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WSL2-Linux-Kernel
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xfs: convert attr to use unsigned names 

To be consistent with the directory code, the attr code should use
unsigned names. Convert the names from the vfs at the highest level
to unsigned, and ænsure they are consistenly used as unsigned down
to disk.

Signed-off-by: Dave Chinner <david@fromorbit.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Dave Chinner 2010-01-20 10:47:48 +11:00
Родитель b9c4864957
Коммит a9273ca5c6
12 изменённых файлов: 90 добавлений и 70 удалений
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11
fs/xfs/linux-2.6/xfs_acl.c
Просмотреть файл

@ -106,7 +106,7 @@ xfs_get_acl(struct inode *inode, int type)
struct posix_acl *acl;
struct xfs_acl *xfs_acl;
int len = sizeof(struct xfs_acl);
char *ea_name;
unsigned char *ea_name;
int error;
acl = get_cached_acl(inode, type);
@ -133,7 +133,8 @@ xfs_get_acl(struct inode *inode, int type)
if (!xfs_acl)
return ERR_PTR(-ENOMEM);
error = -xfs_attr_get(ip, ea_name, (char *)xfs_acl, &len, ATTR_ROOT);
error = -xfs_attr_get(ip, ea_name, (unsigned char *)xfs_acl,
&len, ATTR_ROOT);
if (error) {
/*
* If the attribute doesn't exist make sure we have a negative
@ -162,7 +163,7 @@ STATIC int
xfs_set_acl(struct inode *inode, int type, struct posix_acl *acl)
{
struct xfs_inode *ip = XFS_I(inode);
char *ea_name;
unsigned char *ea_name;
int error;
if (S_ISLNK(inode->i_mode))
@ -194,7 +195,7 @@ xfs_set_acl(struct inode *inode, int type, struct posix_acl *acl)
(sizeof(struct xfs_acl_entry) *
(XFS_ACL_MAX_ENTRIES - acl->a_count));
error = -xfs_attr_set(ip, ea_name, (char *)xfs_acl,
error = -xfs_attr_set(ip, ea_name, (unsigned char *)xfs_acl,
len, ATTR_ROOT);
kfree(xfs_acl);
@ -262,7 +263,7 @@ xfs_set_mode(struct inode *inode, mode_t mode)
}
static int
xfs_acl_exists(struct inode *inode, char *name)
xfs_acl_exists(struct inode *inode, unsigned char *name)
{
int len = sizeof(struct xfs_acl);

18
fs/xfs/linux-2.6/xfs_ioctl.c
Просмотреть файл

@ -447,12 +447,12 @@ xfs_attrlist_by_handle(
int
xfs_attrmulti_attr_get(
struct inode *inode,
char *name,
char __user *ubuf,
unsigned char *name,
unsigned char __user *ubuf,
__uint32_t *len,
__uint32_t flags)
{
char *kbuf;
unsigned char *kbuf;
int error = EFAULT;
if (*len > XATTR_SIZE_MAX)
@ -476,12 +476,12 @@ xfs_attrmulti_attr_get(
int
xfs_attrmulti_attr_set(
struct inode *inode,
char *name,
const char __user *ubuf,
unsigned char *name,
const unsigned char __user *ubuf,
__uint32_t len,
__uint32_t flags)
{
char *kbuf;
unsigned char *kbuf;
int error = EFAULT;
if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
@ -501,7 +501,7 @@ xfs_attrmulti_attr_set(
int
xfs_attrmulti_attr_remove(
struct inode *inode,
char *name,
unsigned char *name,
__uint32_t flags)
{
if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
@ -519,7 +519,7 @@ xfs_attrmulti_by_handle(
xfs_fsop_attrmulti_handlereq_t am_hreq;
struct dentry *dentry;
unsigned int i, size;
char *attr_name;
unsigned char *attr_name;
if (!capable(CAP_SYS_ADMIN))
return -XFS_ERROR(EPERM);
@ -547,7 +547,7 @@ xfs_attrmulti_by_handle(
error = 0;
for (i = 0; i < am_hreq.opcount; i++) {
ops[i].am_error = strncpy_from_user(attr_name,
ops[i].am_error = strncpy_from_user((char *)attr_name,
ops[i].am_attrname, MAXNAMELEN);
if (ops[i].am_error == 0 || ops[i].am_error == MAXNAMELEN)
error = -ERANGE;

12
fs/xfs/linux-2.6/xfs_ioctl.h
Просмотреть файл

@ -45,23 +45,23 @@ xfs_readlink_by_handle(
extern int
xfs_attrmulti_attr_get(
struct inode *inode,
char *name,
char __user *ubuf,
unsigned char *name,
unsigned char __user *ubuf,
__uint32_t *len,
__uint32_t flags);
extern int
xfs_attrmulti_attr_set(
xfs_attrmulti_attr_set(
struct inode *inode,
char *name,
const char __user *ubuf,
unsigned char *name,
const unsigned char __user *ubuf,
__uint32_t len,
__uint32_t flags);
extern int
xfs_attrmulti_attr_remove(
struct inode *inode,
char *name,
unsigned char *name,
__uint32_t flags);
extern struct dentry *

