[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>

6 files changed, 26 insertions, 20 deletions

diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index 20c9b4f0e52f..c0a8c3b6a852 100644
--- a/fs/gfs2/incore.h
+++ b/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 */
diff --git a/fs/gfs2/ondisk.c b/fs/gfs2/ondisk.c
index 5db0737fcdb5..84c59b165b63 100644
--- a/fs/gfs2/ondisk.c
+++ b/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;
 
diff --git a/fs/gfs2/ops_super.c b/fs/gfs2/ops_super.c
index b47d9598c047..9c786d1e702d 100644
--- a/fs/gfs2/ops_super.c
+++ b/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))
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index 0faf563c83a9..0ef831727086 100644
--- a/fs/gfs2/super.c
+++ b/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 @@ out:
  * 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;
diff --git a/fs/gfs2/super.h b/fs/gfs2/super.h
index ac95064c1e5a..e590b2df11dc 100644
--- a/fs/gfs2/super.h
+++ b/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);
diff --git a/include/linux/gfs2_ondisk.h b/include/linux/gfs2_ondisk.h
index 431e03b85458..3ce3a47b720a 100644
--- a/include/linux/gfs2_ondisk.h
+++ b/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 */