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shmfs: use 'check_acl' instead of 'permission'

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shmfs wants purely standard POSIX ACL semantics, so we can use the new
generic VFS layer POSIX ACL checking rather than cooking our own
'permission()' function.

Reviewed-by: James Morris <[email protected]>
Acked-by: Serge Hallyn <[email protected]>
Acked-by: Hugh Dickins <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Linus Torvalds 2009-08-28 12:04:28 -07:00
commit 6d848a488a
3 changed files with 5 additions and 14 deletions
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6
mm/shmem.c
View file

@ -2446,7 +2446,7 @@ static const struct inode_operations shmem_inode_operations = {
.getxattr = generic_getxattr,
.listxattr = generic_listxattr,
.removexattr = generic_removexattr,
.permission = shmem_permission,
.check_acl = shmem_check_acl,
#endif
};
@ -2469,7 +2469,7 @@ static const struct inode_operations shmem_dir_inode_operations = {
.getxattr = generic_getxattr,
.listxattr = generic_listxattr,
.removexattr = generic_removexattr,
.permission = shmem_permission,
.check_acl = shmem_check_acl,
#endif
};
@ -2480,7 +2480,7 @@ static const struct inode_operations shmem_special_inode_operations = {
.getxattr = generic_getxattr,
.listxattr = generic_listxattr,
.removexattr = generic_removexattr,
.permission = shmem_permission,
.check_acl = shmem_check_acl,
#endif
};

11
mm/shmem_acl.c
View file

@ -157,7 +157,7 @@ shmem_acl_init(struct inode *inode, struct inode *dir)
/**
* shmem_check_acl - check_acl() callback for generic_permission()
*/
static int
int
shmem_check_acl(struct inode *inode, int mask)
{
struct posix_acl *acl = shmem_get_acl(inode, ACL_TYPE_ACCESS);
@ -169,12 +169,3 @@ shmem_check_acl(struct inode *inode, int mask)
}
return -EAGAIN;
}
/**
* shmem_permission - permission() inode operation
*/
int
shmem_permission(struct inode *inode, int mask)
{
return generic_permission(inode, mask, shmem_check_acl);
}