4
fs/xfs/linux-2.6/xfs_ioctl32.c
Просмотреть файл

@ -411,7 +411,7 @@ xfs_compat_attrmulti_by_handle(
compat_xfs_fsop_attrmulti_handlereq_t am_hreq;
struct dentry *dentry;
unsigned int i, size;
char *attr_name;
unsigned char *attr_name;
if (!capable(CAP_SYS_ADMIN))
return -XFS_ERROR(EPERM);
@ -440,7 +440,7 @@ xfs_compat_attrmulti_by_handle(
error = 0;
for (i = 0; i < am_hreq.opcount; i++) {
ops[i].am_error = strncpy_from_user(attr_name,
ops[i].am_error = strncpy_from_user((char *)attr_name,
compat_ptr(ops[i].am_attrname),
MAXNAMELEN);
if (ops[i].am_error == 0 || ops[i].am_error == MAXNAMELEN)

4
fs/xfs/linux-2.6/xfs_iops.c
Просмотреть файл

@ -140,10 +140,10 @@ xfs_init_security(
struct xfs_inode *ip = XFS_I(inode);
size_t length;
void *value;
char *name;
unsigned char *name;
int error;
error = security_inode_init_security(inode, dir, &name,
error = security_inode_init_security(inode, dir, (char **)&name,
&value, &length);
if (error) {
if (error == -EOPNOTSUPP)

27
fs/xfs/linux-2.6/xfs_xattr.c
Просмотреть файл

@ -45,7 +45,7 @@ xfs_xattr_get(struct dentry *dentry, const char *name,
value = NULL;
}
error = -xfs_attr_get(ip, name, value, &asize, xflags);
error = -xfs_attr_get(ip, (unsigned char *)name, value, &asize, xflags);
if (error)
return error;
return asize;
@ -67,8 +67,9 @@ xfs_xattr_set(struct dentry *dentry, const char *name, const void *value,
xflags |= ATTR_REPLACE;
if (!value)
return -xfs_attr_remove(ip, name, xflags);
return -xfs_attr_set(ip, name, (void *)value, size, xflags);
return -xfs_attr_remove(ip, (unsigned char *)name, xflags);
return -xfs_attr_set(ip, (unsigned char *)name,
(void *)value, size, xflags);
}
static struct xattr_handler xfs_xattr_user_handler = {
@ -124,8 +125,13 @@ static const char *xfs_xattr_prefix(int flags)
}
static int
xfs_xattr_put_listent(struct xfs_attr_list_context *context, int flags,
char *name, int namelen, int valuelen, char *value)
xfs_xattr_put_listent(
struct xfs_attr_list_context *context,
int flags,
unsigned char *name,
int namelen,
int valuelen,
unsigned char *value)
{
unsigned int prefix_len = xfs_xattr_prefix_len(flags);
char *offset;
@ -148,7 +154,7 @@ xfs_xattr_put_listent(struct xfs_attr_list_context *context, int flags,
offset = (char *)context->alist + context->count;
strncpy(offset, xfs_xattr_prefix(flags), prefix_len);
offset += prefix_len;
strncpy(offset, name, namelen); /* real name */
strncpy(offset, (char *)name, namelen); /* real name */
offset += namelen;
*offset = '\0';
context->count += prefix_len + namelen + 1;
@ -156,8 +162,13 @@ xfs_xattr_put_listent(struct xfs_attr_list_context *context, int flags,
}
static int
xfs_xattr_put_listent_sizes(struct xfs_attr_list_context *context, int flags,
char *name, int namelen, int valuelen, char *value)
xfs_xattr_put_listent_sizes(
struct xfs_attr_list_context *context,
int flags,
unsigned char *name,
int namelen,
int valuelen,
unsigned char *value)
{
context->count += xfs_xattr_prefix_len(flags) + namelen + 1;
return 0;

4
fs/xfs/xfs_acl.h
Просмотреть файл

@ -36,8 +36,8 @@ struct xfs_acl {
};
/* On-disk XFS extended attribute names */
#define SGI_ACL_FILE "SGI_ACL_FILE"
#define SGI_ACL_DEFAULT "SGI_ACL_DEFAULT"
#define SGI_ACL_FILE (unsigned char *)"SGI_ACL_FILE"
#define SGI_ACL_DEFAULT (unsigned char *)"SGI_ACL_DEFAULT"
#define SGI_ACL_FILE_SIZE (sizeof(SGI_ACL_FILE)-1)
#define SGI_ACL_DEFAULT_SIZE (sizeof(SGI_ACL_DEFAULT)-1)

