From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
To: agruen@kernel.org, bfields@fieldses.org,
akpm@linux-foundation.org, dhowells@redhat.com
Cc: aneesh.kumar@linux.vnet.ibm.com, linux-fsdevel@vger.kernel.org,
linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH -V6 04/26] vfs: Add a comment to inode_permission()
Date: Mon, 5 Sep 2011 22:55:26 +0530 [thread overview]
Message-ID: <1315243548-18664-5-git-send-email-aneesh.kumar@linux.vnet.ibm.com> (raw)
In-Reply-To: <1315243548-18664-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com>
From: Andreas Gruenbacher <agruen@kernel.org>
Signed-off-by: Andreas Gruenbacher <agruen@kernel.org>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
---
fs/namei.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/fs/namei.c b/fs/namei.c
index f34a4d4..23bc030 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -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)
{
--
1.7.4.1
next prev parent reply other threads:[~2011-09-05 17:27 UTC|newest]
Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-05 17:25 [PATCH -V6 00/26] New ACL format for better NFSv4 acl interoperability Aneesh Kumar K.V
2011-09-05 17:25 ` [PATCH -V6 01/26] vfs: Indicate that the permission functions take all the MAY_* flags Aneesh Kumar K.V
2011-09-05 17:25 ` [PATCH -V6 02/26] vfs: Add hex format for MAY_* flag values Aneesh Kumar K.V
2011-09-05 17:25 ` [PATCH -V6 03/26] vfs: Pass all mask flags down to iop->check_acl Aneesh Kumar K.V
2011-09-05 17:25 ` Aneesh Kumar K.V [this message]
2011-09-05 17:25 ` [PATCH -V6 05/26] vfs: Add generic IS_ACL() test for acl support Aneesh Kumar K.V
2011-09-05 17:25 ` [PATCH -V6 06/26] vfs: Add IS_RICHACL() test for richacl support Aneesh Kumar K.V
2011-09-05 17:25 ` [PATCH -V6 07/26] vfs: Optimize out IS_RICHACL() if CONFIG_FS_RICHACL is not defined Aneesh Kumar K.V
2011-09-05 17:25 ` [PATCH -V6 08/26] vfs: Add new file and directory create permission flags Aneesh Kumar K.V
2011-09-05 17:25 ` [PATCH -V6 09/26] vfs: Add delete child and delete self " Aneesh Kumar K.V
2011-09-07 20:39 ` J. Bruce Fields
2011-09-08 9:30 ` Aneesh Kumar K.V
2011-09-08 20:07 ` J. Bruce Fields
2011-09-08 22:02 ` J. Bruce Fields
2011-09-09 5:19 ` Aneesh Kumar K.V
2011-09-09 5:25 ` Aneesh Kumar K.V
2011-09-09 12:02 ` J. Bruce Fields
2011-09-09 5:14 ` Aneesh Kumar K.V
2011-09-05 17:25 ` [PATCH -V6 10/26] vfs: Make the inode passed to inode_change_ok non-const Aneesh Kumar K.V
2011-09-07 20:43 ` J. Bruce Fields
2011-09-08 9:32 ` Aneesh Kumar K.V
2011-09-05 17:25 ` [PATCH -V6 11/26] vfs: Add permission flags for setting file attributes Aneesh Kumar K.V
2011-09-07 20:55 ` J. Bruce Fields
2011-09-08 9:36 ` Aneesh Kumar K.V
2011-09-08 20:08 ` J. Bruce Fields
2011-09-05 17:25 ` [PATCH -V6 12/26] vfs: Make acl_permission_check() work for richacls Aneesh Kumar K.V
2011-09-05 17:25 ` [PATCH -V6 13/26] richacl: In-memory representation and helper functions Aneesh Kumar K.V
2011-09-05 17:25 ` [PATCH -V6 14/26] richacl: Permission mapping functions Aneesh Kumar K.V
