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authorJan Kara <jack@suse.cz>2007-10-17 02:29:31 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-17 11:42:56 -0400
commit8e8934695dfd1d5013555a74a9da706a2e301cb0 (patch)
treeedef65302982cbd3e18cf4ef3c88040939886e3a /include
parentfac8b209b1084bc85748bd54e13d00c1262b220f (diff)
quota: send messages via netlink
Implement sending of quota messages via netlink interface. The advantage is that in userspace we can better decide what to do with the message - for example display a dialogue in your X session or just write the message to the console. As a bonus, we can get rid of problems with console locking deep inside filesystem code once we remove the old printing mechanism. Signed-off-by: Jan Kara <jack@suse.cz> Cc: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/quota.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/include/linux/quota.h b/include/linux/quota.h
index 62439828395e..6e0393a5b2ea 100644
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -128,6 +128,37 @@ struct if_dqinfo {
128 __u32 dqi_valid; 128 __u32 dqi_valid;
129}; 129};
130 130
131/*
132 * Definitions for quota netlink interface
133 */
134#define QUOTA_NL_NOWARN 0
135#define QUOTA_NL_IHARDWARN 1 /* Inode hardlimit reached */
136#define QUOTA_NL_ISOFTLONGWARN 2 /* Inode grace time expired */
137#define QUOTA_NL_ISOFTWARN 3 /* Inode softlimit reached */
138#define QUOTA_NL_BHARDWARN 4 /* Block hardlimit reached */
139#define QUOTA_NL_BSOFTLONGWARN 5 /* Block grace time expired */
140#define QUOTA_NL_BSOFTWARN 6 /* Block softlimit reached */
141
142enum {
143 QUOTA_NL_C_UNSPEC,
144 QUOTA_NL_C_WARNING,
145 __QUOTA_NL_C_MAX,
146};
147#define QUOTA_NL_C_MAX (__QUOTA_NL_C_MAX - 1)
148
149enum {
150 QUOTA_NL_A_UNSPEC,
151 QUOTA_NL_A_QTYPE,
152 QUOTA_NL_A_EXCESS_ID,
153 QUOTA_NL_A_WARNING,
154 QUOTA_NL_A_DEV_MAJOR,
155 QUOTA_NL_A_DEV_MINOR,
156 QUOTA_NL_A_CAUSED_ID,
157 __QUOTA_NL_A_MAX,
158};
159#define QUOTA_NL_A_MAX (__QUOTA_NL_A_MAX - 1)
160
161
131#ifdef __KERNEL__ 162#ifdef __KERNEL__
132#include <linux/spinlock.h> 163#include <linux/spinlock.h>
133#include <linux/rwsem.h> 164#include <linux/rwsem.h>