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vfs: add a comment to inode_permission() 

Acked-by: J. Bruce Fields <bfields@redhat.com>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruen@kernel.org>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Andreas Gruenbacher 2011-10-23 23:13:33 +05:30 committed by root
parent d124b60a83
commit 948409c74d
1 changed files with 4 additions and 2 deletions
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6
fs/namei.c
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@ -221,7 +221,7 @@ static int check_acl(struct inode *inode, int mask)
}
/*
* This does basic POSIX ACL permission checking
* This does the basic permission checking
*/
static int acl_permission_check(struct inode *inode, int mask)
{
@ -271,7 +271,7 @@ int generic_permission(struct inode *inode, int mask)
int ret;
/*
* Do the basic POSIX ACL permission checks.
* Do the basic permission checks.
*/
ret = acl_permission_check(inode, mask);
if (ret != -EACCES)
@ -335,6 +335,8 @@ static inline int do_inode_permission(struct inode *inode, int mask)
* We use "fsuid" for this, letting us set arbitrary permissions
* for filesystem access without changing the "normal" uids which
* are used for other things.
*
* When checking for MAY_APPEND, MAY_WRITE must also be set in @mask.
*/
int inode_permission(struct inode *inode, int mask)
{