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authorChristoph Hellwig <hch@lst.de>2007-10-21 16:42:09 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-22 08:13:20 -0700
commit05da08048226cefd2ecc5fe925002d3cf849c7dd (patch)
tree968242a6581c1e0ecb933f8b8b374667fed600fe
parent1b961ac05a1624ac2883ec31a3601de7eb30ebdd (diff)
downloadop-kernel-dev-05da08048226cefd2ecc5fe925002d3cf849c7dd.zip
op-kernel-dev-05da08048226cefd2ecc5fe925002d3cf849c7dd.tar.gz
efs: new export ops
Trivial switch over to the new generic helpers. Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Neil Brown <neilb@suse.de> Cc: "J. Bruce Fields" <bfields@fieldses.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--fs/efs/namei.c36
-rw-r--r--fs/efs/super.c3
-rw-r--r--include/linux/efs_fs.h6
3 files changed, 27 insertions, 18 deletions
diff --git a/fs/efs/namei.c b/fs/efs/namei.c
index 5276b19..f7f4070 100644
--- a/fs/efs/namei.c
+++ b/fs/efs/namei.c
@@ -10,6 +10,8 @@
#include <linux/string.h>
#include <linux/efs_fs.h>
#include <linux/smp_lock.h>
+#include <linux/exportfs.h>
+
static efs_ino_t efs_find_entry(struct inode *inode, const char *name, int len) {
struct buffer_head *bh;
@@ -75,13 +77,10 @@ struct dentry *efs_lookup(struct inode *dir, struct dentry *dentry, struct namei
return NULL;
}
-struct dentry *efs_get_dentry(struct super_block *sb, void *vobjp)
+static struct inode *efs_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 == 0)
return ERR_PTR(-ESTALE);
@@ -91,20 +90,25 @@ struct dentry *efs_get_dentry(struct super_block *sb, void *vobjp)
if (is_bad_inode(inode) ||
(generation && inode->i_generation != generation)) {
- result = ERR_PTR(-ESTALE);
- goto out_iput;
+ iput(inode);
+ return ERR_PTR(-ESTALE);
}
- result = d_alloc_anon(inode);
- if (!result) {
- result = ERR_PTR(-ENOMEM);
- goto out_iput;
- }
- return result;
+ return inode;
+}
- out_iput:
- iput(inode);
- return result;
+struct dentry *efs_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,
+ efs_nfs_get_inode);
+}
+
+struct dentry *efs_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,
+ efs_nfs_get_inode);
}
struct dentry *efs_get_parent(struct dentry *child)
diff --git a/fs/efs/super.c b/fs/efs/super.c
index 25d0326..d8ce21b 100644
--- a/fs/efs/super.c
+++ b/fs/efs/super.c
@@ -114,7 +114,8 @@ static const struct super_operations efs_superblock_operations = {
};
static struct export_operations efs_export_ops = {
- .get_dentry = efs_get_dentry,
+ .fh_to_dentry = efs_fh_to_dentry,
+ .fh_to_parent = efs_fh_to_parent,
.get_parent = efs_get_parent,
};
diff --git a/include/linux/efs_fs.h b/include/linux/efs_fs.h
index 16cb25c..dd57fe5 100644
--- a/include/linux/efs_fs.h
+++ b/include/linux/efs_fs.h
@@ -35,6 +35,7 @@ static inline struct efs_sb_info *SUPER_INFO(struct super_block *sb)
}
struct statfs;
+struct fid;
extern const struct inode_operations efs_dir_inode_operations;
extern const struct file_operations efs_dir_operations;
@@ -45,7 +46,10 @@ extern efs_block_t efs_map_block(struct inode *, efs_block_t);
extern int efs_get_block(struct inode *, sector_t, struct buffer_head *, int);
extern struct dentry *efs_lookup(struct inode *, struct dentry *, struct nameidata *);
-extern struct dentry *efs_get_dentry(struct super_block *sb, void *vobjp);
+extern struct dentry *efs_fh_to_dentry(struct super_block *sb, struct fid *fid,
+ int fh_len, int fh_type);
+extern struct dentry *efs_fh_to_parent(struct super_block *sb, struct fid *fid,
+ int fh_len, int fh_type);
extern struct dentry *efs_get_parent(struct dentry *);
extern int efs_bmap(struct inode *, int);
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