* fs/cifs/dir.c
*
* vfs operations that deal with dentries
- *
- * Copyright (C) International Business Machines Corp., 2002,2003
+ *
+ * Copyright (C) International Business Machines Corp., 2002,2008
* Author(s): Steve French (sfrench@us.ibm.com)
*
* This library is free software; you can redistribute it and/or modify
#include "cifs_debug.h"
#include "cifs_fs_sb.h"
-void
+static void
renew_parental_timestamps(struct dentry *direntry)
{
- /* BB check if there is a way to get the kernel to do this or if we really need this */
+ /* BB check if there is a way to get the kernel to do this or if we
+ really need this */
do {
direntry->d_time = jiffies;
direntry = direntry->d_parent;
- } while (!IS_ROOT(direntry));
+ } while (!IS_ROOT(direntry));
}
/* Note: caller must free return buffer */
build_path_from_dentry(struct dentry *direntry)
{
struct dentry *temp;
- int namelen = 0;
+ int namelen;
+ int pplen;
+ int dfsplen;
char *full_path;
- char dirsep = CIFS_DIR_SEP(CIFS_SB(direntry->d_sb));
+ char dirsep;
+ struct cifs_sb_info *cifs_sb;
- if(direntry == NULL)
+ if (direntry == NULL)
return NULL; /* not much we can do if dentry is freed and
we need to reopen the file after it was closed implicitly
when the server crashed */
+ cifs_sb = CIFS_SB(direntry->d_sb);
+ dirsep = CIFS_DIR_SEP(cifs_sb);
+ pplen = cifs_sb->prepathlen;
+ if (cifs_sb->tcon && (cifs_sb->tcon->Flags & SMB_SHARE_IS_IN_DFS))
+ dfsplen = strnlen(cifs_sb->tcon->treeName, MAX_TREE_SIZE + 1);
+ else
+ dfsplen = 0;
cifs_bp_rename_retry:
+ namelen = pplen + dfsplen;
for (temp = direntry; !IS_ROOT(temp);) {
namelen += (1 + temp->d_name.len);
temp = temp->d_parent;
- if(temp == NULL) {
- cERROR(1,("corrupt dentry"));
+ if (temp == NULL) {
+ cERROR(1, ("corrupt dentry"));
return NULL;
}
}
full_path = kmalloc(namelen+1, GFP_KERNEL);
- if(full_path == NULL)
+ if (full_path == NULL)
return full_path;
full_path[namelen] = 0; /* trailing null */
-
for (temp = direntry; !IS_ROOT(temp);) {
namelen -= 1 + temp->d_name.len;
if (namelen < 0) {
full_path[namelen] = dirsep;
strncpy(full_path + namelen + 1, temp->d_name.name,
temp->d_name.len);
- cFYI(0, (" name: %s ", full_path + namelen));
+ cFYI(0, ("name: %s", full_path + namelen));
}
temp = temp->d_parent;
- if(temp == NULL) {
- cERROR(1,("corrupt dentry"));
+ if (temp == NULL) {
+ cERROR(1, ("corrupt dentry"));
kfree(full_path);
return NULL;
}
}
- if (namelen != 0) {
+ if (namelen != pplen + dfsplen) {
cERROR(1,
- ("We did not end path lookup where we expected namelen is %d",
+ ("did not end path lookup where expected namelen is %d",
namelen));
- /* presumably this is only possible if we were racing with a rename
+ /* presumably this is only possible if racing with a rename
of one of the parent directories (we can not lock the dentries
above us to prevent this, but retrying should be harmless) */
kfree(full_path);
- namelen = 0;
goto cifs_bp_rename_retry;
}
-
+ /* DIR_SEP already set for byte 0 / vs \ but not for
+ subsequent slashes in prepath which currently must
+ be entered the right way - not sure if there is an alternative
+ since the '\' is a valid posix character so we can not switch
