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cifs: clean up set_cifs_acl interfaces 

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Shirish Pargaonkar <shirishp@us.ibm.com>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Christoph Hellwig 2009-05-27 09:37:33 -04:00 committed by Steve French
parent 1bf4072da6
commit b96d31a62f
1 changed files with 43 additions and 39 deletions
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82
fs/cifs/cifsacl.c
View File

@ -612,57 +612,61 @@ static struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *cifs_sb,
return pntsd;
}
/* Set an ACL on the server */
static int set_cifs_acl(struct cifs_ntsd *pnntsd, __u32 acllen,
struct inode *inode, const char *path)
static int set_cifs_acl_by_fid(struct cifs_sb_info *cifs_sb, __u16 fid,
struct cifs_ntsd *pnntsd, u32 acllen)
{
struct cifsFileInfo *open_file;
bool unlock_file = false;
int xid;
int rc = -EIO;
int xid, rc;
xid = GetXid();
rc = CIFSSMBSetCIFSACL(xid, cifs_sb->tcon, fid, pnntsd, acllen);
FreeXid(xid);
cFYI(DBG2, ("SetCIFSACL rc = %d", rc));
return rc;
}
static int set_cifs_acl_by_path(struct cifs_sb_info *cifs_sb, const char *path,
struct cifs_ntsd *pnntsd, u32 acllen)
{
int oplock = 0;
int xid, rc;
__u16 fid;
struct super_block *sb;
struct cifs_sb_info *cifs_sb;
cFYI(DBG2, ("set ACL for %s from mode 0x%x", path, inode->i_mode));
if (!inode)
return rc;
sb = inode->i_sb;
if (sb == NULL)
return rc;
cifs_sb = CIFS_SB(sb);
xid = GetXid();
open_file = find_readable_file(CIFS_I(inode));
if (open_file) {
unlock_file = true;
fid = open_file->netfid;
} else {
int oplock = 0;
/* open file */
rc = CIFSSMBOpen(xid, cifs_sb->tcon, path, FILE_OPEN,
WRITE_DAC, 0, &fid, &oplock, NULL,
cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc != 0) {
cERROR(1, ("Unable to open file to set ACL"));
FreeXid(xid);
return rc;
}
rc = CIFSSMBOpen(xid, cifs_sb->tcon, path, FILE_OPEN, WRITE_DAC, 0,
&fid, &oplock, NULL, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc) {
cERROR(1, ("Unable to open file to set ACL"));
goto out;
}
rc = CIFSSMBSetCIFSACL(xid, cifs_sb->tcon, fid, pnntsd, acllen);
cFYI(DBG2, ("SetCIFSACL rc = %d", rc));
if (unlock_file)
atomic_dec(&open_file->wrtPending);
else
CIFSSMBClose(xid, cifs_sb->tcon, fid);
CIFSSMBClose(xid, cifs_sb->tcon, fid);
out:
FreeXid(xid);
return rc;
}
/* Set an ACL on the server */
static int set_cifs_acl(struct cifs_ntsd *pnntsd, __u32 acllen,
struct inode *inode, const char *path)
{
struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
struct cifsFileInfo *open_file;
int rc;
cFYI(DBG2, ("set ACL for %s from mode 0x%x", path, inode->i_mode));
open_file = find_readable_file(CIFS_I(inode));
if (!open_file)
return set_cifs_acl_by_path(cifs_sb, path, pnntsd, acllen);
rc = set_cifs_acl_by_fid(cifs_sb, open_file->netfid, pnntsd, acllen);
atomic_dec(&open_file->wrtPending);
return rc;
}