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authorChristoph Hellwig <hch@lst.de>2009-11-03 18:44:44 +0300
committerAl Viro <viro@zeniv.linux.org.uk>2009-12-16 20:16:49 +0300
commit1c7c474c31aea6d5cb2fb35f31d9e9e91ae466b1 (patch)
tree89a5fd1146be1744ce3ac94789542841512315b8 /mm/shmem.c
parent431547b3c4533b8c7fd150ab36980b9a3147797b (diff)
downloadlinux-1c7c474c31aea6d5cb2fb35f31d9e9e91ae466b1.tar.xz
make generic_acl slightly more generic
Now that we cache the ACL pointers in the generic inode all the generic_acl cruft can go away and generic_acl.c can directly implement xattr handlers dealing with the full Posix ACL semantics for in-memory filesystems. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'mm/shmem.c')
-rw-r--r--mm/shmem.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/mm/shmem.c b/mm/shmem.c
index 3cd32c2ea0a0..f8485062f3ba 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -41,6 +41,7 @@ static struct vfsmount *shm_mnt;
#include <linux/xattr.h>
#include <linux/exportfs.h>
+#include <linux/posix_acl.h>
#include <linux/generic_acl.h>
#include <linux/mman.h>
#include <linux/string.h>
@@ -809,7 +810,7 @@ static int shmem_notify_change(struct dentry *dentry, struct iattr *attr)
error = inode_setattr(inode, attr);
#ifdef CONFIG_TMPFS_POSIX_ACL
if (!error && (attr->ia_valid & ATTR_MODE))
- error = generic_acl_chmod(inode, &shmem_acl_ops);
+ error = generic_acl_chmod(inode);
#endif
if (page)
page_cache_release(page);
@@ -1823,11 +1824,13 @@ shmem_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
return error;
}
}
- error = shmem_acl_init(inode, dir);
+#ifdef CONFIG_TMPFS_POSIX_ACL
+ error = generic_acl_init(inode, dir);
if (error) {
iput(inode);
return error;
}
+#endif
if (dir->i_mode & S_ISGID) {
inode->i_gid = dir->i_gid;
if (S_ISDIR(mode))
@@ -2074,8 +2077,8 @@ static struct xattr_handler shmem_xattr_security_handler = {
};
static struct xattr_handler *shmem_xattr_handlers[] = {
- &shmem_xattr_acl_access_handler,
- &shmem_xattr_acl_default_handler,
+ &generic_acl_access_handler,
+ &generic_acl_default_handler,
&shmem_xattr_security_handler,
NULL
};
@@ -2454,7 +2457,7 @@ static const struct inode_operations shmem_inode_operations = {
.getxattr = generic_getxattr,
.listxattr = generic_listxattr,
.removexattr = generic_removexattr,
- .check_acl = shmem_check_acl,
+ .check_acl = generic_check_acl,
#endif
};
@@ -2477,7 +2480,7 @@ static const struct inode_operations shmem_dir_inode_operations = {
.getxattr = generic_getxattr,
.listxattr = generic_listxattr,
.removexattr = generic_removexattr,
- .check_acl = shmem_check_acl,
+ .check_acl = generic_check_acl,
#endif
};
@@ -2488,7 +2491,7 @@ static const struct inode_operations shmem_special_inode_operations = {
.getxattr = generic_getxattr,
.listxattr = generic_listxattr,
.removexattr = generic_removexattr,
- .check_acl = shmem_check_acl,
+ .check_acl = generic_check_acl,
#endif
};