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quota: Pass information that quota is stored in system file to userspace

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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>
This commit is contained in:
Jan Kara
2011-11-16 15:03:59 +01:00
parent 34b0784056
commit 46fe44ce87
2 changed files with 10 additions and 4 deletions
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include/linux/quota.h
+5 -1
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@@ -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);