+ those safely to '/' if any are found in the middle of the prepath */
+ /* BB test paths to Windows with '/' in the midst of prepath */
+
+ if (dfsplen) {
+ strncpy(full_path, cifs_sb->tcon->treeName, dfsplen);
+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIX_PATHS) {
+ int i;
+ for (i = 0; i < dfsplen; i++) {
+ if (full_path[i] == '\\')
+ full_path[i] = '/';
+ }
+ }
+ }
+ strncpy(full_path + dfsplen, CIFS_SB(direntry->d_sb)->prepath, pplen);
return full_path;
}
-/* char * build_wildcard_path_from_dentry(struct dentry *direntry)
-{
- if(full_path == NULL)
- return full_path;
-
- full_path[namelen] = '\\';
- full_path[namelen+1] = '*';
- full_path[namelen+2] = 0;
-BB remove above eight lines BB */
-
-/* Inode operations in similar order to how they appear in the Linux file fs.h */
+/* Inode operations in similar order to how they appear in Linux file fs.h */
int
cifs_create(struct inode *inode, struct dentry *direntry, int mode,
{
int rc = -ENOENT;
int xid;
+ int create_options = CREATE_NOT_DIR;
int oplock = 0;
int desiredAccess = GENERIC_READ | GENERIC_WRITE;
__u16 fileHandle;
struct cifs_sb_info *cifs_sb;
struct cifsTconInfo *pTcon;
char *full_path = NULL;
- FILE_ALL_INFO * buf = NULL;
+ FILE_ALL_INFO *buf = NULL;
struct inode *newinode = NULL;
- struct cifsFileInfo * pCifsFile = NULL;
- struct cifsInodeInfo * pCifsInode;
+ struct cifsFileInfo *pCifsFile = NULL;
+ struct cifsInodeInfo *pCifsInode;
int disposition = FILE_OVERWRITE_IF;
- int write_only = FALSE;
+ bool write_only = false;
xid = GetXid();
cifs_sb = CIFS_SB(inode->i_sb);
pTcon = cifs_sb->tcon;
- down(&direntry->d_sb->s_vfs_rename_sem);
full_path = build_path_from_dentry(direntry);
- up(&direntry->d_sb->s_vfs_rename_sem);
- if(full_path == NULL) {
+ if (full_path == NULL) {
FreeXid(xid);
return -ENOMEM;
}
- if(nd && (nd->flags & LOOKUP_OPEN)) {
+ if (nd && (nd->flags & LOOKUP_OPEN)) {
int oflags = nd->intent.open.flags;
desiredAccess = 0;
if (oflags & FMODE_WRITE) {
desiredAccess |= GENERIC_WRITE;
if (!(oflags & FMODE_READ))
- write_only = TRUE;
+ write_only = true;
}
- if((oflags & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL))
+ if ((oflags & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL))
disposition = FILE_CREATE;
- else if((oflags & (O_CREAT | O_TRUNC)) == (O_CREAT | O_TRUNC))
+ else if ((oflags & (O_CREAT | O_TRUNC)) == (O_CREAT | O_TRUNC))
disposition = FILE_OVERWRITE_IF;
- else if((oflags & O_CREAT) == O_CREAT)
+ else if ((oflags & O_CREAT) == O_CREAT)
disposition = FILE_OPEN_IF;
- else {
- cFYI(1,("Create flag not set in create function"));
- }
+ else
+ cFYI(1, ("Create flag not set in create function"));
}
- /* BB add processing to set equivalent of mode - e.g. via CreateX with ACLs */
+ /* BB add processing to set equivalent of mode - e.g. via CreateX with
+ ACLs */
if (oplockEnabled)
oplock = REQ_OPLOCK;
- buf = kmalloc(sizeof(FILE_ALL_INFO),GFP_KERNEL);
- if(buf == NULL) {
+ buf = kmalloc(sizeof(FILE_ALL_INFO), GFP_KERNEL);
+ if (buf == NULL) {
kfree(full_path);
FreeXid(xid);
return -ENOMEM;
}
- rc = CIFSSMBOpen(xid, pTcon, full_path, disposition,
- desiredAccess, CREATE_NOT_DIR,