2011-09-07 21:24 ` J. Bruce Fields
2011-09-08 10:27 ` Aneesh Kumar K.V
2011-09-05 17:25 ` [PATCH -V6 15/26] richacl: Compute maximum file masks from an acl Aneesh Kumar K.V
2011-09-05 17:25 ` [PATCH -V6 16/26] richacl: Update the file masks in chmod() Aneesh Kumar K.V
2011-09-05 17:25 ` [PATCH -V6 17/26] richacl: Permission check algorithm Aneesh Kumar K.V
2011-09-07 21:50 ` J. Bruce Fields
2011-09-08 10:34 ` Aneesh Kumar K.V
2011-09-05 17:25 ` [PATCH -V6 18/26] richacl: Create-time inheritance Aneesh Kumar K.V
2011-09-05 17:25 ` [PATCH -V6 19/26] richacl: Check if an acl is equivalent to a file mode Aneesh Kumar K.V
2011-09-05 17:25 ` [PATCH -V6 20/26] richacl: Automatic Inheritance Aneesh Kumar K.V
2011-09-07 21:56 ` J. Bruce Fields
2011-09-05 17:25 ` [PATCH -V6 21/26] richacl: xattr mapping functions Aneesh Kumar K.V
2011-09-05 17:25 ` [PATCH -V6 22/26] vfs: Cache richacl in struct inode Aneesh Kumar K.V
2011-09-05 17:25 ` [PATCH -V6 23/26] vfs: Add richacl permission check Aneesh Kumar K.V
2011-09-05 17:25 ` [PATCH -V6 24/26] ext4: Use IS_POSIXACL() to check for POSIX ACL support Aneesh Kumar K.V
2011-09-05 17:25 ` [PATCH -V6 25/26] ext4: Implement rich acl for ext4 Aneesh Kumar K.V
2011-09-05 17:25 ` [PATCH -V6 26/26] ext4: Add temporary richacl mount option " Aneesh Kumar K.V
2011-09-05 22:42 ` [PATCH -V6 00/26] New ACL format for better NFSv4 acl interoperability Casey Schaufler
2011-09-08 0:46 ` Valdis.Kletnieks
2011-09-12 21:34 ` Casey Schaufler
2011-09-12 22:20 ` J. Bruce Fields
2011-09-12 22:38 ` Casey Schaufler
2011-09-12 22:43 ` J. Bruce Fields
2011-09-12 23:23 ` Casey Schaufler
2011-09-12 23:53 ` J. Bruce Fields
2011-09-13 4:41 ` Aneesh Kumar K.V
2011-09-13 18:12 ` Valdis.Kletnieks
2011-09-06 9:41 ` Steven Whitehouse
2011-09-06 13:58 ` Aneesh Kumar K.V
2011-09-07 20:18 ` J. Bruce Fields
2011-09-07 23:44 ` J. Bruce Fields
2011-09-08 10:40 ` Aneesh Kumar K.V
2011-09-09 10:02 ` [PATCH -V6 08/26] vfs: Add new file and directory create permission flags David Howells
2011-09-09 11:59 ` Aneesh Kumar K.V
2011-09-09 10:12 ` [PATCH -V6 09/26] vfs: Add delete child and delete self " David Howells
2011-09-09 11:55 ` Aneesh Kumar K.V
2011-09-09 10:36 ` [PATCH -V6 14/26] richacl: Permission mapping functions David Howells
2011-09-09 11:54 ` Aneesh Kumar K.V
2011-09-09 12:14 ` [PATCH -V6 18/26] richacl: Create-time inheritance David Howells
2011-09-09 12:37 ` [PATCH -V6 22/26] vfs: Cache richacl in struct inode David Howells
2011-09-09 12:45 ` [PATCH -V6 25/26] ext4: Implement rich acl for ext4 David Howells
2011-09-13 4:25 ` Aneesh Kumar K.V
2011-09-09 12:48 ` [PATCH -V6 00/26] New ACL format for better NFSv4 acl interoperability David Howells
2011-09-09 14:03 ` David Howells
2011-09-12 22:23 ` J. Bruce Fields
2011-09-12 22:27 ` David Howells
2011-09-13 5:07 ` Aneesh Kumar K.V
2011-09-21 7:30 ` Aneesh Kumar K.V
2011-09-21 19:45 ` J. Bruce Fields
2011-09-22 5:31 ` Aneesh Kumar K.V
2011-09-22 12:01 ` J. Bruce Fields
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