The patch titled
shmem: new export ops
has been added to the -mm tree. Its filename is
shmem-new-export-ops.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: shmem: new export ops
From: Christoph Hellwig <hch@xxxxxx>
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 <hch@xxxxxx>
Cc: Neil Brown <neilb@xxxxxxx>
Cc: "J. Bruce Fields" <bfields@xxxxxxxxxxxx>
Cc: Hugh Dickins <hugh@xxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/shmem.c | 35 +++++++++++++----------------------
1 files changed, 13 insertions(+), 22 deletions(-)
diff -puN mm/shmem.c~shmem-new-export-ops mm/shmem.c
--- a/mm/shmem.c~shmem-new-export-ops
+++ a/mm/shmem.c
@@ -2020,33 +2020,25 @@ static int shmem_match(struct inode *ino
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];
- inode = ilookup5(sb, (unsigned long)(inum+fh[0]), shmem_match, vfh);
+ if (fh_len < 3)
+ return NULL;
+
+ 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
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,
_
Patches currently in -mm which might be from hch@xxxxxx are
git-nfs.patch
git-nfsd.patch
partially-fix-up-the-lookup_one_noperm-mess.patch
optimize-x86-page-faults-like-all-other-achitectures-and-kill-notifier-cruft.patch
optimize-x86-page-faults-like-all-other-achitectures-and-kill-notifier-cruft-fix.patch
git-xfs.patch
sysv-convert-to-new-aops.patch
alpha-convert-to-generic-sys_ptrace.patch
kill-declare_mutex_locked.patch
remove-unneded-lock_kernel-in-driver-block-loopc.patch
ufs-move-non-layout-parts-of-ufs_fsh-to-fs-ufs.patch
fix-execute-checking-in-permission.patch
exec-remove-unnecessary-check-for-mnt_noexec.patch
fix-f_version-type-should-be-u64-instead-of-unsigned-long.patch
unprivileged-mounts-add-user-mounts-to-the-kernel.patch
unprivileged-mounts-allow-unprivileged-umount.patch
unprivileged-mounts-account-user-mounts.patch
unprivileged-mounts-propagate-error-values-from-clone_mnt.patch
unprivileged-mounts-allow-unprivileged-bind-mounts.patch
unprivileged-mounts-put-declaration-of-put_filesystem-in-fsh.patch
unprivileged-mounts-allow-unprivileged-mounts.patch
unprivileged-mounts-allow-unprivileged-fuse-mounts.patch
unprivileged-mounts-propagation-inherit-owner-from-parent.patch
unprivileged-mounts-add-no-submounts-flag.patch
revoke-special-mmap-handling.patch
revoke-core-code.patch
revoke-support-for-ext2-and-ext3.patch
revoke-add-documentation.patch
revoke-wire-up-i386-system-calls.patch
exportfs-add-fid-type.patch
exportfs-add-new-methods.patch
ext2-new-export-ops.patch
ext3-new-export-ops.patch
ext4-new-export-ops.patch
efs-new-export-ops.patch
jfs-new-export-ops.patch
ntfs-new-export-ops.patch
xfs-new-export-ops.patch
fat-new-export-ops.patch
isofs-new-export-ops.patch
shmem-new-export-ops.patch
reiserfs-new-export-ops.patch
gfs2-new-export-ops.patch
ocfs2-new-export-ops.patch
exportfs-remove-old-methods.patch
exportfs-make-struct-export_operations-const.patch
exportfs-update-documentation.patch
-
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