The patch titled ntfs: new export ops has been removed from the -mm tree. Its filename was ntfs-new-export-ops.patch This patch was dropped because it was merged into mainline or a subsystem tree ------------------------------------------------------ Subject: ntfs: new export ops From: Christoph Hellwig <hch@xxxxxx> Trivial switch over to the new generic helpers. Signed-off-by: Christoph Hellwig <hch@xxxxxx> Cc: Neil Brown <neilb@xxxxxxx> Cc: "J. Bruce Fields" <bfields@xxxxxxxxxxxx> Cc: Anton Altaparmakov <aia21@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- fs/ntfs/namei.c | 77 +++++++++++++++++----------------------------- 1 file changed, 29 insertions(+), 48 deletions(-) diff -puN fs/ntfs/namei.c~ntfs-new-export-ops fs/ntfs/namei.c --- a/fs/ntfs/namei.c~ntfs-new-export-ops +++ a/fs/ntfs/namei.c @@ -450,58 +450,40 @@ try_next: return parent_dent; } -/** - * ntfs_get_dentry - find a dentry for the inode from a file handle sub-fragment - * @sb: super block identifying the mounted ntfs volume - * @fh: the file handle sub-fragment - * - * Find a dentry for the inode given a file handle sub-fragment. This function - * is called from fs/exportfs/expfs.c::find_exported_dentry() which in turn is - * called from the default ->decode_fh() which is export_decode_fh() in the - * same file. The code is closely based on the default ->get_dentry() helper - * fs/exportfs/expfs.c::get_object(). - * - * The @fh contains two 32-bit unsigned values, the first one is the inode - * number and the second one is the inode generation. - * - * Return the dentry on success or the error code on error (IS_ERR() is true). - */ -static struct dentry *ntfs_get_dentry(struct super_block *sb, void *fh) +static struct inode *ntfs_nfs_get_inode(struct super_block *sb, + u64 ino, u32 generation) { - struct inode *vi; - struct dentry *dent; - unsigned long ino = ((u32 *)fh)[0]; - u32 gen = ((u32 *)fh)[1]; - - ntfs_debug("Entering for inode 0x%lx, generation 0x%x.", ino, gen); - vi = ntfs_iget(sb, ino); - if (IS_ERR(vi)) { - ntfs_error(sb, "Failed to get inode 0x%lx.", ino); - return (struct dentry *)vi; - } - if (unlikely(is_bad_inode(vi) || vi->i_generation != gen)) { - /* We didn't find the right inode. */ - ntfs_error(sb, "Inode 0x%lx, bad count: %d %d or version 0x%x " - "0x%x.", vi->i_ino, vi->i_nlink, - atomic_read(&vi->i_count), vi->i_generation, - gen); - iput(vi); - return ERR_PTR(-ESTALE); - } - /* Now find a dentry. If possible, get a well-connected one. */ - dent = d_alloc_anon(vi); - if (unlikely(!dent)) { - iput(vi); - return ERR_PTR(-ENOMEM); + struct inode *inode; + + inode = ntfs_iget(sb, ino); + if (!IS_ERR(inode)) { + if (is_bad_inode(inode) || inode->i_generation != generation) { + iput(inode); + inode = ERR_PTR(-ESTALE); + } } - ntfs_debug("Done for inode 0x%lx, generation 0x%x.", ino, gen); - return dent; + + return inode; +} + +static struct dentry *ntfs_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, + ntfs_nfs_get_inode); +} + +static struct dentry *ntfs_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, + ntfs_nfs_get_inode); } /** * Export operations allowing NFS exporting of mounted NTFS partitions. * - * We use the default ->decode_fh() and ->encode_fh() for now. Note that they + * We use the default ->encode_fh() for now. Note that they * use 32 bits to store the inode number which is an unsigned long so on 64-bit * architectures is usually 64 bits so it would all fail horribly on huge * volumes. I guess we need to define our own encode and decode fh functions @@ -520,7 +502,6 @@ static struct dentry *ntfs_get_dentry(st struct export_operations ntfs_export_ops = { .get_parent = ntfs_get_parent, /* Find the parent of a given directory. */ - .get_dentry = ntfs_get_dentry, /* Find a dentry for the inode - given a file handle - sub-fragment. */ + .fh_to_dentry = ntfs_fh_to_dentry, + .fh_to_parent = ntfs_fh_to_parent, }; _ Patches currently in -mm which might be from hch@xxxxxx are origin.patch git-unionfs.patch git-xfs.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-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 r-o-bind-mounts-stub-functions.patch r-o-bind-mounts-elevate-write-count-during-entire-ncp_ioctl.patch r-o-bind-mounts-elevate-write-count-during-entire-ncp_ioctl-fix.patch r-o-bind-mounts-elevate-write-count-for-do_utimes-touch-command-causes-oops.patch r-o-bind-mounts-track-number-of-mount-writers.patch r-o-bind-mounts-honor-r-w-changes-at-do_remount-time.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 dont-touch-fs_struct-in-drivers.patch dont-touch-fs_struct-in-usermodehelper.patch remove-path_release_on_umount.patch move-struct-path-into-its-own-header.patch embed-a-struct-path-into-struct-nameidata-instead-of-nd-dentrymnt.patch embed-a-struct-path-into-struct-nameidata-instead-of-nd-dentrymnt-checkpatch-fixes.patch introduce-path_put.patch use-path_put-in-a-few-places-instead-of-mntdput.patch introduce-path_get.patch use-struct-path-in-fs_struct.patch make-set_fs_rootpwd-take-a-struct-path.patch make-__d_path-to-take-a-struct-path-argument.patch use-struct-path-argument-in-proc_get_link.patch embed-a-struct-path-into-struct-nameidata-instead-of-nd-dentrymnt-unionfs.patch introduce-path_put-unionfs.patch introduce-path_get-unionfs.patch - To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html