From: Dmitry Monakhov <dmonakhov@openvz.org>
To: linux-fsdevel@vger.kernel.org
Cc: viro@ZenIV.linux.org.uk, Dmitry Monakhov <dmonakhov@openvz.org>
Subject: [PATCH 01/19] vfs: Add inode uid,gid,mode init helper v2
Date: Thu, 4 Mar 2010 17:29:14 +0300 [thread overview]
Message-ID: <1267712954-9134-1-git-send-email-dmonakhov@openvz.org> (raw)
In-Reply-To: <1267712897-9088-1-git-send-email-dmonakhov@openvz.org>
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
---
fs/namei.c | 19 +++++++++++++++++++
include/linux/fs.h | 3 ++-
2 files changed, 21 insertions(+), 1 deletions(-)
diff --git a/fs/namei.c b/fs/namei.c
index 644cc66..ad1eb1c 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1391,6 +1391,25 @@ void unlock_rename(struct dentry *p1, struct dentry *p2)
mutex_unlock(&p1->d_inode->i_sb->s_vfs_rename_mutex);
}
}
+/**
+ * Init uid,gid,mode for new inode according to posix standards
+ * @inode: New inode
+ * @dir: Directory inode
+ * @mode: mode of the new inode
+ */
+void inode_init_owner(struct inode *inode, const struct inode *dir,
+ int mode)
+{
+ inode->i_uid = current_fsuid();
+ if (dir && dir->i_mode & S_ISGID) {
+ inode->i_gid = dir->i_gid;
+ if (S_ISDIR(mode))
+ mode |= S_ISGID;
+ } else
+ inode->i_gid = current_fsgid();
+ inode->i_mode = mode;
+}
+EXPORT_SYMBOL(inode_init_owner);
int vfs_create(struct inode *dir, struct dentry *dentry, int mode,
struct nameidata *nd)
diff --git a/include/linux/fs.h b/include/linux/fs.h
index cd32f1b..22e4b53 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1426,7 +1426,8 @@ extern void dentry_unhash(struct dentry *dentry);
* VFS file helper functions.
*/
extern int file_permission(struct file *, int);
-
+extern void inode_init_owner(struct inode *inode, const struct inode *dir,
+ int mode);
/*
* VFS FS_IOC_FIEMAP helper definitions.
*/
--
1.6.6
next prev parent reply other threads:[~2010-03-04 14:29 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-04 14:28 [PATCH 00/19] fs cleanup: remove duplicated code on inode init v2 Dmitry Monakhov
2010-03-04 14:29 ` Dmitry Monakhov [this message]
2010-03-04 14:30 ` [PATCH 02/19] 9p: replace inode uid,gid,mode initialization with helper function Dmitry Monakhov
2010-03-04 14:30 ` [PATCH 09/19] jfs: replace inode uid,gid,mode init with helper v2 Dmitry Monakhov
2010-03-04 14:31 ` [PATCH 03/19] bfs: replace inode uid,gid,mode initialization with helper function Dmitry Monakhov
2010-03-04 14:31 ` [PATCH 04/19] btrfs: " Dmitry Monakhov
2010-03-04 14:31 ` [PATCH 05/19] exofs: " Dmitry Monakhov
2010-03-04 14:31 ` [PATCH 06/19] ext2: replace inode uid,gid,mode init with helper v2 Dmitry Monakhov
2010-03-04 14:31 ` [PATCH 07/19] ext3: " Dmitry Monakhov
2010-03-04 14:31 ` [PATCH 08/19] ext4: " Dmitry Monakhov
2010-03-04 14:32 ` [PATCH 10/19] minix: replace inode uid,gid,mode init with helper Dmitry Monakhov
2010-03-04 14:32 ` [PATCH 11/19] nilfs2: replace inode uid,gid,mode initialization with helper function Dmitry Monakhov
2010-03-04 14:32 ` [PATCH 12/19] ocfs2: " Dmitry Monakhov
2010-03-04 14:32 ` [PATCH 13/19] omfs: " Dmitry Monakhov
2010-03-04 14:32 ` [PATCH 14/19] ramfs: " Dmitry Monakhov
2010-03-04 14:32 ` [PATCH 15/19] reiserfs: " Dmitry Monakhov
2010-03-04 14:32 ` [PATCH 16/19] sysv: " Dmitry Monakhov
2010-03-04 14:32 ` [PATCH 17/19] ubifs: " Dmitry Monakhov
2010-03-04 14:32 ` [PATCH 18/19] udf: replace inode uid,gid,mode init with helper v3 Dmitry Monakhov
2010-03-04 14:32 ` [PATCH 19/19] ufs: replace inode uid,gid,mode initialization with helper function Dmitry Monakhov
-- strict thread matches above, loose matches on Subject: below --
2010-02-17 18:29 [PATCH 00/19] fs cleanup: remove duplicated code on inode init Dmitry Monakhov
2010-02-17 18:34 ` [PATCH 01/19] vfs: Add inode uid,gid,mode initialization with helper function Dmitry Monakhov
2010-02-17 23:03 ` James Morris
2010-02-18 6:57 ` [PATCH 01/19] vfs: Add inode uid,gid,mode init helper v2 Dmitry Monakhov
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