From mboxrd@z Thu Jan 1 00:00:00 1970 From: Artem Bityutskiy Subject: [PATCH 6/7] affs: introduce VFS superblock object back-reference Date: Tue, 5 Jun 2012 14:28:14 +0300 Message-ID: <1338895695-10362-7-git-send-email-dedekind1@gmail.com> References: <1338895695-10362-1-git-send-email-dedekind1@gmail.com> Cc: Linux FS Maling List , Linux Kernel Maling List To: Al Viro Return-path: In-Reply-To: <1338895695-10362-1-git-send-email-dedekind1@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org From: Artem Bityutskiy 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 --- fs/affs/affs.h | 1 + fs/affs/super.c | 1 + 2 files changed, 2 insertions(+), 0 deletions(-) diff --git a/fs/affs/affs.h b/fs/affs/affs.h index b8af745..178d3a3 100644 --- a/fs/affs/affs.h +++ b/fs/affs/affs.h @@ -109,6 +109,7 @@ struct affs_sb_info { char s_volume[32]; /* Volume prefix for absolute symlinks. */ spinlock_t symlink_lock; /* protects the previous two */ struct mutex s_lock; /* protects the SB's buffer-head */ + 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 8674915..9acab34 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_lock); mutex_init(&sbi->s_bmlock); spin_lock_init(&sbi->symlink_lock); -- 1.7.7.6