From a215fef7edfdcd8948037ceb3060b9ae7ebcef8b Mon Sep 17 00:00:00 2001 From: Artem Bityutskiy Date: Wed, 6 Jun 2012 18:56:56 +0300 Subject: [PATCH] affs: introduce VFS superblock object back-reference Add an 'sb' VFS superblock back-reference to the 'struct affs_sb_info' data structure - we will need to find the VFS superblock from a 'struct affs_sb_info' object in the next patch, so this change is jut a preparation. Signed-off-by: Artem Bityutskiy Signed-off-by: Al Viro --- fs/affs/affs.h | 1 + fs/affs/super.c | 1 + 2 files changed, 2 insertions(+) diff --git a/fs/affs/affs.h b/fs/affs/affs.h index 1fceb32..5a726e9 100644 --- a/fs/affs/affs.h +++ b/fs/affs/affs.h @@ -100,6 +100,7 @@ struct affs_sb_info { char *s_prefix; /* Prefix for volumes and assigns. */ char s_volume[32]; /* Volume prefix for absolute symlinks. */ spinlock_t symlink_lock; /* protects the previous two */ + struct super_block *sb; /* the VFS superblock object */ }; #define SF_INTL 0x0001 /* International filesystem. */ diff --git a/fs/affs/super.c b/fs/affs/super.c index da7498d..0496cbb 100644 --- a/fs/affs/super.c +++ b/fs/affs/super.c @@ -299,6 +299,7 @@ static int affs_fill_super(struct super_block *sb, void *data, int silent) return -ENOMEM; sb->s_fs_info = sbi; + sbi->sb = sb; mutex_init(&sbi->s_bmlock); spin_lock_init(&sbi->symlink_lock); -- 2.7.4