a0949427d439b280.zip
[CIFS] Fix mknod of block and chardev over SFU mounts
Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs/dir.c')
-rw-r--r--fs/cifs/dir.c32
1 files changed, 30 insertions, 2 deletions
diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
index 8dfe717a332a..16b21522e8fe 100644
--- a/fs/cifs/dir.c
+++ b/fs/cifs/dir.c
@@ -292,7 +292,8 @@ cifs_create_out:
return rc;
}
-int cifs_mknod(struct inode *inode, struct dentry *direntry, int mode, dev_t device_number)
+int cifs_mknod(struct inode *inode, struct dentry *direntry, int mode,
+ dev_t device_number)
{
int rc = -EPERM;
int xid;
@@ -368,7 +369,34 @@ int cifs_mknod(struct inode *inode, struct dentry *direntry, int mode, dev_t dev
if(!rc) {
/* BB Do not bother to decode buf since no
- local inode yet to put timestamps in */
+ local inode yet to put timestamps in,
+ but we can reuse it safely */
+ int bytes_written;
+ struct win_dev *pdev;
+ pdev = (struct win_dev *)buf;
+ if(S_ISCHR(mode)) {
+ memcpy(pdev->type, "IntxCHR", 8);
+ pdev->major =
+ cpu_to_le64(MAJOR(device_number));
+ pdev->minor =
+ cpu_to_le64(MINOR(device_number));
+ rc = CIFSSMBWrite(xid, pTcon,
+ fileHandle,
+ sizeof(struct win_dev),
+ 0, &bytes_written, (char *)pdev,
+ NULL, 0);
+ } else if(S_ISBLK(mode)) {
+ memcpy(pdev->type, "IntxBLK", 8);
+ pdev->major =
+ cpu_to_le64(MAJOR(device_number));
+ pdev->minor =
+ cpu_to_le64(MINOR(device_number));
+ rc = CIFSSMBWrite(xid, pTcon,
+ fileHandle,
+ sizeof(struct win_dev),
+ 0, &bytes_written, (char *)pdev,
+ NULL, 0);
+ } /* else if(S_ISFIFO */
CIFSSMBClose(xid, pTcon, fileHandle);
d_drop(direntry);
}