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audit: overhaul __audit_inode_child to accomodate retrying

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In order to accomodate retrying path-based syscalls, we need to add a
new "type" argument to audit_inode_child. This will tell us whether
we're looking for a child entry that represents a create or a delete.

If we find a parent, don't automatically assume that we need to create a
new entry. Instead, use the information we have to try to find an
existing entry first. Update it if one is found and create a new one if
not.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Jeff Layton
2012-10-10 15:25:25 -04:00
committed by Al Viro
parent e3d6b07b8b
commit 4fa6b5ecbf
5 changed files with 47 additions and 38 deletions
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2
fs/btrfs/ioctl.c
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@@ -638,7 +638,7 @@ static int btrfs_may_delete(struct inode *dir,struct dentry *victim,int isdir)
return -ENOENT;
BUG_ON(victim->d_parent->d_inode != dir);
audit_inode_child(dir, victim);
audit_inode_child(dir, victim, AUDIT_TYPE_CHILD_DELETE);
error = inode_permission(dir, MAY_WRITE | MAY_EXEC);
if (error)