Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=480b116c98344ca246f50aade6eb7aca98151a2f
Commit: 480b116c98344ca246f50aade6eb7aca98151a2f
Parent: 905251a02eeccc59f8e1d743679b8edadc5f738b
Author: Christoph Hellwig <[EMAIL PROTECTED]>
AuthorDate: Sun Oct 21 16:42:13 2007 -0700
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Mon Oct 22 08:13:20 2007 -0700
shmem: new export ops
I'm not sure what people were thinking when adding support to export tmpfs,
but here's the conversion anyway:
Signed-off-by: Christoph Hellwig <[EMAIL PROTECTED]>
Cc: Neil Brown <[EMAIL PROTECTED]>
Cc: "J. Bruce Fields" <[EMAIL PROTECTED]>
Cc: Hugh Dickins <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
mm/shmem.c | 35 +++++++++++++----------------------
1 files changed, 13 insertions(+), 22 deletions(-)
diff --git a/mm/shmem.c b/mm/shmem.c
index 289dbb0..9dd219e 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2020,33 +2020,25 @@ static int shmem_match(struct inode *ino, void *vfh)
return ino->i_ino == inum && fh[0] == ino->i_generation;
}
-static struct dentry *shmem_get_dentry(struct super_block *sb, void *vfh)
+static struct dentry *shmem_fh_to_dentry(struct super_block *sb,
+ struct fid *fid, int fh_len, int fh_type)
{
- struct dentry *de = NULL;
struct inode *inode;
- __u32 *fh = vfh;
- __u64 inum = fh[2];
- inum = (inum << 32) | fh[1];
+ struct dentry *dentry = NULL;
+ u64 inum = fid->raw[2];
+ inum = (inum << 32) | fid->raw[1];
+
+ if (fh_len < 3)
+ return NULL;
- inode = ilookup5(sb, (unsigned long)(inum+fh[0]), shmem_match, vfh);
+ inode = ilookup5(sb, (unsigned long)(inum + fid->raw[0]),
+ shmem_match, fid->raw);
if (inode) {
- de = d_find_alias(inode);
+ dentry = d_find_alias(inode);
iput(inode);
}
- return de? de: ERR_PTR(-ESTALE);
-}
-
-static struct dentry *shmem_decode_fh(struct super_block *sb, __u32 *fh,
- int len, int type,
- int (*acceptable)(void *context, struct dentry *de),
- void *context)
-{
- if (len < 3)
- return ERR_PTR(-ESTALE);
-
- return sb->s_export_op->find_exported_dentry(sb, fh, NULL, acceptable,
- context);
+ return dentry;
}
static int shmem_encode_fh(struct dentry *dentry, __u32 *fh, int *len,
@@ -2081,9 +2073,8 @@ static int shmem_encode_fh(struct dentry *dentry, __u32
*fh, int *len,
static struct export_operations shmem_export_ops = {
.get_parent = shmem_get_parent,
- .get_dentry = shmem_get_dentry,
.encode_fh = shmem_encode_fh,
- .decode_fh = shmem_decode_fh,
+ .fh_to_dentry = shmem_fh_to_dentry,
};
static int shmem_parse_options(char *options, int *mode, uid_t *uid,
-
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