38
fs/xfs/xfs_attr.c
Просмотреть файл

@ -93,12 +93,12 @@ STATIC int xfs_attr_rmtval_remove(xfs_da_args_t *args);
STATIC int
xfs_attr_name_to_xname(
struct xfs_name *xname,
const char *aname)
const unsigned char *aname)
{
if (!aname)
return EINVAL;
xname->name = aname;
xname->len = strlen(aname);
xname->len = strlen((char *)aname);
if (xname->len >= MAXNAMELEN)
return EFAULT; /* match IRIX behaviour */
@ -124,7 +124,7 @@ STATIC int
xfs_attr_get_int(
struct xfs_inode *ip,
struct xfs_name *name,
char *value,
unsigned char *value,
int *valuelenp,
int flags)
{
@ -171,8 +171,8 @@ xfs_attr_get_int(
int
xfs_attr_get(
xfs_inode_t *ip,
const char *name,
char *value,
const unsigned char *name,
unsigned char *value,
int *valuelenp,
int flags)
{
@ -235,8 +235,12 @@ xfs_attr_calc_size(
}
STATIC int
xfs_attr_set_int(xfs_inode_t *dp, struct xfs_name *name,
char *value, int valuelen, int flags)
xfs_attr_set_int(
struct xfs_inode *dp,
struct xfs_name *name,
unsigned char *value,
int valuelen,
int flags)
{
xfs_da_args_t args;
xfs_fsblock_t firstblock;
@ -452,8 +456,8 @@ out:
int
xfs_attr_set(
xfs_inode_t *dp,
const char *name,
char *value,
const unsigned char *name,
unsigned char *value,
int valuelen,
int flags)
{
@ -600,7 +604,7 @@ out:
int
xfs_attr_remove(
xfs_inode_t *dp,
const char *name,
const unsigned char *name,
int flags)
{
int error;
@ -669,9 +673,13 @@ xfs_attr_list_int(xfs_attr_list_context_t *context)
*/
/*ARGSUSED*/
STATIC int
xfs_attr_put_listent(xfs_attr_list_context_t *context, int flags,
char *name, int namelen,
int valuelen, char *value)
xfs_attr_put_listent(
xfs_attr_list_context_t *context,
int flags,
unsigned char *name,
int namelen,
int valuelen,
unsigned char *value)
{
struct attrlist *alist = (struct attrlist *)context->alist;
attrlist_ent_t *aep;
@ -1980,7 +1988,7 @@ xfs_attr_rmtval_get(xfs_da_args_t *args)
xfs_bmbt_irec_t map[ATTR_RMTVALUE_MAPSIZE];
xfs_mount_t *mp;
xfs_daddr_t dblkno;
xfs_caddr_t dst;
void *dst;
xfs_buf_t *bp;
int nmap, error, tmp, valuelen, blkcnt, i;
xfs_dablk_t lblkno;
@ -2039,7 +2047,7 @@ xfs_attr_rmtval_set(xfs_da_args_t *args)
xfs_inode_t *dp;
xfs_bmbt_irec_t map;
xfs_daddr_t dblkno;
xfs_caddr_t src;
void *src;
xfs_buf_t *bp;
xfs_dablk_t lblkno;
int blkcnt, valuelen, nmap, error, tmp, committed;

2
fs/xfs/xfs_attr.h
Просмотреть файл

@ -113,7 +113,7 @@ typedef struct attrlist_cursor_kern {
typedef int (*put_listent_func_t)(struct xfs_attr_list_context *, int,
char *, int, int, char *);
unsigned char *, int, int, unsigned char *);
typedef struct xfs_attr_list_context {
struct xfs_inode *dp; /* inode */

