mirror of https://gitee.com/openkylin/linux.git
cifs: make various routines use the cifsFileInfo->tcon pointer
...where it's available and appropriate. Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Steve French <sfrench@us.ibm.com>
This commit is contained in:
Jeff Layton
Steve French
parent
d3bf5221d3
commit
ba00ba64cf
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@ -589,6 +589,7 @@ static int cifs_setlease(struct file *file, long arg, struct file_lock **lease)
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/* note that this is called by vfs setlease with the BKL held
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although I doubt that BKL is needed here in cifs */
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struct inode *inode = file->f_path.dentry->d_inode;
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struct cifsFileInfo *cfile = file->private_data;
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if (!(S_ISREG(inode->i_mode)))
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return -EINVAL;
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@ -599,8 +600,7 @@ static int cifs_setlease(struct file *file, long arg, struct file_lock **lease)
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((arg == F_WRLCK) &&
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(CIFS_I(inode)->clientCanCacheAll)))
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return generic_setlease(file, arg, lease);
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else if (CIFS_SB(inode->i_sb)->tcon->local_lease &&
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!CIFS_I(inode)->clientCanCacheRead)
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else if (cfile->tcon->local_lease && !CIFS_I(inode)->clientCanCacheRead)
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/* If the server claims to support oplock on this
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file, then we still need to check oplock even
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if the local_lease mount option is set, but there
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@ -461,7 +461,7 @@ static int cifs_reopen_file(struct file *file, bool can_flush)
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}
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cifs_sb = CIFS_SB(inode->i_sb);
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tcon = cifs_sb->tcon;
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tcon = pCifsFile->tcon;
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/* can not grab rename sem here because various ops, including
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those that already have the rename sem can end up causing writepage
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@ -575,7 +575,7 @@ int cifs_close(struct inode *inode, struct file *file)
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xid = GetXid();
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cifs_sb = CIFS_SB(inode->i_sb);
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pTcon = cifs_sb->tcon;
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pTcon = pSMBFile->tcon;
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if (pSMBFile) {
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struct cifsLockInfo *li, *tmp;
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write_lock(&GlobalSMBSeslock);
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@ -653,11 +653,7 @@ int cifs_closedir(struct inode *inode, struct file *file)
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xid = GetXid();
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if (pCFileStruct) {
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struct cifsTconInfo *pTcon;
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struct cifs_sb_info *cifs_sb =
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CIFS_SB(file->f_path.dentry->d_sb);
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pTcon = cifs_sb->tcon;
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struct cifsTconInfo *pTcon = pCFileStruct->tcon;
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cFYI(1, "Freeing private data in close dir");
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write_lock(&GlobalSMBSeslock);
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@ -767,7 +763,7 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *pfLock)
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cFYI(1, "Unknown type of lock");
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cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
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tcon = cifs_sb->tcon;
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tcon = ((struct cifsFileInfo *)file->private_data)->tcon;
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if (file->private_data == NULL) {
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rc = -EBADF;
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@ -960,14 +956,14 @@ ssize_t cifs_user_write(struct file *file, const char __user *write_data,
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cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
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pTcon = cifs_sb->tcon;
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/* cFYI(1, " write %d bytes to offset %lld of %s", write_size,
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*poffset, file->f_path.dentry->d_name.name); */
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if (file->private_data == NULL)
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return -EBADF;
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open_file = file->private_data;
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pTcon = open_file->tcon;
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rc = generic_write_checks(file, poffset, &write_size, 0);
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if (rc)
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@ -1062,14 +1058,13 @@ static ssize_t cifs_write(struct file *file, const char *write_data,
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cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
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pTcon = cifs_sb->tcon;
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cFYI(1, "write %zd bytes to offset %lld of %s", write_size,
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*poffset, file->f_path.dentry->d_name.name);
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if (file->private_data == NULL)
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return -EBADF;
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open_file = file->private_data;
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pTcon = open_file->tcon;
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xid = GetXid();
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@ -1284,7 +1279,6 @@ static int cifs_partialpagewrite(struct page *page, unsigned from, unsigned to)
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int rc = -EFAULT;
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int bytes_written = 0;
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struct cifs_sb_info *cifs_sb;
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struct cifsTconInfo *pTcon;
