CIFS: Replace netfid with cifs_fid struct in cifsFileInfo
[platform/adaptation/renesas_rcar/renesas_kernel.git] / fs / cifs / file.c
index 71e9ad9..712f2a4 100644 (file)
@@ -247,39 +247,39 @@ cifs_new_fileinfo(__u16 fileHandle, struct file *file,
 {
        struct dentry *dentry = file->f_path.dentry;
        struct inode *inode = dentry->d_inode;
-       struct cifsInodeInfo *pCifsInode = CIFS_I(inode);
-       struct cifsFileInfo *pCifsFile;
-
-       pCifsFile = kzalloc(sizeof(struct cifsFileInfo), GFP_KERNEL);
-       if (pCifsFile == NULL)
-               return pCifsFile;
-
-       pCifsFile->count = 1;
-       pCifsFile->netfid = fileHandle;
-       pCifsFile->pid = current->tgid;
-       pCifsFile->uid = current_fsuid();
-       pCifsFile->dentry = dget(dentry);
-       pCifsFile->f_flags = file->f_flags;
-       pCifsFile->invalidHandle = false;
-       pCifsFile->tlink = cifs_get_tlink(tlink);
-       mutex_init(&pCifsFile->fh_mutex);
-       INIT_WORK(&pCifsFile->oplock_break, cifs_oplock_break);
-       INIT_LIST_HEAD(&pCifsFile->llist);
+       struct cifsInodeInfo *cinode = CIFS_I(inode);
+       struct cifsFileInfo *cfile;
+
+       cfile = kzalloc(sizeof(struct cifsFileInfo), GFP_KERNEL);
+       if (cfile == NULL)
+               return cfile;
+
+       cfile->count = 1;
+       cfile->fid.netfid = fileHandle;
+       cfile->pid = current->tgid;
+       cfile->uid = current_fsuid();
+       cfile->dentry = dget(dentry);
+       cfile->f_flags = file->f_flags;
+       cfile->invalidHandle = false;
+       cfile->tlink = cifs_get_tlink(tlink);
+       mutex_init(&cfile->fh_mutex);
+       INIT_WORK(&cfile->oplock_break, cifs_oplock_break);
+       INIT_LIST_HEAD(&cfile->llist);
 
        spin_lock(&cifs_file_list_lock);
-       list_add(&pCifsFile->tlist, &(tlink_tcon(tlink)->openFileList));
+       list_add(&cfile->tlist, &(tlink_tcon(tlink)->openFileList));
        /* if readable file instance put first in list*/
        if (file->f_mode & FMODE_READ)
-               list_add(&pCifsFile->flist, &pCifsInode->openFileList);
+               list_add(&cfile->flist, &cinode->openFileList);
        else
-               list_add_tail(&pCifsFile->flist, &pCifsInode->openFileList);
+               list_add_tail(&cfile->flist, &cinode->openFileList);
        spin_unlock(&cifs_file_list_lock);
 
-       cifs_set_oplock_level(pCifsInode, oplock);
-       pCifsInode->can_cache_brlcks = pCifsInode->clientCanCacheAll;
+       cifs_set_oplock_level(cinode, oplock);
+       cinode->can_cache_brlcks = cinode->clientCanCacheAll;
 
-       file->private_data = pCifsFile;
-       return pCifsFile;
+       file->private_data = cfile;
+       return cfile;
 }
 
 static void cifs_del_lock_waiters(struct cifsLockInfo *lock);
@@ -336,7 +336,7 @@ void cifsFileInfo_put(struct cifsFileInfo *cifs_file)
                unsigned int xid;
                int rc;
                xid = get_xid();
-               rc = CIFSSMBClose(xid, tcon, cifs_file->netfid);
+               rc = CIFSSMBClose(xid, tcon, cifs_file->fid.netfid);
                free_xid(xid);
        }
 
@@ -561,7 +561,7 @@ static int cifs_reopen_file(struct cifsFileInfo *pCifsFile, bool can_flush)
        }
 
 reopen_success:
-       pCifsFile->netfid = netfid;
+       pCifsFile->fid.netfid = netfid;
        pCifsFile->invalidHandle = false;
        mutex_unlock(&pCifsFile->fh_mutex);
        pCifsInode = CIFS_I(inode);
@@ -609,39 +609,37 @@ int cifs_closedir(struct inode *inode, struct file *file)
 {
        int rc = 0;
        unsigned int xid;
-       struct cifsFileInfo *pCFileStruct = file->private_data;
-       char *ptmp;
+       struct cifsFileInfo *cfile = file->private_data;
+       char *tmp;
 
        cFYI(1, "Closedir inode = 0x%p", inode);
 
        xid = get_xid();
 