28
fs/xfs/xfs_attr_leaf.c
Просмотреть файл

@ -521,11 +521,11 @@ xfs_attr_shortform_to_leaf(xfs_da_args_t *args)
sfe = &sf->list[0];
for (i = 0; i < sf->hdr.count; i++) {
nargs.name = (char *)sfe->nameval;
nargs.name = sfe->nameval;
nargs.namelen = sfe->namelen;
nargs.value = (char *)&sfe->nameval[nargs.namelen];
nargs.value = &sfe->nameval[nargs.namelen];
nargs.valuelen = sfe->valuelen;
nargs.hashval = xfs_da_hashname((char *)sfe->nameval,
nargs.hashval = xfs_da_hashname(sfe->nameval,
sfe->namelen);
nargs.flags = XFS_ATTR_NSP_ONDISK_TO_ARGS(sfe->flags);
error = xfs_attr_leaf_lookup_int(bp, &nargs); /* set a->index */
@ -612,10 +612,10 @@ xfs_attr_shortform_list(xfs_attr_list_context_t *context)
for (i = 0, sfe = &sf->list[0]; i < sf->hdr.count; i++) {
error = context->put_listent(context,
sfe->flags,
(char *)sfe->nameval,
sfe->nameval,
(int)sfe->namelen,
(int)sfe->valuelen,
(char*)&sfe->nameval[sfe->namelen]);
&sfe->nameval[sfe->namelen]);
/*
* Either search callback finished early or
@ -659,8 +659,8 @@ xfs_attr_shortform_list(xfs_attr_list_context_t *context)
}
sbp->entno = i;
sbp->hash = xfs_da_hashname((char *)sfe->nameval, sfe->namelen);
sbp->name = (char *)sfe->nameval;
sbp->hash = xfs_da_hashname(sfe->nameval, sfe->namelen);
sbp->name = sfe->nameval;
sbp->namelen = sfe->namelen;
/* These are bytes, and both on-disk, don't endian-flip */
sbp->valuelen = sfe->valuelen;
@ -818,9 +818,9 @@ xfs_attr_leaf_to_shortform(xfs_dabuf_t *bp, xfs_da_args_t *args, int forkoff)
continue;
ASSERT(entry->flags & XFS_ATTR_LOCAL);
name_loc = xfs_attr_leaf_name_local(leaf, i);
nargs.name = (char *)name_loc->nameval;
nargs.name = name_loc->nameval;
nargs.namelen = name_loc->namelen;
nargs.value = (char *)&name_loc->nameval[nargs.namelen];
nargs.value = &name_loc->nameval[nargs.namelen];
nargs.valuelen = be16_to_cpu(name_loc->valuelen);
nargs.hashval = be32_to_cpu(entry->hashval);
nargs.flags = XFS_ATTR_NSP_ONDISK_TO_ARGS(entry->flags);
@ -2370,10 +2370,10 @@ xfs_attr_leaf_list_int(xfs_dabuf_t *bp, xfs_attr_list_context_t *context)
retval = context->put_listent(context,
entry->flags,
(char *)name_loc->nameval,
name_loc->nameval,
(int)name_loc->namelen,
be16_to_cpu(name_loc->valuelen),
(char *)&name_loc->nameval[name_loc->namelen]);
&name_loc->nameval[name_loc->namelen]);
if (retval)
return retval;
} else {
@ -2397,15 +2397,15 @@ xfs_attr_leaf_list_int(xfs_dabuf_t *bp, xfs_attr_list_context_t *context)
return retval;
retval = context->put_listent(context,
entry->flags,
(char *)name_rmt->name,
name_rmt->name,
(int)name_rmt->namelen,
valuelen,
(char*)args.value);
args.value);
kmem_free(args.value);
} else {
retval = context->put_listent(context,
entry->flags,
(char *)name_rmt->name,
name_rmt->name,
(int)name_rmt->namelen,
valuelen,
NULL);

2
fs/xfs/xfs_attr_sf.h
Просмотреть файл

@ -52,7 +52,7 @@ typedef struct xfs_attr_sf_sort {
__uint8_t valuelen; /* length of value */
__uint8_t flags; /* flags bits (see xfs_attr_leaf.h) */
xfs_dahash_t hash; /* this entry's hash value */
char *name; /* name value, pointer into buffer */
unsigned char *name; /* name value, pointer into buffer */
} xfs_attr_sf_sort_t;
#define XFS_ATTR_SF_ENTSIZE_BYNAME(nlen,vlen) /* space name/value uses */ \

10
fs/xfs/xfs_vnodeops.h
Просмотреть файл

@ -43,11 +43,11 @@ int xfs_change_file_space(struct xfs_inode *ip, int cmd,
int xfs_rename(struct xfs_inode *src_dp, struct xfs_name *src_name,
struct xfs_inode *src_ip, struct xfs_inode *target_dp,
struct xfs_name *target_name, struct xfs_inode *target_ip);
int xfs_attr_get(struct xfs_inode *ip, const char *name, char *value,
int *valuelenp, int flags);
int xfs_attr_set(struct xfs_inode *dp, const char *name, char *value,
int valuelen, int flags);
int xfs_attr_remove(struct xfs_inode *dp, const char *name, int flags);
int xfs_attr_get(struct xfs_inode *ip, const unsigned char *name,
unsigned char *value, int *valuelenp, int flags);
int xfs_attr_set(struct xfs_inode *dp, const unsigned char *name,
unsigned char *value, int valuelen, int flags);
int xfs_attr_remove(struct xfs_inode *dp, const unsigned char *name, int flags);
int xfs_attr_list(struct xfs_inode *dp, char *buffer, int bufsize,
int flags, struct attrlist_cursor_kern *cursor);
ssize_t xfs_read(struct xfs_inode *ip, struct kiocb *iocb,