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struct inode *inode;
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struct cifsFileInfo *open_file;
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@ -1293,7 +1287,6 @@ static int cifs_partialpagewrite(struct page *page, unsigned from, unsigned to)
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inode = page->mapping->host;
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cifs_sb = CIFS_SB(inode->i_sb);
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pTcon = cifs_sb->tcon;
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offset += (loff_t)from;
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write_data = kmap(page);
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@ -1352,6 +1345,7 @@ static int cifs_writepages(struct address_space *mapping,
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int nr_pages;
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__u64 offset = 0;
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struct cifsFileInfo *open_file;
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struct cifsTconInfo *tcon;
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struct cifsInodeInfo *cifsi = CIFS_I(mapping->host);
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struct page *page;
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struct pagevec pvec;
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@ -1501,8 +1495,9 @@ static int cifs_writepages(struct address_space *mapping,
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cERROR(1, "No writable handles for inode");
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rc = -EBADF;
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} else {
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tcon = open_file->tcon;
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long_op = cifs_write_timeout(cifsi, offset);
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rc = CIFSSMBWrite2(xid, cifs_sb->tcon,
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rc = CIFSSMBWrite2(xid, tcon,
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open_file->netfid,
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bytes_to_write, offset,
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&bytes_written, iov, n_iov,
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@ -1520,8 +1515,7 @@ static int cifs_writepages(struct address_space *mapping,
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else
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set_bit(AS_EIO, &mapping->flags);
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} else {
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cifs_stats_bytes_written(cifs_sb->tcon,
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bytes_written);
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cifs_stats_bytes_written(tcon, bytes_written);
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}
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}
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for (i = 0; i < n_iov; i++) {
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@ -1665,7 +1659,7 @@ int cifs_fsync(struct file *file, int datasync)
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if (rc == 0) {
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rc = CIFS_I(inode)->write_behind_rc;
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CIFS_I(inode)->write_behind_rc = 0;
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tcon = CIFS_SB(inode->i_sb)->tcon;
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tcon = smbfile->tcon;
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if (!rc && tcon && smbfile &&
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!(CIFS_SB(inode->i_sb)->mnt_cifs_flags & CIFS_MOUNT_NOSSYNC))
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rc = CIFSSMBFlush(xid, tcon, smbfile->netfid);
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@ -1750,7 +1744,6 @@ ssize_t cifs_user_read(struct file *file, char __user *read_data,
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xid = GetXid();
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cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
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pTcon = cifs_sb->tcon;
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if (file->private_data == NULL) {
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rc = -EBADF;
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@ -1758,6 +1751,7 @@ ssize_t cifs_user_read(struct file *file, char __user *read_data,
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return rc;
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}
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open_file = file->private_data;
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pTcon = open_file->tcon;
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if ((file->f_flags & O_ACCMODE) == O_WRONLY)
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cFYI(1, "attempting read on write only file instance");
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@ -1831,7 +1825,6 @@ static ssize_t cifs_read(struct file *file, char *read_data, size_t read_size,
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xid = GetXid();
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cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
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pTcon = cifs_sb->tcon;
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if (file->private_data == NULL) {
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rc = -EBADF;
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@ -1839,6 +1832,7 @@ static ssize_t cifs_read(struct file *file, char *read_data, size_t read_size,
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return rc;
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}
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open_file = file->private_data;
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pTcon = open_file->tcon;
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if ((file->f_flags & O_ACCMODE) == O_WRONLY)
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cFYI(1, "attempting read on write only file instance");
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@ -1974,7 +1968,7 @@ static int cifs_readpages(struct file *file, struct address_space *mapping,
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}
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open_file = file->private_data;
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cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
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pTcon = cifs_sb->tcon;
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pTcon = open_file->tcon;
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/*
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* Reads as many pages as possible from fscache. Returns -ENOBUFS
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@ -2312,7 +2306,6 @@ void cifs_oplock_break(struct work_struct *work)
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oplock_break);
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struct inode *inode = cfile->pInode;
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struct cifsInodeInfo *cinode = CIFS_I(inode);