+ mode &= ~current->fs->umask;
+
+ /*
+ * if we're not using unix extensions, see if we need to set
+ * ATTR_READONLY on the create call
+ */
+ if (!pTcon->unix_ext && (mode & S_IWUGO) == 0)
+ create_options |= CREATE_OPTION_READONLY;
+
+ if (cifs_sb->tcon->ses->capabilities & CAP_NT_SMBS)
+ rc = CIFSSMBOpen(xid, pTcon, full_path, disposition,
+ desiredAccess, create_options,
&fileHandle, &oplock, buf, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
- if(rc == -EIO) {
+ else
+ rc = -EIO; /* no NT SMB support fall into legacy open below */
+
+ if (rc == -EIO) {
/* old server, retry the open legacy style */
rc = SMBLegacyOpen(xid, pTcon, full_path, disposition,
- desiredAccess, CREATE_NOT_DIR,
+ desiredAccess, create_options,
&fileHandle, &oplock, buf, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
- }
+ }
if (rc) {
- cFYI(1, ("cifs_create returned 0x%x ", rc));
+ cFYI(1, ("cifs_create returned 0x%x", rc));
} else {
/* If Open reported that we actually created a file
then we now have to set the mode if possible */
- if ((cifs_sb->tcon->ses->capabilities & CAP_UNIX) &&
- (oplock & CIFS_CREATE_ACTION))
- if(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) {
+ if ((pTcon->unix_ext) && (oplock & CIFS_CREATE_ACTION)) {
+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) {
CIFSSMBUnixSetPerms(xid, pTcon, full_path, mode,
- (__u64)current->euid,
- (__u64)current->egid,
+ (__u64)current->fsuid,
+ (__u64)current->fsgid,
0 /* dev */,
- cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags &
+ cifs_sb->local_nls,
+ cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
} else {
CIFSSMBUnixSetPerms(xid, pTcon, full_path, mode,
(__u64)-1,
0 /* dev */,
cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags &
+ cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
}
- else {
- /* BB implement mode setting via Windows security descriptors */
- /* eg CIFSSMBWinSetPerms(xid,pTcon,full_path,mode,-1,-1,local_nls);*/
- /* could set r/o dos attribute if mode & 0222 == 0 */
+ } else {
+ /* BB implement mode setting via Windows security
+ descriptors e.g. */
+ /* CIFSSMBWinSetPerms(xid,pTcon,path,mode,-1,-1,nls);*/
+
+ /* Could set r/o dos attribute if mode & 0222 == 0 */
}
- /* BB server might mask mode so we have to query for Unix case*/
- if (pTcon->ses->capabilities & CAP_UNIX)
+ /* server might mask mode so we have to query for it */
+ if (pTcon->unix_ext)
rc = cifs_get_inode_info_unix(&newinode, full_path,
- inode->i_sb,xid);
+ inode->i_sb, xid);
else {
rc = cifs_get_inode_info(&newinode, full_path,
- buf, inode->i_sb,xid);
- if(newinode)
+ buf, inode->i_sb, xid,
+ &fileHandle);
+ if (newinode) {
newinode->i_mode = mode;
+ if ((oplock & CIFS_CREATE_ACTION) &&
+ (cifs_sb->mnt_cifs_flags &
+ CIFS_MOUNT_SET_UID)) {
+ newinode->i_uid = current->fsuid;
+ newinode->i_gid = current->fsgid;
+ }
+ }
}
if (rc != 0) {
direntry->d_op = &cifs_dentry_ops;
d_instantiate(direntry, newinode);
}
- if((nd->flags & LOOKUP_OPEN) == FALSE) {
+ if ((nd == NULL /* nfsd case - nfs srv does not set nd */) ||
+ (!(nd->flags & LOOKUP_OPEN))) {
/* mknod case - do not leave file open */
