From: hch@lst.de
To: linux-fsdevel@vger.kernel.org, nfs@lists.sourceforge.net
Subject: [PATCH 04/19] ext2: new export ops
Date: Fri, 14 Sep 2007 13:48:14 +0200 [thread overview]
Message-ID: <20070914114814.GE28282@lst.de> (raw)
[-- Attachment #1: ext2-implement-fh_to_dentry --]
[-- Type: text/plain, Size: 1934 bytes --]
Trivial switch over to the new generic helpers.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Index: linux-2.6/fs/ext2/super.c
===================================================================
--- linux-2.6.orig/fs/ext2/super.c 2007-09-13 15:10:46.000000000 +0200
+++ linux-2.6/fs/ext2/super.c 2007-09-13 15:16:25.000000000 +0200
@@ -248,13 +248,10 @@ static const struct super_operations ext
#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);
@@ -275,15 +272,21 @@ static struct dentry *ext2_get_dentry(st
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!!
@@ -292,8 +295,9 @@ static struct dentry *ext2_get_dentry(st
* 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)
--
reply other threads:[~2007-09-14 11:48 UTC|newest]
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