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struct cifs_sb_info *cifs_sb = CIFS_SB(cfile->mnt->mnt_sb);
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int rc, waitrc = 0;
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if (inode && S_ISREG(inode->i_mode)) {
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@ -2339,7 +2332,7 @@ void cifs_oplock_break(struct work_struct *work)
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* disconnected since oplock already released by the server
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*/
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if (!cfile->closePend && !cfile->oplock_break_cancelled) {
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rc = CIFSSMBLock(0, cifs_sb->tcon, cfile->netfid, 0, 0, 0, 0,
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rc = CIFSSMBLock(0, cfile->tcon, cfile->netfid, 0, 0, 0, 0,
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LOCKING_ANDX_OPLOCK_RELEASE, false);
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cFYI(1, "Oplock release rc = %d", rc);
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}
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@ -288,8 +288,8 @@ int cifs_get_file_info_unix(struct file *filp)
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struct cifs_fattr fattr;
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struct inode *inode = filp->f_path.dentry->d_inode;
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struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
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struct cifsTconInfo *tcon = cifs_sb->tcon;
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struct cifsFileInfo *cfile = filp->private_data;
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struct cifsTconInfo *tcon = cfile->tcon;
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xid = GetXid();
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rc = CIFSSMBUnixQFileInfo(xid, tcon, cfile->netfid, &find_data);
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@ -522,8 +522,8 @@ int cifs_get_file_info(struct file *filp)
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struct cifs_fattr fattr;
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struct inode *inode = filp->f_path.dentry->d_inode;
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struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
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struct cifsTconInfo *tcon = cifs_sb->tcon;
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struct cifsFileInfo *cfile = filp->private_data;
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struct cifsTconInfo *tcon = cfile->tcon;
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xid = GetXid();
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rc = CIFSSMBQFileInfo(xid, tcon, cfile->netfid, &find_data);
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@ -891,7 +891,7 @@ cifs_set_file_info(struct inode *inode, struct iattr *attrs, int xid,
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struct cifsFileInfo *open_file;
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struct cifsInodeInfo *cifsInode = CIFS_I(inode);
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struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
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struct cifsTconInfo *pTcon = cifs_sb->tcon;
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struct cifsTconInfo *pTcon;
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FILE_BASIC_INFO info_buf;
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if (attrs == NULL)
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@ -934,9 +934,12 @@ cifs_set_file_info(struct inode *inode, struct iattr *attrs, int xid,
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if (open_file) {
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netfid = open_file->netfid;
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netpid = open_file->pid;
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pTcon = open_file->tcon;
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goto set_via_filehandle;
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}
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pTcon = cifs_sb->tcon;
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/*
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* NT4 apparently returns success on this call, but it doesn't
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* really work.
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@ -1611,11 +1614,12 @@ int cifs_revalidate_file(struct file *filp)
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{
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int rc = 0;
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struct inode *inode = filp->f_path.dentry->d_inode;
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struct cifsFileInfo *cfile = (struct cifsFileInfo *) filp->private_data;
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if (!cifs_inode_needs_reval(inode))
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goto check_inval;
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if (CIFS_SB(inode->i_sb)->tcon->unix_ext)
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if (cfile->tcon->unix_ext)
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rc = cifs_get_file_info_unix(filp);
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else
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rc = cifs_get_file_info(filp);
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@ -1720,7 +1724,7 @@ cifs_set_file_size(struct inode *inode, struct iattr *attrs,
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struct cifsFileInfo *open_file;
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struct cifsInodeInfo *cifsInode = CIFS_I(inode);
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struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
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struct cifsTconInfo *pTcon = cifs_sb->tcon;
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struct cifsTconInfo *pTcon = NULL;
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/*
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* To avoid spurious oplock breaks from server, in the case of
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@ -1735,6 +1739,7 @@ cifs_set_file_size(struct inode *inode, struct iattr *attrs,
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if (open_file) {
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__u16 nfid = open_file->netfid;
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__u32 npid = open_file->pid;
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pTcon = open_file->tcon;
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rc = CIFSSMBSetFileSize(xid, pTcon, attrs->ia_size, nfid,
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npid, false);
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cifsFileInfo_put(open_file);
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@ -1749,6 +1754,9 @@ cifs_set_file_size(struct inode *inode, struct iattr *attrs,
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rc = -EINVAL;
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if (rc != 0) {
