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cifs: eliminate pfile pointer from cifsFileInfo 

All the remaining users of cifsFileInfo->pfile just use it to get
at the f_flags/f_mode. Now that we store that separately in the
cifsFileInfo, there's no need to consult the pfile at all from
a cifsFileInfo pointer.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Suresh Jayaraman <sjayaraman@suse.de>
Acked-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Jeff Layton 2010-10-15 15:34:01 -04:00 committed by Steve French
parent 7da4b49a0e
commit 2e396b83f6
3 changed files with 3 additions and 10 deletions
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1
fs/cifs/cifsglob.h
View File

@ -388,7 +388,6 @@ struct cifsFileInfo {
__u16 netfid; /* file id from remote */
/* BB add lock scope info here if needed */ ;
/* lock scope id (0 if none) */
struct file *pfile; /* needed for writepage */
struct dentry *dentry;
unsigned int f_flags;
struct tcon_link *tlink;

1
fs/cifs/dir.c
View File

@ -148,7 +148,6 @@ cifs_new_fileinfo(__u16 fileHandle, struct file *file,
pCifsFile->uid = current_fsuid();
pCifsFile->dentry = dget(dentry);
pCifsFile->f_flags = file->f_flags;
pCifsFile->pfile = file;
pCifsFile->invalidHandle = false;
pCifsFile->closePend = false;
pCifsFile->tlink = cifs_get_tlink(tlink);

11
fs/cifs/file.c
View File

@ -1144,8 +1144,7 @@ struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *cifs_inode,
continue;
if (fsuid_only && open_file->uid != current_fsuid())
continue;
if (open_file->pfile && ((open_file->pfile->f_flags & O_RDWR) ||
(open_file->pfile->f_flags & O_RDONLY))) {
if (OPEN_FMODE(open_file->f_flags) & FMODE_READ) {
if (!open_file->invalidHandle) {
/* found a good file */
/* lock it so it will not be closed on us */
@ -1194,9 +1193,7 @@ struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *cifs_inode,
continue;
if (fsuid_only && open_file->uid != current_fsuid())
continue;
if (open_file->pfile &&
((open_file->pfile->f_flags & O_RDWR) ||
(open_file->pfile->f_flags & O_WRONLY))) {
if (OPEN_FMODE(open_file->f_flags) & FMODE_WRITE) {
cifsFileInfo_get(open_file);
if (!open_file->invalidHandle) {
@ -2160,9 +2157,7 @@ static int is_inode_writable(struct cifsInodeInfo *cifs_inode)
list_for_each_entry(open_file, &cifs_inode->openFileList, flist) {
if (open_file->closePend)
continue;
if (open_file->pfile &&
((open_file->pfile->f_flags & O_RDWR) ||
(open_file->pfile->f_flags & O_WRONLY))) {
if (OPEN_FMODE(open_file->f_flags) & FMODE_WRITE) {
read_unlock(&GlobalSMBSeslock);
return 1;
}