CIFSSMBClose(xid, pTcon, fileHandle);
- } else if(newinode) {
+ } else if (newinode) {
pCifsFile =
- kmalloc(sizeof (struct cifsFileInfo), GFP_KERNEL);
-
- if(pCifsFile == NULL)
+ kzalloc(sizeof(struct cifsFileInfo), GFP_KERNEL);
+
+ if (pCifsFile == NULL)
goto cifs_create_out;
- memset((char *)pCifsFile, 0,
- sizeof (struct cifsFileInfo));
pCifsFile->netfid = fileHandle;
pCifsFile->pid = current->tgid;
pCifsFile->pInode = newinode;
- pCifsFile->invalidHandle = FALSE;
- pCifsFile->closePend = FALSE;
+ pCifsFile->invalidHandle = false;
+ pCifsFile->closePend = false;
init_MUTEX(&pCifsFile->fh_sem);
- /* set the following in open now
+ mutex_init(&pCifsFile->lock_mutex);
+ INIT_LIST_HEAD(&pCifsFile->llist);
+ atomic_set(&pCifsFile->wrtPending, 0);
+
+ /* set the following in open now
pCifsFile->pfile = file; */
write_lock(&GlobalSMBSeslock);
- list_add(&pCifsFile->tlist,&pTcon->openFileList);
+ list_add(&pCifsFile->tlist, &pTcon->openFileList);
pCifsInode = CIFS_I(newinode);
- if(pCifsInode) {
+ if (pCifsInode) {
/* if readable file instance put first in list*/
- if (write_only == TRUE) {
- list_add_tail(&pCifsFile->flist,
+ if (write_only) {
+ list_add_tail(&pCifsFile->flist,
&pCifsInode->openFileList);
} else {
list_add(&pCifsFile->flist,
&pCifsInode->openFileList);
}
- if((oplock & 0xF) == OPLOCK_EXCLUSIVE) {
- pCifsInode->clientCanCacheAll = TRUE;
- pCifsInode->clientCanCacheRead = TRUE;
- cFYI(1,("Exclusive Oplock for inode %p",
+ if ((oplock & 0xF) == OPLOCK_EXCLUSIVE) {
+ pCifsInode->clientCanCacheAll = true;
+ pCifsInode->clientCanCacheRead = true;
+ cFYI(1, ("Exclusive Oplock inode %p",
newinode));
- } else if((oplock & 0xF) == OPLOCK_READ)
- pCifsInode->clientCanCacheRead = TRUE;
+ } else if ((oplock & 0xF) == OPLOCK_READ)
+ pCifsInode->clientCanCacheRead = true;
}
write_unlock(&GlobalSMBSeslock);
}
- }
+ }
cifs_create_out:
kfree(buf);
kfree(full_path);
return rc;
}
-int cifs_mknod(struct inode *inode, struct dentry *direntry, int mode, dev_t device_number)
+int cifs_mknod(struct inode *inode, struct dentry *direntry, int mode,
+ dev_t device_number)
{
int rc = -EPERM;
int xid;
struct cifs_sb_info *cifs_sb;
struct cifsTconInfo *pTcon;
char *full_path = NULL;
- struct inode * newinode = NULL;
+ struct inode *newinode = NULL;
if (!old_valid_dev(device_number))
return -EINVAL;
cifs_sb = CIFS_SB(inode->i_sb);
pTcon = cifs_sb->tcon;
- down(&direntry->d_sb->s_vfs_rename_sem);
full_path = build_path_from_dentry(direntry);
- up(&direntry->d_sb->s_vfs_rename_sem);
- if(full_path == NULL)
+ if (full_path == NULL)
rc = -ENOMEM;
- else if (pTcon->ses->capabilities & CAP_UNIX) {
- if(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) {
+ else if (pTcon->unix_ext) {
+ mode &= ~current->fs->umask;
+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) {
rc = CIFSSMBUnixSetPerms(xid, pTcon, full_path,
- mode,(__u64)current->euid,(__u64)current->egid,
+ mode, (__u64)current->fsuid,
+ (__u64)current->fsgid,
device_number, cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags &
+ cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
} else {
rc = CIFSSMBUnixSetPerms(xid, pTcon,
full_path, mode, (__u64)-1, (__u64)-1,
