[GFS2] split and annotate gfs2_statfs_change

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

fs/gfs2/incore.h

@@ -503,8 +503,8 @@ struct gfs2_sbd {
 
 	spinlock_t sd_statfs_spin;
 	struct mutex sd_statfs_mutex;
-	struct gfs2_statfs_change sd_statfs_master;
-	struct gfs2_statfs_change sd_statfs_local;
+	struct gfs2_statfs_change_host sd_statfs_master;
+	struct gfs2_statfs_change_host sd_statfs_local;
 	unsigned long sd_statfs_sync_time;
 
 	/* Resource group stuff */

fs/gfs2/ondisk.c

@@ -279,7 +279,7 @@ void gfs2_inum_range_out(const struct gfs2_inum_range_host *ir, void *buf)
 	str->ir_length = cpu_to_be64(ir->ir_length);
 }
 
-void gfs2_statfs_change_in(struct gfs2_statfs_change *sc, const void *buf)
+void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc, const void *buf)
 {
 	const struct gfs2_statfs_change *str = buf;
 
@@ -288,7 +288,7 @@ void gfs2_statfs_change_in(struct gfs2_statfs_change *sc, const void *buf)
 	sc->sc_dinodes = be64_to_cpu(str->sc_dinodes);
 }
 
-void gfs2_statfs_change_out(const struct gfs2_statfs_change *sc, void *buf)
+void gfs2_statfs_change_out(const struct gfs2_statfs_change_host *sc, void *buf)
 {
 	struct gfs2_statfs_change *str = buf;
 

fs/gfs2/ops_super.c

@@ -215,7 +215,7 @@ static int gfs2_statfs(struct dentry *dentry, struct kstatfs *buf)
 {
 	struct super_block *sb = dentry->d_inode->i_sb;
 	struct gfs2_sbd *sdp = sb->s_fs_info;
-	struct gfs2_statfs_change sc;
+	struct gfs2_statfs_change_host sc;
 	int error;
 
 	if (gfs2_tune_get(sdp, gt_statfs_slow))

fs/gfs2/super.c

@@ -587,9 +587,9 @@ int gfs2_make_fs_ro(struct gfs2_sbd *sdp)
 int gfs2_statfs_init(struct gfs2_sbd *sdp)
 {
 	struct gfs2_inode *m_ip = GFS2_I(sdp->sd_statfs_inode);
-	struct gfs2_statfs_change *m_sc = &sdp->sd_statfs_master;
+	struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master;
 	struct gfs2_inode *l_ip = GFS2_I(sdp->sd_sc_inode);
-	struct gfs2_statfs_change *l_sc = &sdp->sd_statfs_local;
+	struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local;
 	struct buffer_head *m_bh, *l_bh;
 	struct gfs2_holder gh;
 	int error;
@@ -634,7 +634,7 @@ void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free,
 			s64 dinodes)
 {
 	struct gfs2_inode *l_ip = GFS2_I(sdp->sd_sc_inode);
-	struct gfs2_statfs_change *l_sc = &sdp->sd_statfs_local;
+	struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local;
 	struct buffer_head *l_bh;
 	int error;
 
@@ -660,8 +660,8 @@ int gfs2_statfs_sync(struct gfs2_sbd *sdp)
 {
 	struct gfs2_inode *m_ip = GFS2_I(sdp->sd_statfs_inode);
 	struct gfs2_inode *l_ip = GFS2_I(sdp->sd_sc_inode);
-	struct gfs2_statfs_change *m_sc = &sdp->sd_statfs_master;
-	struct gfs2_statfs_change *l_sc = &sdp->sd_statfs_local;
+	struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master;
+	struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local;
 	struct gfs2_holder gh;
 	struct buffer_head *m_bh, *l_bh;
 	int error;
@@ -727,10 +727,10 @@ int gfs2_statfs_sync(struct gfs2_sbd *sdp)
  * Returns: errno
  */
 
-int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change *sc)
+int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc)
 {
-	struct gfs2_statfs_change *m_sc = &sdp->sd_statfs_master;
-	struct gfs2_statfs_change *l_sc = &sdp->sd_statfs_local;
+	struct gfs2_statfs_change_host *m_sc = &sdp->sd_statfs_master;
+	struct gfs2_statfs_change_host *l_sc = &sdp->sd_statfs_local;
 
 	spin_lock(&sdp->sd_statfs_spin);
 
@@ -760,7 +760,7 @@ int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change *sc)
  */
 
 static int statfs_slow_fill(struct gfs2_rgrpd *rgd,
-			    struct gfs2_statfs_change *sc)
+			    struct gfs2_statfs_change_host *sc)
 {
 	gfs2_rgrp_verify(rgd);
 	sc->sc_total += rgd->rd_ri.ri_data;
@@ -782,7 +782,7 @@ static int statfs_slow_fill(struct gfs2_rgrpd *rgd,
  * Returns: errno
  */
 
-int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change *sc)
+int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc)
 {
 	struct gfs2_holder ri_gh;
 	struct gfs2_rgrpd *rgd_next;
@@ -792,7 +792,7 @@ int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change *sc)
 	int done;
 	int error = 0, err;
 
-	memset(sc, 0, sizeof(struct gfs2_statfs_change));
+	memset(sc, 0, sizeof(struct gfs2_statfs_change_host));
 	gha = kcalloc(slots, sizeof(struct gfs2_holder), GFP_KERNEL);
 	if (!gha)
 		return -ENOMEM;

fs/gfs2/super.h

@@ -45,8 +45,8 @@ int gfs2_statfs_init(struct gfs2_sbd *sdp);
 void gfs2_statfs_change(struct gfs2_sbd *sdp,
 			s64 total, s64 free, s64 dinodes);
 int gfs2_statfs_sync(struct gfs2_sbd *sdp);
-int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change *sc);
-int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change *sc);
+int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc);
+int gfs2_statfs_slow(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *sc);
 
 int gfs2_freeze_fs(struct gfs2_sbd *sdp);
 void gfs2_unfreeze_fs(struct gfs2_sbd *sdp);

include/linux/gfs2_ondisk.h

@@ -497,6 +497,12 @@ struct gfs2_statfs_change {
 	__be64 sc_dinodes;
 };
 
+struct gfs2_statfs_change_host {
+	__u64 sc_total;
+	__u64 sc_free;
+	__u64 sc_dinodes;
+};
+
 /*
  * Quota change
  * Describes an allocation change for a particular
@@ -529,8 +535,8 @@ extern void gfs2_ea_header_out(const struct gfs2_ea_header *ea, void *buf);
 extern void gfs2_log_header_in(struct gfs2_log_header_host *lh, const void *buf);
 extern void gfs2_inum_range_in(struct gfs2_inum_range_host *ir, const void *buf);
 extern void gfs2_inum_range_out(const struct gfs2_inum_range_host *ir, void *buf);
-extern void gfs2_statfs_change_in(struct gfs2_statfs_change *sc, const void *buf);
-extern void gfs2_statfs_change_out(const struct gfs2_statfs_change *sc, void *buf);
+extern void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc, const void *buf);
+extern void gfs2_statfs_change_out(const struct gfs2_statfs_change_host *sc, void *buf);
 extern void gfs2_quota_change_in(struct gfs2_quota_change *qc, const void *buf);
 
 /* Printing functions */