lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

vfs: move ACL cache lookup into generic code

Browse Source 
This moves logic for checking the cached ACL values from low-level
filesystems into generic code.  The end result is a streamlined ACL
check that doesn't need to load the inode->i_op->check_acl pointer at
all for the common cached case.

The filesystems also don't need to check for a non-blocking RCU walk
case in their acl_check() functions, because that is all handled at a
VFS layer.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Linus Torvalds
2011-07-22 19:30:19 -07:00
committed by Al Viro
parent 3ca30d40a9
commit e77819e57f
12 changed files with 64 additions and 68 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
fs/9p/acl.c
View File

@@ -101,9 +101,6 @@ int v9fs_check_acl(struct inode *inode, int mask)
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)) {