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authorLinus Torvalds <torvalds@linux-foundation.org>2009-08-28 12:12:24 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-08 11:09:04 -0700
commit1d5ccd1c422d7d292a9e45248aa36771900c6331 (patch)
tree6fa8e117697dcb42dfec026149dfea49325bed98 /fs/ext3
parent6d848a488ad83cc3891bb274691118f45ce6aab9 (diff)
downloadop-kernel-dev-1d5ccd1c422d7d292a9e45248aa36771900c6331.zip
op-kernel-dev-1d5ccd1c422d7d292a9e45248aa36771900c6331.tar.gz
ext[234]: move over to 'check_acl' permission model
Don't implement per-filesystem 'extX_permission()' functions that have to be called for every path component operation, and instead just expose the actual ACL checking so that the VFS layer can now do it for us. Reviewed-by: James Morris <jmorris@namei.org> Acked-by: Serge Hallyn <serue@us.ibm.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/ext3')
-rw-r--r--fs/ext3/acl.c8
-rw-r--r--fs/ext3/acl.h4
-rw-r--r--fs/ext3/file.c2
-rw-r--r--fs/ext3/namei.c4
4 files changed, 6 insertions, 12 deletions
diff --git a/fs/ext3/acl.c b/fs/ext3/acl.c
index e167bae..c9b0df3 100644
--- a/fs/ext3/acl.c
+++ b/fs/ext3/acl.c
@@ -238,7 +238,7 @@ ext3_set_acl(handle_t *handle, struct inode *inode, int type,
return error;
}
-static int
+int
ext3_check_acl(struct inode *inode, int mask)
{
struct posix_acl *acl = ext3_get_acl(inode, ACL_TYPE_ACCESS);
@@ -254,12 +254,6 @@ ext3_check_acl(struct inode *inode, int mask)
return -EAGAIN;
}
-int
-ext3_permission(struct inode *inode, int mask)
-{
- return generic_permission(inode, mask, ext3_check_acl);
-}
-
/*
* Initialize the ACLs of a new inode. Called from ext3_new_inode.
*
diff --git a/fs/ext3/acl.h b/fs/ext3/acl.h
index 07d15a3..5973346 100644
--- a/fs/ext3/acl.h
+++ b/fs/ext3/acl.h
@@ -54,13 +54,13 @@ static inline int ext3_acl_count(size_t size)
#ifdef CONFIG_EXT3_FS_POSIX_ACL
/* acl.c */
-extern int ext3_permission (struct inode *, int);
+extern int ext3_check_acl (struct inode *, int);
extern int ext3_acl_chmod (struct inode *);
extern int ext3_init_acl (handle_t *, struct inode *, struct inode *);
#else /* CONFIG_EXT3_FS_POSIX_ACL */
#include <linux/sched.h>
-#define ext3_permission NULL
+#define ext3_check_acl NULL
static inline int
ext3_acl_chmod(struct inode *inode)
diff --git a/fs/ext3/file.c b/fs/ext3/file.c
index 5b49704..2992532 100644
--- a/fs/ext3/file.c
+++ b/fs/ext3/file.c
@@ -137,7 +137,7 @@ const struct inode_operations ext3_file_inode_operations = {
.listxattr = ext3_listxattr,
.removexattr = generic_removexattr,
#endif
- .permission = ext3_permission,
+ .check_acl = ext3_check_acl,
.fiemap = ext3_fiemap,
};
diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c
index 6ff7b97..aad6400 100644
--- a/fs/ext3/namei.c
+++ b/fs/ext3/namei.c
@@ -2445,7 +2445,7 @@ const struct inode_operations ext3_dir_inode_operations = {
.listxattr = ext3_listxattr,
.removexattr = generic_removexattr,
#endif
- .permission = ext3_permission,
+ .check_acl = ext3_check_acl,
};
const struct inode_operations ext3_special_inode_operations = {
@@ -2456,5 +2456,5 @@ const struct inode_operations ext3_special_inode_operations = {
.listxattr = ext3_listxattr,
.removexattr = generic_removexattr,
#endif
- .permission = ext3_permission,
+ .check_acl = ext3_check_acl,
};
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