-       if (pCFileStruct) {
-               struct cifs_tcon *pTcon = tlink_tcon(pCFileStruct->tlink);
+       if (cfile) {
+               struct cifs_tcon *tcon = tlink_tcon(cfile->tlink);
 
                cFYI(1, "Freeing private data in close dir");
                spin_lock(&cifs_file_list_lock);
-               if (!pCFileStruct->srch_inf.endOfSearch &&
-                   !pCFileStruct->invalidHandle) {
-                       pCFileStruct->invalidHandle = true;
+               if (!cfile->srch_inf.endOfSearch && !cfile->invalidHandle) {
+                       cfile->invalidHandle = true;
                        spin_unlock(&cifs_file_list_lock);
-                       rc = CIFSFindClose(xid, pTcon, pCFileStruct->netfid);
-                       cFYI(1, "Closing uncompleted readdir with rc %d",
-                                rc);
+                       rc = CIFSFindClose(xid, tcon, cfile->fid.netfid);
+                       cFYI(1, "Closing uncompleted readdir with rc %d", rc);
                        /* not much we can do if it fails anyway, ignore rc */
                        rc = 0;
                } else
                        spin_unlock(&cifs_file_list_lock);
-               ptmp = pCFileStruct->srch_inf.ntwrk_buf_start;
-               if (ptmp) {
+               tmp = cfile->srch_inf.ntwrk_buf_start;
+               if (tmp) {
                        cFYI(1, "closedir free smb buf in srch struct");
-                       pCFileStruct->srch_inf.ntwrk_buf_start = NULL;
-                       if (pCFileStruct->srch_inf.smallBuf)
-                               cifs_small_buf_release(ptmp);
+                       cfile->srch_inf.ntwrk_buf_start = NULL;
+                       if (cfile->srch_inf.smallBuf)
+                               cifs_small_buf_release(tmp);
                        else
-                               cifs_buf_release(ptmp);
+                               cifs_buf_release(tmp);
                }
-               cifs_put_tlink(pCFileStruct->tlink);
+               cifs_put_tlink(cfile->tlink);
                kfree(file->private_data);
                file->private_data = NULL;
        }
@@ -932,7 +930,8 @@ cifs_push_mandatory_locks(struct cifsFileInfo *cfile)
                        cur->OffsetLow = cpu_to_le32((u32)li->offset);
                        cur->OffsetHigh = cpu_to_le32((u32)(li->offset>>32));
                        if (++num == max_num) {
-                               stored_rc = cifs_lockv(xid, tcon, cfile->netfid,
+                               stored_rc = cifs_lockv(xid, tcon,
+                                                      cfile->fid.netfid,
                                                       (__u8)li->type, 0, num,
                                                       buf);
                                if (stored_rc)
@@ -944,7 +943,7 @@ cifs_push_mandatory_locks(struct cifsFileInfo *cfile)
                }
 
                if (num) {
-                       stored_rc = cifs_lockv(xid, tcon, cfile->netfid,
+                       stored_rc = cifs_lockv(xid, tcon, cfile->fid.netfid,
                                               (__u8)types[i], 0, num, buf);
                        if (stored_rc)
                                rc = stored_rc;
@@ -1038,7 +1037,7 @@ cifs_push_posix_locks(struct cifsFileInfo *cfile)
                        type = CIFS_WRLCK;
                lck = list_entry(el, struct lock_to_push, llist);
                lck->pid = flock->fl_pid;
-               lck->netfid = cfile->netfid;
+               lck->netfid = cfile->fid.netfid;
                lck->length = length;
                lck->type = type;
                lck->offset = flock->fl_start;
@@ -1137,7 +1136,7 @@ static int
 cifs_mandatory_lock(unsigned int xid, struct cifsFileInfo *cfile, __u64 offset,
                    __u64 length, __u32 type, int lock, int unlock, bool wait)
 {
-       return CIFSSMBLock(xid, tlink_tcon(cfile->tlink), cfile->netfid,
+       return CIFSSMBLock(xid, tlink_tcon(cfile->tlink), cfile->fid.netfid,
                           current->tgid, length, offset, unlock, lock,
                           (__u8)type, wait, 0);
 }
@@ -1151,7 +1150,7 @@ cifs_getlk(struct file *file, struct file_lock *flock, __u32 type,
        struct cifsFileInfo *cfile = (struct cifsFileInfo *)file->private_data;
        struct cifs_tcon *tcon = tlink_tcon(cfile->tlink);
        struct TCP_Server_Info *server = tcon->ses->server;
-       __u16 netfid = cfile->netfid;
+       __u16 netfid = cfile->fid.netfid;
 