device_number, cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags &
+ cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
}
- if(!rc) {
+ if (!rc) {
rc = cifs_get_inode_info_unix(&newinode, full_path,
- inode->i_sb,xid);
+ inode->i_sb, xid);
if (pTcon->nocase)
direntry->d_op = &cifs_ci_dentry_ops;
else
direntry->d_op = &cifs_dentry_ops;
- if(rc == 0)
+ if (rc == 0)
d_instantiate(direntry, newinode);
}
} else {
- if(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) {
+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL) {
int oplock = 0;
u16 fileHandle;
- FILE_ALL_INFO * buf;
+ FILE_ALL_INFO *buf;
- cFYI(1,("sfu compat create special file"));
+ cFYI(1, ("sfu compat create special file"));
- buf = kmalloc(sizeof(FILE_ALL_INFO),GFP_KERNEL);
- if(buf == NULL) {
+ buf = kmalloc(sizeof(FILE_ALL_INFO), GFP_KERNEL);
+ if (buf == NULL) {
kfree(full_path);
FreeXid(xid);
return -ENOMEM;
rc = CIFSSMBOpen(xid, pTcon, full_path,
FILE_CREATE, /* fail if exists */
- GENERIC_WRITE /* BB would
+ GENERIC_WRITE /* BB would
WRITE_OWNER | WRITE_DAC be better? */,
/* Create a file and set the
file attribute to SYSTEM */
CREATE_NOT_DIR | CREATE_OPTION_SPECIAL,
&fileHandle, &oplock, buf,
cifs_sb->local_nls,
- cifs_sb->mnt_cifs_flags &
+ cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
- if(!rc) {
+ /* BB FIXME - add handling for backlevel servers
+ which need legacy open and check for all
+ calls to SMBOpen for fallback to SMBLeagcyOpen */
+ if (!rc) {
/* BB Do not bother to decode buf since no
- local inode yet to put timestamps in */
+ local inode yet to put timestamps in,
+ but we can reuse it safely */
+ unsigned int bytes_written;
+ struct win_dev *pdev;
+ pdev = (struct win_dev *)buf;
+ if (S_ISCHR(mode)) {
+ memcpy(pdev->type, "IntxCHR", 8);
+ pdev->major =
+ cpu_to_le64(MAJOR(device_number));
+ pdev->minor =
+ cpu_to_le64(MINOR(device_number));
+ rc = CIFSSMBWrite(xid, pTcon,
+ fileHandle,
+ sizeof(struct win_dev),
+ 0, &bytes_written, (char *)pdev,
+ NULL, 0);
+ } else if (S_ISBLK(mode)) {
+ memcpy(pdev->type, "IntxBLK", 8);
+ pdev->major =
+ cpu_to_le64(MAJOR(device_number));
+ pdev->minor =
+ cpu_to_le64(MINOR(device_number));
+ rc = CIFSSMBWrite(xid, pTcon,
+ fileHandle,
+ sizeof(struct win_dev),
+ 0, &bytes_written, (char *)pdev,
+ NULL, 0);
+ } /* else if(S_ISFIFO */
CIFSSMBClose(xid, pTcon, fileHandle);
d_drop(direntry);
}
struct dentry *
-cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry, struct nameidata *nd)
+cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry,
+ struct nameidata *nd)
{
int xid;
int rc = 0; /* to get around spurious gcc warning, set to zero here */
xid = GetXid();
- cFYI(1,
- (" parent inode = 0x%p name is: %s and dentry = 0x%p",
+ cFYI(1, (" parent inode = 0x%p name is: %s and dentry = 0x%p",
parent_dir_inode, direntry->d_name.name, direntry));
- /* BB Add check of incoming data - e.g. frame not longer than maximum SMB - let server check the namelen BB */
-
/* check whether path exists */
cifs_sb = CIFS_SB(parent_dir_inode->i_sb);
pTcon = cifs_sb->tcon;
+ /*
+ * Don't allow the separator character in a path component.