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if (pTcon == NULL)
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pTcon = cifs_sb->tcon;
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/* Set file size by pathname rather than by handle
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either because no valid, writeable file handle for
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it was found or because there was an error setting
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@ -1798,7 +1806,7 @@ cifs_setattr_unix(struct dentry *direntry, struct iattr *attrs)
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struct inode *inode = direntry->d_inode;
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struct cifsInodeInfo *cifsInode = CIFS_I(inode);
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struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
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struct cifsTconInfo *pTcon = cifs_sb->tcon;
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struct cifsTconInfo *pTcon;
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struct cifs_unix_set_info_args *args = NULL;
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struct cifsFileInfo *open_file;
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@ -1889,9 +1897,11 @@ cifs_setattr_unix(struct dentry *direntry, struct iattr *attrs)
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if (open_file) {
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u16 nfid = open_file->netfid;
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u32 npid = open_file->pid;
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pTcon = open_file->tcon;
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rc = CIFSSMBUnixSetFileInfo(xid, pTcon, args, nfid, npid);
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cifsFileInfo_put(open_file);
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} else {
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pTcon = cifs_sb->tcon;
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rc = CIFSSMBUnixSetPathInfo(xid, pTcon, full_path, args,
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cifs_sb->local_nls,
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cifs_sb->mnt_cifs_flags &
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@ -37,11 +37,11 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg)
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int xid;
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struct cifs_sb_info *cifs_sb;
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#ifdef CONFIG_CIFS_POSIX
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struct cifsFileInfo *pSMBFile = filep->private_data;
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struct cifsTconInfo *tcon = pSMBFile->tcon;
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__u64 ExtAttrBits = 0;
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__u64 ExtAttrMask = 0;
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__u64 caps;
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struct cifsTconInfo *tcon;
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struct cifsFileInfo *pSMBFile = filep->private_data;
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__u64 caps = le64_to_cpu(tcon->fsUnixInfo.Capability);
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#endif /* CONFIG_CIFS_POSIX */
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xid = GetXid();
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@ -50,17 +50,6 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg)
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cifs_sb = CIFS_SB(inode->i_sb);
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#ifdef CONFIG_CIFS_POSIX
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tcon = cifs_sb->tcon;
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if (tcon)
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caps = le64_to_cpu(tcon->fsUnixInfo.Capability);
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else {
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rc = -EIO;
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FreeXid(xid);
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return -EIO;
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}
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#endif /* CONFIG_CIFS_POSIX */
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switch (command) {
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case CIFS_IOC_CHECKUMOUNT:
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cFYI(1, "User unmount attempted");
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@ -228,22 +228,21 @@ static int initiate_cifs_search(const int xid, struct file *file)
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struct cifs_sb_info *cifs_sb;
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struct cifsTconInfo *pTcon;
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if (file->private_data == NULL) {
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cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
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if (cifs_sb == NULL)
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return -EINVAL;
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if (file->private_data == NULL)
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file->private_data =
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kzalloc(sizeof(struct cifsFileInfo), GFP_KERNEL);
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}
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if (file->private_data == NULL)
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return -ENOMEM;
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cifsFile = file->private_data;
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cifsFile->invalidHandle = true;
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cifsFile->srch_inf.endOfSearch = false;
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cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
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if (cifs_sb == NULL)
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return -EINVAL;
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pTcon = cifs_sb->tcon;
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cifsFile->tcon = cifs_sb->tcon;
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pTcon = cifsFile->tcon;
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if (pTcon == NULL)
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return -EINVAL;
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|
|
@ -786,9 +785,6 @@ int cifs_readdir(struct file *file, void *direntry, filldir_t filldir)
|
|||
xid = GetXid();
|
||||
|
||||
cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
|
||||
pTcon = cifs_sb->tcon;
|
||||
if (pTcon == NULL)
|
||||
return -EINVAL;
|
||||
|
||||
switch ((int) file->f_pos) {
|
||||
case 0:
|
||||
|
|
@ -838,6 +834,7 @@ int cifs_readdir(struct file *file, void *direntry, filldir_t filldir)
|
|||
CIFSFindClose(xid, pTcon, cifsFile->netfid);
|
||||
} */
|
||||
|
||||
pTcon = cifsFile->tcon;
|
||||
rc = find_cifs_entry(xid, pTcon, file,
|
||||
¤t_entry, &num_to_fill);
|
||||
if (rc) {
|
||||
|
|
|
|||
Loading…
Reference in New Issue