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-rw-r--r--fs/nilfs2/super.c42
1 files changed, 29 insertions, 13 deletions
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 0030640e2d7..0994f6a76c0 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -47,7 +47,6 @@
#include <linux/crc32.h>
#include <linux/vfs.h>
#include <linux/writeback.h>
-#include <linux/kobject.h>
#include <linux/seq_file.h>
#include <linux/mount.h>
#include "nilfs.h"
@@ -111,12 +110,17 @@ void nilfs_error(struct super_block *sb, const char *function,
const char *fmt, ...)
{
struct nilfs_sb_info *sbi = NILFS_SB(sb);
+ struct va_format vaf;
va_list args;
va_start(args, fmt);
- printk(KERN_CRIT "NILFS error (device %s): %s: ", sb->s_id, function);
- vprintk(fmt, args);
- printk("\n");
+
+ vaf.fmt = fmt;
+ vaf.va = &args;
+
+ printk(KERN_CRIT "NILFS error (device %s): %s: %pV\n",
+ sb->s_id, function, &vaf);
+
va_end(args);
if (!(sb->s_flags & MS_RDONLY)) {
@@ -136,13 +140,17 @@ void nilfs_error(struct super_block *sb, const char *function,
void nilfs_warning(struct super_block *sb, const char *function,
const char *fmt, ...)
{
+ struct va_format vaf;
va_list args;
va_start(args, fmt);
- printk(KERN_WARNING "NILFS warning (device %s): %s: ",
- sb->s_id, function);
- vprintk(fmt, args);
- printk("\n");
+
+ vaf.fmt = fmt;
+ vaf.va = &args;
+
+ printk(KERN_WARNING "NILFS warning (device %s): %s: %pV\n",
+ sb->s_id, function, &vaf);
+
va_end(args);
}
@@ -162,10 +170,13 @@ struct inode *nilfs_alloc_inode(struct super_block *sb)
return &ii->vfs_inode;
}
-void nilfs_destroy_inode(struct inode *inode)
+static void nilfs_i_callback(struct rcu_head *head)
{
+ struct inode *inode = container_of(head, struct inode, i_rcu);
struct nilfs_mdt_info *mdi = NILFS_MDT(inode);
+ INIT_LIST_HEAD(&inode->i_dentry);
+
if (mdi) {
kfree(mdi->mi_bgl); /* kfree(NULL) is safe */
kfree(mdi);
@@ -173,6 +184,11 @@ void nilfs_destroy_inode(struct inode *inode)
kmem_cache_free(nilfs_inode_cachep, NILFS_I(inode));
}
+void nilfs_destroy_inode(struct inode *inode)
+{
+ call_rcu(&inode->i_rcu, nilfs_i_callback);
+}
+
static int nilfs_sync_super(struct nilfs_sb_info *sbi, int flag)
{
struct the_nilfs *nilfs = sbi->s_nilfs;
@@ -838,7 +854,7 @@ static int nilfs_attach_snapshot(struct super_block *s, __u64 cno,
static int nilfs_tree_was_touched(struct dentry *root_dentry)
{
- return atomic_read(&root_dentry->d_count) > 1;
+ return root_dentry->d_count > 1;
}
/**
@@ -1002,11 +1018,11 @@ static int nilfs_remount(struct super_block *sb, int *flags, char *data)
struct nilfs_sb_info *sbi = NILFS_SB(sb);
struct the_nilfs *nilfs = sbi->s_nilfs;
unsigned long old_sb_flags;
- struct nilfs_mount_options old_opts;
+ unsigned long old_mount_opt;
int err;
old_sb_flags = sb->s_flags;
- old_opts.mount_opt = sbi->s_mount_opt;
+ old_mount_opt = sbi->s_mount_opt;
if (!parse_options(data, sb, 1)) {
err = -EINVAL;
@@ -1075,7 +1091,7 @@ static int nilfs_remount(struct super_block *sb, int *flags, char *data)
restore_opts:
sb->s_flags = old_sb_flags;
- sbi->s_mount_opt = old_opts.mount_opt;
+ sbi->s_mount_opt = old_mount_opt;
return err;
}