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| author | Artem Bityutskiy <artem.bityutskiy@linux.intel.com> | 2012-06-06 18:56:56 +0300 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-07-14 16:32:45 +0400 |
| commit | a215fef7edfdcd8948037ceb3060b9ae7ebcef8b (patch) | |
| tree | a401d00f4df517a4dc495cf29f187d03d8342b66 /fs/affs | |
| parent | a837107439ea50116e59943556d6902c09e52772 (diff) | |
| download | lwn-a215fef7edfdcd8948037ceb3060b9ae7ebcef8b.tar.gz lwn-a215fef7edfdcd8948037ceb3060b9ae7ebcef8b.zip | |
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 <artem.bityutskiy@linux.intel.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/affs')
| -rw-r--r-- | fs/affs/affs.h | 1 | ||||
| -rw-r--r-- | 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 1fceb320d2f2..5a726e992245 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 da7498da80a6..0496cbbeda1b 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); |