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fs: take the ACL checks to common code

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Replace the ->check_acl method with a ->get_acl method that simply reads an
ACL from disk after having a cache miss.  This means we can replace the ACL
checking boilerplate code with a single implementation in namei.c.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Christoph Hellwig
2011-07-23 17:37:31 +02:00
committed by Al Viro
parent edde854e8b
commit 4e34e719e4
52 changed files with 92 additions and 294 deletions
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21
fs/xfs/linux-2.6/xfs_acl.c
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@ -114,6 +114,8 @@ xfs_get_acl(struct inode *inode, int type)
if (acl != ACL_NOT_CACHED)
return acl;
trace_xfs_get_acl(ip);
switch (type) {
case ACL_TYPE_ACCESS:
ea_name = SGI_ACL_FILE;
@ -218,25 +220,6 @@ xfs_set_acl(struct inode *inode, int type, struct posix_acl *acl)
return error;
}
int
xfs_check_acl(struct inode *inode, int mask)
{
struct posix_acl *acl;
int error = -EAGAIN;
trace_xfs_check_acl(XFS_I(inode));
acl = xfs_get_acl(inode, ACL_TYPE_ACCESS);
if (IS_ERR(acl))
return PTR_ERR(acl);
if (acl) {
error = posix_acl_permission(inode, acl, mask);
posix_acl_release(acl);
}
return error;
}
static int
xfs_set_mode(struct inode *inode, mode_t mode)
{