From 2e4c68e30352bc0018999c3e631e4363ce428424 Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Sun, 21 Oct 2007 16:42:07 -0700 Subject: ext2: new export ops Trivial switch over to the new generic helpers. Signed-off-by: Christoph Hellwig Cc: Neil Brown Cc: "J. Bruce Fields" Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/ext2/super.c | 34 +++++++++++++++++++--------------- 1 file changed, 19 insertions(+), 15 deletions(-) (limited to 'fs/ext2/super.c') diff --git a/fs/ext2/super.c b/fs/ext2/super.c index 77bd5f9262f9..4a03d0c84df2 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -311,13 +311,10 @@ static const struct super_operations ext2_sops = { #endif }; -static struct dentry *ext2_get_dentry(struct super_block *sb, void *vobjp) +static struct inode *ext2_nfs_get_inode(struct super_block *sb, + u64 ino, u32 generation) { - __u32 *objp = vobjp; - unsigned long ino = objp[0]; - __u32 generation = objp[1]; struct inode *inode; - struct dentry *result; if (ino < EXT2_FIRST_INO(sb) && ino != EXT2_ROOT_INO) return ERR_PTR(-ESTALE); @@ -338,15 +335,21 @@ static struct dentry *ext2_get_dentry(struct super_block *sb, void *vobjp) iput(inode); return ERR_PTR(-ESTALE); } - /* now to find a dentry. - * If possible, get a well-connected one - */ - result = d_alloc_anon(inode); - if (!result) { - iput(inode); - return ERR_PTR(-ENOMEM); - } - return result; + return inode; +} + +static struct dentry *ext2_fh_to_dentry(struct super_block *sb, struct fid *fid, + int fh_len, int fh_type) +{ + return generic_fh_to_dentry(sb, fid, fh_len, fh_type, + ext2_nfs_get_inode); +} + +static struct dentry *ext2_fh_to_parent(struct super_block *sb, struct fid *fid, + int fh_len, int fh_type) +{ + return generic_fh_to_parent(sb, fid, fh_len, fh_type, + ext2_nfs_get_inode); } /* Yes, most of these are left as NULL!! @@ -355,8 +358,9 @@ static struct dentry *ext2_get_dentry(struct super_block *sb, void *vobjp) * Currently only get_parent is required. */ static struct export_operations ext2_export_ops = { + .fh_to_dentry = ext2_fh_to_dentry, + .fh_to_parent = ext2_fh_to_parent, .get_parent = ext2_get_parent, - .get_dentry = ext2_get_dentry, }; static unsigned long get_sb_block(void **data) -- cgit v1.2.3