+++ /dev/null
- fs/ext3/ialloc.c | 35 ++++++++++++++++++++++++++++++++++-
- fs/ext3/ioctl.c | 25 +++++++++++++++++++++++++
- fs/ext3/namei.c | 21 +++++++++++++++++----
- include/linux/dcache.h | 5 +++++
- include/linux/ext3_fs.h | 5 ++++-
- 5 files changed, 85 insertions(+), 6 deletions(-)
-
-Index: uml-2.6.3/fs/ext3/ialloc.c
-===================================================================
---- uml-2.6.3.orig/fs/ext3/ialloc.c 2004-02-20 15:00:48.000000000 +0800
-+++ uml-2.6.3/fs/ext3/ialloc.c 2004-02-21 00:24:45.202693776 +0800
-@@ -420,7 +420,8 @@
- * For other inodes, search forward from the parent directory's block
- * group to find a free inode.
- */
--struct inode *ext3_new_inode(handle_t *handle, struct inode * dir, int mode)
-+struct inode *ext3_new_inode(handle_t *handle, struct inode * dir, int mode,
-+ unsigned long goal)
- {
- struct super_block *sb;
- struct buffer_head *bitmap_bh = NULL;
-@@ -448,6 +449,38 @@
-
- sbi = EXT3_SB(sb);
- es = sbi->s_es;
-+ if (goal) {
-+ group = (goal - 1) / EXT3_INODES_PER_GROUP(sb);
-+ ino = (goal - 1) % EXT3_INODES_PER_GROUP(sb);
-+ gdp = ext3_get_group_desc(sb, group, &bh2);
-+
-+ err = -EIO;
-+ bitmap_bh = read_inode_bitmap (sb, group);
-+ if (!bitmap_bh)
-+ goto fail;
-+
-+ BUFFER_TRACE(bh, "get_write_access");
-+ err = ext3_journal_get_write_access(handle, bitmap_bh);
-+ if (err) goto fail;
-+
-+ if (ext3_set_bit_atomic(sb_bgl_lock(sbi, group),
-+ ino, bitmap_bh->b_data)) {
-+ printk(KERN_ERR "goal inode %lu unavailable\n", goal);
-+ /* Oh well, we tried. */
-+ goto continue_allocation;
-+ }
-+
-+ BUFFER_TRACE(bh, "call ext3_journal_dirty_metadata");
-+ err = ext3_journal_dirty_metadata(handle, bitmap_bh);
-+ if (err) goto fail;
-+
-+ /* We've shortcircuited the allocation system successfully,
-+ * now finish filling in the inode.
-+ */
-+ goto got;
-+ }
-+
-+continue_allocation:
- if (S_ISDIR(mode)) {
- if (test_opt (sb, OLDALLOC))
- group = find_group_dir(sb, dir);
-Index: uml-2.6.3/fs/ext3/ioctl.c
-===================================================================
---- uml-2.6.3.orig/fs/ext3/ioctl.c 2004-01-09 14:59:26.000000000 +0800
-+++ uml-2.6.3/fs/ext3/ioctl.c 2004-02-21 00:21:04.541239416 +0800
-@@ -24,6 +24,31 @@
- ext3_debug ("cmd = %u, arg = %lu\n", cmd, arg);
-
- switch (cmd) {
-+ case EXT3_IOC_CREATE_INUM: {
-+ char name[32];
-+ struct dentry *dchild, *dparent;
-+ int rc = 0;
-+
-+ dparent = list_entry(inode->i_dentry.next, struct dentry,
-+ d_alias);
-+ snprintf(name, sizeof name, "%lu", arg);
-+ dchild = lookup_one_len(name, dparent, strlen(name));
-+ if (dchild->d_inode) {
-+ printk(KERN_ERR "%*s/%lu already exists (ino %lu)\n",
-+ dparent->d_name.len, dparent->d_name.name, arg,
-+ dchild->d_inode->i_ino);
-+ rc = -EEXIST;
-+ } else {
-+ dchild->d_fsdata = (void *)arg;
-+ rc = vfs_create(inode, dchild, 0644, NULL);
-+ if (rc)
-+ printk(KERN_ERR "vfs_create: %d\n", rc);
-+ else if (dchild->d_inode->i_ino != arg)
-+ rc = -EEXIST;
-+ }
-+ dput(dchild);
-+ return rc;
-+ }
- case EXT3_IOC_GETFLAGS:
- flags = ei->i_flags & EXT3_FL_USER_VISIBLE;
- return put_user(flags, (int *) arg);
-Index: uml-2.6.3/fs/ext3/namei.c
-===================================================================
---- uml-2.6.3.orig/fs/ext3/namei.c 2004-02-20 15:01:27.000000000 +0800
-+++ uml-2.6.3/fs/ext3/namei.c 2004-02-21 00:21:04.611228776 +0800
-@@ -1617,6 +1617,19 @@
