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authorakpm@osdl.org <akpm@osdl.org>2006-01-09 23:51:56 -0500
committerLinus Torvalds <torvalds@g5.osdl.org>2006-01-10 11:01:29 -0500
commite0ad7b073eb7317e5afe0385b02dcb1d52a1eedf (patch)
treebd4a424efe77bfb94c74bb6e57dcf0a0ff998969 /fs/jfs/xattr.c
parent5be196e5f925dab2309530fabce69c2e562b9791 (diff)
[PATCH] move xattr permission checks into the VFS
) From: Christoph Hellwig <hch@lst.de> The xattr code has rather complex permission checks because the rules are very different for different attribute namespaces. This patch moves as much as we can into the generic code. Currently all the major disk based filesystems duplicate these checks, while many minor filesystems or network filesystems lack some or all of them. To do this we need defines for the extended attribute names in common code, I moved them up from JFS which had the nicest defintions. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Dave Kleikamp <shaggy@austin.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/jfs/xattr.c')
-rw-r--r--fs/jfs/xattr.c15
1 files changed, 0 insertions, 15 deletions
diff --git a/fs/jfs/xattr.c b/fs/jfs/xattr.c
index 23aa5066b5a4..9dde36a1eb5d 100644
--- a/fs/jfs/xattr.c
+++ b/fs/jfs/xattr.c
@@ -83,21 +83,6 @@ struct ea_buffer {
83#define EA_NEW 0x0004 83#define EA_NEW 0x0004
84#define EA_MALLOC 0x0008 84#define EA_MALLOC 0x0008
85 85
86/* Namespaces */
87#define XATTR_SYSTEM_PREFIX "system."
88#define XATTR_SYSTEM_PREFIX_LEN (sizeof (XATTR_SYSTEM_PREFIX) - 1)
89
90#define XATTR_USER_PREFIX "user."
91#define XATTR_USER_PREFIX_LEN (sizeof (XATTR_USER_PREFIX) - 1)
92
93#define XATTR_OS2_PREFIX "os2."
94#define XATTR_OS2_PREFIX_LEN (sizeof (XATTR_OS2_PREFIX) - 1)
95
96/* XATTR_SECURITY_PREFIX is defined in include/linux/xattr.h */
97#define XATTR_SECURITY_PREFIX_LEN (sizeof (XATTR_SECURITY_PREFIX) - 1)
98
99#define XATTR_TRUSTED_PREFIX "trusted."
100#define XATTR_TRUSTED_PREFIX_LEN (sizeof (XATTR_TRUSTED_PREFIX) - 1)
101 86
102/* 87/*
103 * These three routines are used to recognize on-disk extended attributes 88 * These three routines are used to recognize on-disk extended attributes