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Subject[PATCH 11/30] GFS2: Hook gfs2_quota_sync into VFS via gfs2_quotactl_ops
Date
The plan is to add further operations to the gfs2_quotactl_ops
in future patches. The sync operation is easy, so we start with
that one.

We plan to use the XFS quota control functions because they more
closely match the GFS2 ones.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
---
fs/gfs2/Kconfig | 2 ++
fs/gfs2/ops_fstype.c | 3 +++
fs/gfs2/quota.c | 4 ++++
fs/gfs2/quota.h | 1 +
4 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/fs/gfs2/Kconfig b/fs/gfs2/Kconfig
index 5971359..4dcddf8 100644
--- a/fs/gfs2/Kconfig
+++ b/fs/gfs2/Kconfig
@@ -8,6 +8,8 @@ config GFS2_FS
select FS_POSIX_ACL
select CRC32
select SLOW_WORK
+ select QUOTA
+ select QUOTACTL
help
A cluster filesystem.

diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index e5ee062..36b11cb 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -18,6 +18,7 @@
#include <linux/mount.h>
#include <linux/gfs2_ondisk.h>
#include <linux/slow-work.h>
+#include <linux/quotaops.h>

#include "gfs2.h"
#include "incore.h"
@@ -1138,6 +1139,8 @@ static int fill_super(struct super_block *sb, struct gfs2_args *args, int silent
sb->s_op = &gfs2_super_ops;
sb->s_export_op = &gfs2_export_ops;
sb->s_xattr = gfs2_xattr_handlers;
+ sb->s_qcop = &gfs2_quotactl_ops;
+ sb_dqopt(sb)->flags |= DQUOT_QUOTA_SYS_FILE;
sb->s_time_gran = 1;
sb->s_maxbytes = MAX_LFS_FILESIZE;

diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index ed9e197..73a43ce 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -1378,3 +1378,7 @@ int gfs2_quotad(void *data)
return 0;
}

+const struct quotactl_ops gfs2_quotactl_ops = {
+ .quota_sync = gfs2_quota_sync,
+};
+
diff --git a/fs/gfs2/quota.h b/fs/gfs2/quota.h
index 437afa7..025d15b 100644
--- a/fs/gfs2/quota.h
+++ b/fs/gfs2/quota.h
@@ -50,5 +50,6 @@ static inline int gfs2_quota_lock_check(struct gfs2_inode *ip)
}

extern int gfs2_shrink_qd_memory(int nr, gfp_t gfp_mask);
+extern const struct quotactl_ops gfs2_quotactl_ops;

#endif /* __QUOTA_DOT_H__ */
--
1.6.2.5


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