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authorArtem Bityutskiy <artem.bityutskiy@linux.intel.com>2012-06-06 18:56:56 +0300
committerAl Viro <viro@zeniv.linux.org.uk>2012-07-14 16:32:45 +0400
commita215fef7edfdcd8948037ceb3060b9ae7ebcef8b (patch)
treea401d00f4df517a4dc495cf29f187d03d8342b66 /fs/affs
parenta837107439ea50116e59943556d6902c09e52772 (diff)
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.h1
-rw-r--r--fs/affs/super.c1
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);