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authorLinus Torvalds <torvalds@linux-foundation.org>2009-08-28 11:51:25 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-08 11:07:44 -0700
commit5909ccaa300a4a834ffa275327af4df0b9cb5295 (patch)
treeb4e402a2a544be7c59bccd4b4533787f2f19e7bc /include
parentcb9179ead0aa0e3b7b4087cdba59baf16bbeef6d (diff)
Make 'check_acl()' a first-class filesystem op
This is stage one in flattening out the callchains for the common permission testing. Rather than have most filesystem implement their own inode->i_op->permission function that just calls back down to the VFS layers 'generic_permission()' with the per-filesystem ACL checking function, the filesystem can just expose its 'check_acl' function directly, and let the VFS layer do everything for it. This is all just preparatory - no filesystem actually enables this yet. 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 'include')
-rw-r--r--include/linux/fs.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 73e9b643e45..c1f993515f5 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1528,6 +1528,7 @@ struct inode_operations {
void (*put_link) (struct dentry *, struct nameidata *, void *);
void (*truncate) (struct inode *);
int (*permission) (struct inode *, int);
+ int (*check_acl)(struct inode *, int);
int (*setattr) (struct dentry *, struct iattr *);
int (*getattr) (struct vfsmount *mnt, struct dentry *, struct kstat *);
int (*setxattr) (struct dentry *, const char *,const void *,size_t,int);