+ * The VFS will not allow "/", but "\" is allowed by posix.
+ */
+ if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIX_PATHS)) {
+ int i;
+ for (i = 0; i < direntry->d_name.len; i++)
+ if (direntry->d_name.name[i] == '\\') {
+ cFYI(1, ("Invalid file name"));
+ FreeXid(xid);
+ return ERR_PTR(-EINVAL);
+ }
+ }
+
/* can not grab the rename sem here since it would
deadlock in the cases (beginning of sys_rename itself)
in which we already have the sb rename sem */
full_path = build_path_from_dentry(direntry);
- if(full_path == NULL) {
+ if (full_path == NULL) {
FreeXid(xid);
return ERR_PTR(-ENOMEM);
}
cFYI(1,
(" Full path: %s inode = 0x%p", full_path, direntry->d_inode));
- if (pTcon->ses->capabilities & CAP_UNIX)
+ if (pTcon->unix_ext)
rc = cifs_get_inode_info_unix(&newInode, full_path,
- parent_dir_inode->i_sb,xid);
+ parent_dir_inode->i_sb, xid);
else
rc = cifs_get_inode_info(&newInode, full_path, NULL,
- parent_dir_inode->i_sb,xid);
+ parent_dir_inode->i_sb, xid, NULL);
if ((rc == 0) && (newInode != NULL)) {
if (pTcon->nocase)
direntry->d_op = &cifs_dentry_ops;
d_add(direntry, newInode);
- /* since paths are not looked up by component - the parent directories are presumed to be good here */
+ /* since paths are not looked up by component - the parent
+ directories are presumed to be good here */
renew_parental_timestamps(direntry);
} else if (rc == -ENOENT) {
rc = 0;
+ direntry->d_time = jiffies;
+ if (pTcon->nocase)
+ direntry->d_op = &cifs_ci_dentry_ops;
+ else
+ direntry->d_op = &cifs_dentry_ops;
d_add(direntry, NULL);
- } else {
- cERROR(1,("Error 0x%x on cifs_get_inode_info in lookup of %s",
- rc,full_path));
- /* BB special case check for Access Denied - watch security
- exposure of returning dir info implicitly via different rc
- if file exists or not but no access BB */
+ /* if it was once a directory (but how can we tell?) we could do
+ shrink_dcache_parent(direntry); */
+ } else if (rc != -EACCES) {
+ cERROR(1, ("Unexpected lookup error %d", rc));
+ /* We special case check for Access Denied - since that
+ is a common return code */
}
kfree(full_path);
{
int isValid = 1;
-/* lock_kernel(); *//* surely we do not want to lock the kernel for a whole network round trip which could take seconds */
-
if (direntry->d_inode) {
- if (cifs_revalidate(direntry)) {
- /* unlock_kernel(); */
+ if (cifs_revalidate(direntry))
return 0;
- }
} else {
- cFYI(1,
- ("In cifs_d_revalidate with no inode but name = %s and dentry 0x%p",
- direntry->d_name.name, direntry));
+ cFYI(1, ("neg dentry 0x%p name = %s",
+ direntry, direntry->d_name.name));
+ if (time_after(jiffies, direntry->d_time + HZ) ||
+ !lookupCacheEnabled) {
+ d_drop(direntry);
+ isValid = 0;
+ }
}
-/* unlock_kernel(); */
-
return isValid;
}
struct dentry_operations cifs_dentry_ops = {
.d_revalidate = cifs_d_revalidate,
-/* d_delete: cifs_d_delete, *//* not needed except for debugging */
- /* no need for d_hash, d_compare, d_release, d_iput ... yet. BB confirm this BB */
+/* d_delete: cifs_d_delete, */ /* not needed except for debugging */
};
static int cifs_ci_hash(struct dentry *dentry, struct qstr *q)
* case take precedence. If a is not a negative dentry, this
* should have no side effects
*/
- memcpy((unsigned char *)a->name, b->name, a->len);
+ memcpy((void *)a->name, b->name, a->len);
return 0;
}
return 1;