The patch titled
gfs2: new export ops
has been added to the -mm tree. Its filename is
gfs2-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: gfs2: new export ops
From: Christoph Hellwig <hch@xxxxxx>
Convert gfs2 to the new ops. Uses a similar structure to the generic helpers,
but gfs2 has it's own file handle formats.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Cc: Neil Brown <neilb@xxxxxxx>
Cc: "J. Bruce Fields" <bfields@xxxxxxxxxxxx>
Cc: Steven Whitehouse <swhiteho@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/gfs2/ops_export.c | 81 +++++++++++++++++++++--------------------
1 files changed, 43 insertions(+), 38 deletions(-)
diff -puN fs/gfs2/ops_export.c~gfs2-new-export-ops fs/gfs2/ops_export.c
--- a/fs/gfs2/ops_export.c~gfs2-new-export-ops
+++ a/fs/gfs2/ops_export.c
@@ -31,40 +31,6 @@
#define GFS2_LARGE_FH_SIZE 8
#define GFS2_OLD_FH_SIZE 10
-static struct dentry *gfs2_decode_fh(struct super_block *sb,
- __u32 *p,
- int fh_len,
- int fh_type,
- int (*acceptable)(void *context,
- struct dentry *dentry),
- void *context)
-{
- __be32 *fh = (__force __be32 *)p;
- struct gfs2_inum_host inum, parent;
-
- memset(&parent, 0, sizeof(struct gfs2_inum));
-
- switch (fh_len) {
- case GFS2_LARGE_FH_SIZE:
- case GFS2_OLD_FH_SIZE:
- parent.no_formal_ino = ((u64)be32_to_cpu(fh[4])) << 32;
- parent.no_formal_ino |= be32_to_cpu(fh[5]);
- parent.no_addr = ((u64)be32_to_cpu(fh[6])) << 32;
- parent.no_addr |= be32_to_cpu(fh[7]);
- case GFS2_SMALL_FH_SIZE:
- inum.no_formal_ino = ((u64)be32_to_cpu(fh[0])) << 32;
- inum.no_formal_ino |= be32_to_cpu(fh[1]);
- inum.no_addr = ((u64)be32_to_cpu(fh[2])) << 32;
- inum.no_addr |= be32_to_cpu(fh[3]);
- break;
- default:
- return NULL;
- }
-
- return gfs2_export_ops.find_exported_dentry(sb, &inum, &parent,
- acceptable, context);
-}
-
static int gfs2_encode_fh(struct dentry *dentry, __u32 *p, int *len,
int connectable)
{
@@ -189,10 +155,10 @@ static struct dentry *gfs2_get_parent(st
return dentry;
}
-static struct dentry *gfs2_get_dentry(struct super_block *sb, void *inum_obj)
+static struct dentry *gfs2_get_dentry(struct super_block *sb,
+ struct gfs2_inum_host *inum)
{
struct gfs2_sbd *sdp = sb->s_fs_info;
- struct gfs2_inum_host *inum = inum_obj;
struct gfs2_holder i_gh, ri_gh, rgd_gh;
struct gfs2_rgrpd *rgd;
struct inode *inode;
@@ -289,11 +255,50 @@ fail:
return ERR_PTR(error);
}
+static struct dentry *gfs2_fh_to_dentry(struct super_block *sb, struct fid *fid,
+ int fh_len, int fh_type)
+{
+ struct gfs2_inum_host this;
+ __be32 *fh = (__force __be32 *)fid->raw;
+
+ switch (fh_type) {
+ case GFS2_SMALL_FH_SIZE:
+ case GFS2_LARGE_FH_SIZE:
+ case GFS2_OLD_FH_SIZE:
+ this.no_formal_ino = ((u64)be32_to_cpu(fh[0])) << 32;
+ this.no_formal_ino |= be32_to_cpu(fh[1]);
+ this.no_addr = ((u64)be32_to_cpu(fh[2])) << 32;
+ this.no_addr |= be32_to_cpu(fh[3]);
+ return gfs2_get_dentry(sb, &this);
+ default:
+ return NULL;
+ }
+}
+
+static struct dentry *gfs2_fh_to_parent(struct super_block *sb, struct fid *fid,
+ int fh_len, int fh_type)
+{
+ struct gfs2_inum_host parent;
+ __be32 *fh = (__force __be32 *)fid->raw;
+
+ switch (fh_type) {
+ case GFS2_LARGE_FH_SIZE:
+ case GFS2_OLD_FH_SIZE:
+ parent.no_formal_ino = ((u64)be32_to_cpu(fh[4])) << 32;
+ parent.no_formal_ino |= be32_to_cpu(fh[5]);
+ parent.no_addr = ((u64)be32_to_cpu(fh[6])) << 32;
+ parent.no_addr |= be32_to_cpu(fh[7]);
+ return gfs2_get_dentry(sb, &parent);
+ default:
+ return NULL;
+ }
+}
+
struct export_operations gfs2_export_ops = {
- .decode_fh = gfs2_decode_fh,
.encode_fh = gfs2_encode_fh,
+ .fh_to_dentry = gfs2_fh_to_dentry,
+ .fh_to_parent = gfs2_fh_to_parent,
.get_name = gfs2_get_name,
.get_parent = gfs2_get_parent,
- .get_dentry = gfs2_get_dentry,
};
_
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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