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authorJan Kara <jack@suse.cz>2011-11-16 15:03:59 +0100
committerJan Kara <jack@suse.cz>2012-01-12 13:09:09 +0100
commit46fe44ce8777f087aa8ad4a2605fdcfb9c2d63af (patch)
treefd33eed190c800f77e41a817f697cd0957d28647 /include/linux/quota.h
parentext2: protect inode changes in the SETVERSION and SETFLAGS ioctls (diff)
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quota: Pass information that quota is stored in system file to userspace
Quota tools need to know whether quota is stored in a system file or in classical aquota.{user|group} files. So pass this information as a flag in GETINFO quotactl. Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'include/linux/quota.h')
-rw-r--r--include/linux/quota.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/include/linux/quota.h b/include/linux/quota.h
index cb7855699037..c09fa042b5ea 100644
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -230,7 +230,11 @@ struct mem_dqinfo {
struct super_block;
#define DQF_MASK 0xffff /* Mask for format specific flags */
-#define DQF_INFO_DIRTY_B 16
+#define DQF_GETINFO_MASK 0x1ffff /* Mask for flags passed to userspace */
+#define DQF_SETINFO_MASK 0xffff /* Mask for flags modifiable from userspace */
+#define DQF_SYS_FILE_B 16
+#define DQF_SYS_FILE (1 << DQF_SYS_FILE_B) /* Quota file stored as system file */
+#define DQF_INFO_DIRTY_B 31
#define DQF_INFO_DIRTY (1 << DQF_INFO_DIRTY_B) /* Is info dirty? */
extern void mark_info_dirty(struct super_block *sb, int type);