- return err;
- }
-
-+static struct inode * ext3_new_inode_wantedi(handle_t *handle, struct inode *dir,
-+ int mode, struct dentry *dentry)
-+{
-+ unsigned long inum = 0;
-+
-+ if (dentry->d_fsdata != NULL) {
-+ struct dentry_params *param =
-+ (struct dentry_params *) dentry->d_fsdata;
-+ inum = param->p_inum;
-+ }
-+ return ext3_new_inode(handle, dir, mode, inum);
-+}
-+
- /*
- * By the time this is called, we already have created
- * the directory cache entry for the new file, but it
-@@ -1640,7 +1653,7 @@
- if (IS_DIRSYNC(dir))
- handle->h_sync = 1;
-
-- inode = ext3_new_inode (handle, dir, mode);
-+ inode = ext3_new_inode_wantedi (handle, dir, mode, dentry);
- err = PTR_ERR(inode);
- if (!IS_ERR(inode)) {
- inode->i_op = &ext3_file_inode_operations;
-@@ -1670,7 +1683,7 @@
- if (IS_DIRSYNC(dir))
- handle->h_sync = 1;
-
-- inode = ext3_new_inode (handle, dir, mode);
-+ inode = ext3_new_inode_wantedi (handle, dir, mode, dentry);
- err = PTR_ERR(inode);
- if (!IS_ERR(inode)) {
- init_special_inode(inode, inode->i_mode, rdev);
-@@ -1702,7 +1715,7 @@
- if (IS_DIRSYNC(dir))
- handle->h_sync = 1;
-
-- inode = ext3_new_inode (handle, dir, S_IFDIR | mode);
-+ inode = ext3_new_inode_wantedi (handle, dir, S_IFDIR | mode, dentry);
- err = PTR_ERR(inode);
- if (IS_ERR(inode))
- goto out_stop;
-@@ -2094,7 +2107,7 @@
- if (IS_DIRSYNC(dir))
- handle->h_sync = 1;
-
-- inode = ext3_new_inode (handle, dir, S_IFLNK|S_IRWXUGO);
-+ inode = ext3_new_inode_wantedi (handle, dir, S_IFLNK|S_IRWXUGO, dentry);
- err = PTR_ERR(inode);
- if (IS_ERR(inode))
- goto out_stop;
-Index: uml-2.6.3/include/linux/dcache.h
-===================================================================
---- uml-2.6.3.orig/include/linux/dcache.h 2004-02-21 00:19:14.365988600 +0800
-+++ uml-2.6.3/include/linux/dcache.h 2004-02-21 00:21:04.612228624 +0800
-@@ -25,6 +25,11 @@
-
- #define IS_ROOT(x) ((x) == (x)->d_parent)
-
-+struct dentry_params {
-+ unsigned long p_inum;
-+ void *p_ptr;
-+};
-+
- /*
- * "quick string" -- eases parameter passing, but more importantly
- * saves "metadata" about the string (ie length and the hash).
-Index: uml-2.6.3/include/linux/ext3_fs.h
-===================================================================
---- uml-2.6.3.orig/include/linux/ext3_fs.h 2004-01-09 14:59:44.000000000 +0800
-+++ uml-2.6.3/include/linux/ext3_fs.h 2004-02-21 00:21:04.613228472 +0800
-@@ -203,6 +203,7 @@
- #define EXT3_IOC_SETFLAGS _IOW('f', 2, long)
- #define EXT3_IOC_GETVERSION _IOR('f', 3, long)
- #define EXT3_IOC_SETVERSION _IOW('f', 4, long)
-+/* EXT3_IOC_CREATE_INUM at bottom of file (visible to kernel and user). */
- #define EXT3_IOC_GETVERSION_OLD _IOR('v', 1, long)
- #define EXT3_IOC_SETVERSION_OLD _IOW('v', 2, long)
- #ifdef CONFIG_JBD_DEBUG
-@@ -707,7 +708,8 @@
- dx_hash_info *hinfo);
-
- /* ialloc.c */
--extern struct inode * ext3_new_inode (handle_t *, struct inode *, int);
-+extern struct inode * ext3_new_inode (handle_t *, struct inode *, int,
-+ unsigned long);
- extern void ext3_free_inode (handle_t *, struct inode *);
- extern struct inode * ext3_orphan_get (struct super_block *, unsigned long);
- extern unsigned long ext3_count_free_inodes (struct super_block *);
-@@ -792,4 +794,5 @@
-
- #endif /* __KERNEL__ */
-
-+#define EXT3_IOC_CREATE_INUM _IOW('f', 5, long)
- #endif /* _LINUX_EXT3_FS_H */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff