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-rw-r--r--fs/9p/acl.c68
-rw-r--r--fs/9p/acl.h10
-rw-r--r--fs/9p/vfs_inode_dotl.c13
3 files changed, 36 insertions, 55 deletions
diff --git a/fs/9p/acl.c b/fs/9p/acl.c
index e98f56d3787..814be079c18 100644
--- a/fs/9p/acl.c
+++ b/fs/9p/acl.c
@@ -96,14 +96,11 @@ static struct posix_acl *v9fs_get_cached_acl(struct inode *inode, int type)
return acl;
}
-int v9fs_check_acl(struct inode *inode, int mask)
+struct posix_acl *v9fs_iop_get_acl(struct inode *inode, int type)
{
struct posix_acl *acl;
struct v9fs_session_info *v9ses;
- if (mask & MAY_NOT_BLOCK)
- return -ECHILD;
-
v9ses = v9fs_inode2v9ses(inode);
if (((v9ses->flags & V9FS_ACCESS_MASK) != V9FS_ACCESS_CLIENT) ||
((v9ses->flags & V9FS_ACL_MASK) != V9FS_POSIX_ACL)) {
@@ -111,18 +108,10 @@ int v9fs_check_acl(struct inode *inode, int mask)
* On access = client and acl = on mode get the acl
* values from the server
*/
- return 0;
+ return NULL;
}
- acl = v9fs_get_cached_acl(inode, ACL_TYPE_ACCESS);
+ return v9fs_get_cached_acl(inode, type);
- if (IS_ERR(acl))
- return PTR_ERR(acl);
- if (acl) {
- int error = posix_acl_permission(inode, acl, mask);
- posix_acl_release(acl);
- return error;
- }
- return -EAGAIN;
}
static int v9fs_set_acl(struct dentry *dentry, int type, struct posix_acl *acl)
@@ -165,32 +154,32 @@ err_free_out:
int v9fs_acl_chmod(struct dentry *dentry)
{
int retval = 0;
- struct posix_acl *acl, *clone;
+ struct posix_acl *acl;
struct inode *inode = dentry->d_inode;
if (S_ISLNK(inode->i_mode))
return -EOPNOTSUPP;
acl = v9fs_get_cached_acl(inode, ACL_TYPE_ACCESS);
if (acl) {
- clone = posix_acl_clone(acl, GFP_KERNEL);
+ retval = posix_acl_chmod(&acl, GFP_KERNEL, inode->i_mode);
+ if (retval)
+ return retval;
+ retval = v9fs_set_acl(dentry, ACL_TYPE_ACCESS, acl);
posix_acl_release(acl);
- if (!clone)
- return -ENOMEM;
- retval = posix_acl_chmod_masq(clone, inode->i_mode);
- if (!retval)
- retval = v9fs_set_acl(dentry, ACL_TYPE_ACCESS, clone);
- posix_acl_release(clone);
}
return retval;
}
int v9fs_set_create_acl(struct dentry *dentry,
- struct posix_acl *dpacl, struct posix_acl *pacl)
+ struct posix_acl **dpacl, struct posix_acl **pacl)
{
- v9fs_set_acl(dentry, ACL_TYPE_DEFAULT, dpacl);
- v9fs_set_acl(dentry, ACL_TYPE_ACCESS, pacl);
- posix_acl_release(dpacl);
- posix_acl_release(pacl);
+ if (dentry) {
+ v9fs_set_acl(dentry, ACL_TYPE_DEFAULT, *dpacl);
+ v9fs_set_acl(dentry, ACL_TYPE_ACCESS, *pacl);
+ }
+ posix_acl_release(*dpacl);
+ posix_acl_release(*pacl);
+ *dpacl = *pacl = NULL;
return 0;
}
@@ -209,29 +198,18 @@ int v9fs_acl_mode(struct inode *dir, mode_t *modep,
mode &= ~current_umask();
}
if (acl) {
- struct posix_acl *clone;
-
if (S_ISDIR(mode))
- *dpacl = acl;
- clone = posix_acl_clone(acl, GFP_NOFS);
- retval = -ENOMEM;
- if (!clone)
- goto cleanup;
-
- retval = posix_acl_create_masq(clone, &mode);
- if (retval < 0) {
- posix_acl_release(clone);
- goto cleanup;
- }
+ *dpacl = posix_acl_dup(acl);
+ retval = posix_acl_create(&acl, GFP_NOFS, &mode);
+ if (retval < 0)
+ return retval;
if (retval > 0)
- *pacl = clone;
+ *pacl = acl;
+ else
+ posix_acl_release(acl);
}
*modep = mode;
return 0;
-cleanup:
- posix_acl_release(acl);
- return retval;
-
}
static int v9fs_remote_get_acl(struct dentry *dentry, const char *name,
diff --git a/fs/9p/acl.h b/fs/9p/acl.h
index 59e18c2e8c7..ddb7ae19d97 100644
--- a/fs/9p/acl.h
+++ b/fs/9p/acl.h
@@ -16,14 +16,14 @@
#ifdef CONFIG_9P_FS_POSIX_ACL
extern int v9fs_get_acl(struct inode *, struct p9_fid *);
-extern int v9fs_check_acl(struct inode *inode, int mask);
+extern struct posix_acl *v9fs_iop_get_acl(struct inode *inode, int type);
extern int v9fs_acl_chmod(struct dentry *);
extern int v9fs_set_create_acl(struct dentry *,
- struct posix_acl *, struct posix_acl *);
+ struct posix_acl **, struct posix_acl **);
extern int v9fs_acl_mode(struct inode *dir, mode_t *modep,
struct posix_acl **dpacl, struct posix_acl **pacl);
#else
-#define v9fs_check_acl NULL
+#define v9fs_iop_get_acl NULL
static inline int v9fs_get_acl(struct inode *inode, struct p9_fid *fid)
{
return 0;
@@ -33,8 +33,8 @@ static inline int v9fs_acl_chmod(struct dentry *dentry)
return 0;
}
static inline int v9fs_set_create_acl(struct dentry *dentry,
- struct posix_acl *dpacl,
- struct posix_acl *pacl)
+ struct posix_acl **dpacl,
+ struct posix_acl **pacl)
{
return 0;
}
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
index 276f4a69ecd..9a26dce5a99 100644
--- a/fs/9p/vfs_inode_dotl.c
+++ b/fs/9p/vfs_inode_dotl.c
@@ -287,7 +287,7 @@ v9fs_vfs_create_dotl(struct inode *dir, struct dentry *dentry, int omode,
goto error;
/* Now set the ACL based on the default value */
- v9fs_set_create_acl(dentry, dacl, pacl);
+ v9fs_set_create_acl(dentry, &dacl, &pacl);
v9inode = V9FS_I(inode);
mutex_lock(&v9inode->v_mutex);
@@ -328,6 +328,7 @@ error:
err_clunk_old_fid:
if (ofid)
p9_client_clunk(ofid);
+ v9fs_set_create_acl(NULL, &dacl, &pacl);
return err;
}
@@ -421,12 +422,13 @@ static int v9fs_vfs_mkdir_dotl(struct inode *dir,
d_instantiate(dentry, inode);
}
/* Now set the ACL based on the default value */
- v9fs_set_create_acl(dentry, dacl, pacl);
+ v9fs_set_create_acl(dentry, &dacl, &pacl);
inc_nlink(dir);
v9fs_invalidate_inode_attr(dir);
error:
if (fid)
p9_client_clunk(fid);
+ v9fs_set_create_acl(NULL, &dacl, &pacl);
return err;
}
@@ -826,10 +828,11 @@ v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, int omode,
d_instantiate(dentry, inode);
}
/* Now set the ACL based on the default value */
- v9fs_set_create_acl(dentry, dacl, pacl);
+ v9fs_set_create_acl(dentry, &dacl, &pacl);
error:
if (fid)
p9_client_clunk(fid);
+ v9fs_set_create_acl(NULL, &dacl, &pacl);
return err;
}
@@ -914,7 +917,7 @@ const struct inode_operations v9fs_dir_inode_operations_dotl = {
.getxattr = generic_getxattr,
.removexattr = generic_removexattr,
.listxattr = v9fs_listxattr,
- .check_acl = v9fs_check_acl,
+ .get_acl = v9fs_iop_get_acl,
};
const struct inode_operations v9fs_file_inode_operations_dotl = {
@@ -924,7 +927,7 @@ const struct inode_operations v9fs_file_inode_operations_dotl = {
.getxattr = generic_getxattr,
.removexattr = generic_removexattr,
.listxattr = v9fs_listxattr,
- .check_acl = v9fs_check_acl,
+ .get_acl = v9fs_iop_get_acl,
};
const struct inode_operations v9fs_symlink_inode_operations_dotl = {
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-28 23:05:45 +0000