[CIFS] Remove unnecessary parm to cifs_reopen_file
Also expand debug entry to show which character on a failed Unicode
mapping.
Acked-by: Shaggy <shaggy@us.ibm.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 914b449..467cf89 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -338,8 +338,7 @@
return rc;
}
-static int cifs_reopen_file(struct inode *inode, struct file *file,
- int can_flush)
+static int cifs_reopen_file(struct file *file, int can_flush)
{
int rc = -EACCES;
int xid, oplock;
@@ -347,13 +346,12 @@
struct cifsTconInfo *pTcon;
struct cifsFileInfo *pCifsFile;
struct cifsInodeInfo *pCifsInode;
+ struct inode * inode;
char *full_path = NULL;
int desiredAccess;
int disposition = FILE_OPEN;
__u16 netfid;
- if (inode == NULL)
- return -EBADF;
if (file->private_data) {
pCifsFile = (struct cifsFileInfo *)file->private_data;
} else
@@ -368,25 +366,37 @@
}
if (file->f_path.dentry == NULL) {
- up(&pCifsFile->fh_sem);
- cFYI(1, ("failed file reopen, no valid name if dentry freed"));
- FreeXid(xid);
- return -EBADF;
+ cERROR(1, ("no valid name if dentry freed"));
+ dump_stack();
+ rc = -EBADF;
+ goto reopen_error_exit;
}
+
+ inode = file->f_path.dentry->d_inode;
+ if(inode == NULL) {
+ cERROR(1, ("inode not valid"));
+ dump_stack();
+ rc = -EBADF;
+ goto reopen_error_exit;
+ }
+
cifs_sb = CIFS_SB(inode->i_sb);
pTcon = cifs_sb->tcon;
+
/* can not grab rename sem here because various ops, including
those that already have the rename sem can end up causing writepage
to get called and if the server was down that means we end up here,
and we can never tell if the caller already has the rename_sem */
full_path = build_path_from_dentry(file->f_path.dentry);
if (full_path == NULL) {
+ rc = -ENOMEM;
+reopen_error_exit:
up(&pCifsFile->fh_sem);
FreeXid(xid);
- return -ENOMEM;
+ return rc;
}
- cFYI(1, (" inode = 0x%p file flags are 0x%x for %s",
+ cFYI(1, ("inode = 0x%p file flags 0x%x for %s",
inode, file->f_flags,full_path));
desiredAccess = cifs_convert_flags(file->f_flags);
@@ -401,13 +411,6 @@
and server version of file size can be stale. If we knew for sure
that inode was not dirty locally we could do this */
-/* buf = kmalloc(sizeof(FILE_ALL_INFO), GFP_KERNEL);
- if (buf == 0) {
- up(&pCifsFile->fh_sem);
- kfree(full_path);
- FreeXid(xid);
- return -ENOMEM;
- } */
rc = CIFSSMBOpen(xid, pTcon, full_path, disposition, desiredAccess,
CREATE_NOT_DIR, &netfid, &oplock, NULL,
cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
@@ -831,17 +834,11 @@
return -EBADF;
}
if (open_file->invalidHandle) {
- if ((file->f_path.dentry == NULL) ||
- (file->f_path.dentry->d_inode == NULL)) {
- FreeXid(xid);
- return total_written;
- }
/* we could deadlock if we called
filemap_fdatawait from here so tell
reopen_file not to flush data to server
now */
- rc = cifs_reopen_file(file->f_path.dentry->d_inode,
- file, FALSE);
+ rc = cifs_reopen_file(file, FALSE);
if (rc != 0)
break;
}
@@ -941,8 +938,7 @@
filemap_fdatawait from here so tell
reopen_file not to flush data to
server now */
- rc = cifs_reopen_file(file->f_path.dentry->d_inode,
- file, FALSE);
+ rc = cifs_reopen_file(file, FALSE);
if (rc != 0)
break;
}
@@ -1031,8 +1027,7 @@
read_unlock(&GlobalSMBSeslock);
if((open_file->invalidHandle) &&
(!open_file->closePend) /* BB fixme -since the second clause can not be true remove it BB */) {
- rc = cifs_reopen_file(&cifs_inode->vfs_inode,
- open_file->pfile, FALSE);
+ rc = cifs_reopen_file(open_file->pfile, FALSE);
/* if it fails, try another handle - might be */
/* dangerous to hold up writepages with retry */
if(rc) {
@@ -1379,32 +1374,6 @@
spin_lock(&inode->i_lock);
if (position > inode->i_size) {
i_size_write(inode, position);
- /* if (file->private_data == NULL) {
- rc = -EBADF;
- } else {
- open_file = (struct cifsFileInfo *)file->private_data;
- cifs_sb = CIFS_SB(inode->i_sb);
- rc = -EAGAIN;
- while (rc == -EAGAIN) {
- if ((open_file->invalidHandle) &&
- (!open_file->closePend)) {
- rc = cifs_reopen_file(
- file->f_path.dentry->d_inode, file);
- if (rc != 0)
- break;
- }
- if (!open_file->closePend) {
- rc = CIFSSMBSetFileSize(xid,
- cifs_sb->tcon, position,
- open_file->netfid,
- open_file->pid, FALSE);
- } else {
- rc = -EBADF;
- break;
- }
- }
- cFYI(1, (" SetEOF (commit write) rc = %d", rc));
- } */
}
spin_unlock(&inode->i_lock);
if (!PageUptodate(page)) {
@@ -1548,8 +1517,7 @@
int buf_type = CIFS_NO_BUFFER;
if ((open_file->invalidHandle) &&
(!open_file->closePend)) {
- rc = cifs_reopen_file(file->f_path.dentry->d_inode,
- file, TRUE);
+ rc = cifs_reopen_file(file, TRUE);
if (rc != 0)
break;
}
@@ -1635,8 +1603,7 @@
while (rc == -EAGAIN) {
if ((open_file->invalidHandle) &&
(!open_file->closePend)) {
- rc = cifs_reopen_file(file->f_path.dentry->d_inode,
- file, TRUE);
+ rc = cifs_reopen_file(file, TRUE);
if (rc != 0)
break;
}
@@ -1792,8 +1759,7 @@
while (rc == -EAGAIN) {
if ((open_file->invalidHandle) &&
(!open_file->closePend)) {
- rc = cifs_reopen_file(file->f_path.dentry->d_inode,
- file, TRUE);
+ rc = cifs_reopen_file(file, TRUE);
if (rc != 0)
break;
}