        if (posix_lck) {
                int posix_lock_type;
@@ -1295,7 +1294,8 @@ cifs_unlock_range(struct cifsFileInfo *cfile, struct file_lock *flock,
                         */
                        list_move(&li->llist, &tmp_llist);
                        if (++num == max_num) {
-                               stored_rc = cifs_lockv(xid, tcon, cfile->netfid,
+                               stored_rc = cifs_lockv(xid, tcon,
+                                                      cfile->fid.netfid,
                                                       li->type, num, 0, buf);
                                if (stored_rc) {
                                        /*
@@ -1318,7 +1318,7 @@ cifs_unlock_range(struct cifsFileInfo *cfile, struct file_lock *flock,
                                cur++;
                }
                if (num) {
-                       stored_rc = cifs_lockv(xid, tcon, cfile->netfid,
+                       stored_rc = cifs_lockv(xid, tcon, cfile->fid.netfid,
                                               types[i], num, 0, buf);
                        if (stored_rc) {
                                cifs_move_llist(&tmp_llist, &cfile->llist);
@@ -1343,7 +1343,7 @@ cifs_setlk(struct file *file,  struct file_lock *flock, __u32 type,
        struct cifsFileInfo *cfile = (struct cifsFileInfo *)file->private_data;
        struct cifs_tcon *tcon = tlink_tcon(cfile->tlink);
        struct TCP_Server_Info *server = tcon->ses->server;
-       __u16 netfid = cfile->netfid;
+       __u16 netfid = cfile->fid.netfid;
 
        if (posix_lck) {
                int posix_lock_type;
@@ -1423,7 +1423,7 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *flock)
                        tcon->ses->server);
 
        cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
-       netfid = cfile->netfid;
+       netfid = cfile->fid.netfid;
        cinode = CIFS_I(file->f_path.dentry->d_inode);
 
        if (cap_unix(tcon->ses) &&
@@ -1514,7 +1514,7 @@ static ssize_t cifs_write(struct cifsFileInfo *open_file, __u32 pid,
                        /* iov[0] is reserved for smb header */
                        iov[1].iov_base = (char *)write_data + total_written;
                        iov[1].iov_len = len;
-                       io_parms.netfid = open_file->netfid;
+                       io_parms.netfid = open_file->fid.netfid;
                        io_parms.pid = pid;
                        io_parms.tcon = pTcon;
                        io_parms.offset = *poffset;
@@ -2078,7 +2078,7 @@ int cifs_strict_fsync(struct file *file, loff_t start, loff_t end,
 
        tcon = tlink_tcon(smbfile->tlink);
        if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NOSSYNC))
-               rc = CIFSSMBFlush(xid, tcon, smbfile->netfid);
+               rc = CIFSSMBFlush(xid, tcon, smbfile->fid.netfid);
 
        free_xid(xid);
        mutex_unlock(&inode->i_mutex);
@@ -2106,7 +2106,7 @@ int cifs_fsync(struct file *file, loff_t start, loff_t end, int datasync)
 
        tcon = tlink_tcon(smbfile->tlink);
        if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NOSSYNC))
-               rc = CIFSSMBFlush(xid, tcon, smbfile->netfid);
+               rc = CIFSSMBFlush(xid, tcon, smbfile->fid.netfid);
 
        free_xid(xid);
        mutex_unlock(&inode->i_mutex);
@@ -2802,7 +2802,7 @@ static ssize_t cifs_read(struct file *file, char *read_data, size_t read_size,
                                if (rc != 0)
                                        break;
                        }
-                       io_parms.netfid = open_file->netfid;
+                       io_parms.netfid = open_file->fid.netfid;
                        io_parms.pid = pid;
                        io_parms.tcon = tcon;
                        io_parms.offset = *poffset;
@@ -3374,7 +3374,7 @@ void cifs_oplock_break(struct work_struct *work)
         * disconnected since oplock already released by the server
         */
        if (!cfile->oplock_break_cancelled) {
-               rc = CIFSSMBLock(0, tlink_tcon(cfile->tlink), cfile->netfid,
+               rc = CIFSSMBLock(0, tlink_tcon(cfile->tlink), cfile->fid.netfid,
                                 current->tgid, 0, 0, 0, 0,
                                 LOCKING_ANDX_OPLOCK_RELEASE, false,
                                 cinode->clientCanCacheRead ? 1 : 0);