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[CIFS] Fix mknod of block and chardev over SFU mounts

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Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Steve French
2005-11-18 20:25:31 -08:00
parent c119b87d59
commit 86c96b4bb7
3 changed files with 62 additions and 13 deletions
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33
fs/cifs/inode.c
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@@ -210,7 +210,7 @@ static int decode_sfu_inode(struct inode * inode, __u64 size,
int oplock = FALSE;
__u16 netfid;
struct cifsTconInfo *pTcon = cifs_sb->tcon;
char buf[8];
char buf[24];
unsigned int bytes_read;
char * pbuf;
@@ -232,30 +232,43 @@ static int decode_sfu_inode(struct inode * inode, __u64 size,
/* Read header */
rc = CIFSSMBRead(xid, pTcon,
netfid,
8 /* length */, 0 /* offset */,
24 /* length */, 0 /* offset */,
&bytes_read, &pbuf);
if((rc == 0) && (bytes_read == 8)) {
if((rc == 0) && (bytes_read >= 8)) {
if(memcmp("IntxBLK", pbuf, 8) == 0) {
cFYI(1,("Block device"));
inode->i_mode |= S_IFBLK;
if(bytes_read == 24) {
/* we have enough to decode dev num */
__u64 mjr; /* major */
__u64 mnr; /* minor */
mjr = le64_to_cpu(*(__le64 *)(pbuf+8));
mnr = le64_to_cpu(*(__le64 *)(pbuf+16));
inode->i_rdev = MKDEV(mjr, mnr);
}
} else if(memcmp("IntxCHR", pbuf, 8) == 0) {
cFYI(1,("Char device"));
inode->i_mode |= S_IFCHR;
if(bytes_read == 24) {
/* we have enough to decode dev num */
__u64 mjr; /* major */
__u64 mnr; /* minor */
mjr = le64_to_cpu(*(__le64 *)(pbuf+8));
mnr = le64_to_cpu(*(__le64 *)(pbuf+16));
inode->i_rdev = MKDEV(mjr, mnr);
}
} else if(memcmp("IntxLNK", pbuf, 7) == 0) {
cFYI(1,("Symlink"));
inode->i_mode |= S_IFLNK;
}
} else {
inode->i_mode |= S_IFREG; /* file? */
rc = -EOPNOTSUPP;
}
} else {
inode->i_mode |= S_IFREG; /* then it is a file */
rc = -EOPNOTSUPP; /* or some unknown SFU type */
}
CIFSSMBClose(xid, pTcon, netfid);
/* inode->i_rdev = MKDEV(le64_to_cpu(DevMajor),
le64_to_cpu(DevMinor) & MINORMASK);*/
/* inode->i_mode |= S_IFBLK; */
}
return rc;