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CIFS: Move set_file_info to ops struct

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Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>
This commit is contained in:
Pavel Shilovsky
2012-09-18 16:20:32 -07:00
committed by Steve French
parent c839ff244b
commit 6bdf6dbd66
3 changed files with 88 additions and 73 deletions
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79
fs/cifs/inode.c
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@@ -886,21 +886,18 @@ int
cifs_set_file_info(struct inode *inode, struct iattr *attrs, unsigned int xid,
char *full_path, __u32 dosattr)
{
int rc;
int oplock = 0;
__u16 netfid;
__u32 netpid;
bool set_time = false;
struct cifsFileInfo *open_file;
struct cifsInodeInfo *cifsInode = CIFS_I(inode);
struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
struct tcon_link *tlink = NULL;
struct cifs_tcon *pTcon;
struct TCP_Server_Info *server;
FILE_BASIC_INFO info_buf;
if (attrs == NULL)
return -EINVAL;
server = cifs_sb_master_tcon(cifs_sb)->ses->server;
if (!server->ops->set_file_info)
return -ENOSYS;
if (attrs->ia_valid & ATTR_ATIME) {
set_time = true;
info_buf.LastAccessTime =
@@ -931,71 +928,7 @@ cifs_set_file_info(struct inode *inode, struct iattr *attrs, unsigned int xid,
info_buf.CreationTime = 0; /* don't change */
info_buf.Attributes = cpu_to_le32(dosattr);
/*
* If the file is already open for write, just use that fileid
*/
open_file = find_writable_file(cifsInode, true);
if (open_file) {
netfid = open_file->fid.netfid;
netpid = open_file->pid;
pTcon = tlink_tcon(open_file->tlink);
goto set_via_filehandle;
}
tlink = cifs_sb_tlink(cifs_sb);
if (IS_ERR(tlink)) {
rc = PTR_ERR(tlink);
tlink = NULL;
goto out;
}
pTcon = tlink_tcon(tlink);
/*
* NT4 apparently returns success on this call, but it doesn't
* really work.
*/
if (!(pTcon->ses->flags & CIFS_SES_NT4)) {
rc = CIFSSMBSetPathInfo(xid, pTcon, full_path,
&info_buf, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc == 0) {
cifsInode->cifsAttrs = dosattr;
goto out;
} else if (rc != -EOPNOTSUPP && rc != -EINVAL)
goto out;
}
cFYI(1, "calling SetFileInfo since SetPathInfo for "
"times not supported by this server");
rc = CIFSSMBOpen(xid, pTcon, full_path, FILE_OPEN,
SYNCHRONIZE | FILE_WRITE_ATTRIBUTES,
CREATE_NOT_DIR, &netfid, &oplock,
NULL, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc != 0) {
if (rc == -EIO)
rc = -EINVAL;
goto out;
}
netpid = current->tgid;
set_via_filehandle:
rc = CIFSSMBSetFileInfo(xid, pTcon, &info_buf, netfid, netpid);
if (!rc)
cifsInode->cifsAttrs = dosattr;
if (open_file == NULL)
CIFSSMBClose(xid, pTcon, netfid);
else
cifsFileInfo_put(open_file);
out:
if (tlink != NULL)
cifs_put_tlink(tlink);
return rc;
return server->ops->set_file_info(inode, full_path, &info_buf, xid);
}
/*