v4.19.13 snapshot.
diff --git a/fs/udf/ialloc.c b/fs/udf/ialloc.c
new file mode 100644
index 0000000..f8e5872
--- /dev/null
+++ b/fs/udf/ialloc.c
@@ -0,0 +1,137 @@
+/*
+ * ialloc.c
+ *
+ * PURPOSE
+ * Inode allocation handling routines for the OSTA-UDF(tm) filesystem.
+ *
+ * COPYRIGHT
+ * This file is distributed under the terms of the GNU General Public
+ * License (GPL). Copies of the GPL can be obtained from:
+ * ftp://prep.ai.mit.edu/pub/gnu/GPL
+ * Each contributing author retains all rights to their own work.
+ *
+ * (C) 1998-2001 Ben Fennema
+ *
+ * HISTORY
+ *
+ * 02/24/99 blf Created.
+ *
+ */
+
+#include "udfdecl.h"
+#include <linux/fs.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+
+#include "udf_i.h"
+#include "udf_sb.h"
+
+void udf_free_inode(struct inode *inode)
+{
+ struct super_block *sb = inode->i_sb;
+ struct udf_sb_info *sbi = UDF_SB(sb);
+ struct logicalVolIntegrityDescImpUse *lvidiu = udf_sb_lvidiu(sb);
+
+ if (lvidiu) {
+ mutex_lock(&sbi->s_alloc_mutex);
+ if (S_ISDIR(inode->i_mode))
+ le32_add_cpu(&lvidiu->numDirs, -1);
+ else
+ le32_add_cpu(&lvidiu->numFiles, -1);
+ udf_updated_lvid(sb);
+ mutex_unlock(&sbi->s_alloc_mutex);
+ }
+
+ udf_free_blocks(sb, NULL, &UDF_I(inode)->i_location, 0, 1);
+}
+
+struct inode *udf_new_inode(struct inode *dir, umode_t mode)
+{
+ struct super_block *sb = dir->i_sb;
+ struct udf_sb_info *sbi = UDF_SB(sb);
+ struct inode *inode;
+ udf_pblk_t block;
+ uint32_t start = UDF_I(dir)->i_location.logicalBlockNum;
+ struct udf_inode_info *iinfo;
+ struct udf_inode_info *dinfo = UDF_I(dir);
+ struct logicalVolIntegrityDescImpUse *lvidiu;
+ int err;
+
+ inode = new_inode(sb);
+
+ if (!inode)
+ return ERR_PTR(-ENOMEM);
+
+ iinfo = UDF_I(inode);
+ if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_EXTENDED_FE)) {
+ iinfo->i_efe = 1;
+ if (UDF_VERS_USE_EXTENDED_FE > sbi->s_udfrev)
+ sbi->s_udfrev = UDF_VERS_USE_EXTENDED_FE;
+ iinfo->i_ext.i_data = kzalloc(inode->i_sb->s_blocksize -
+ sizeof(struct extendedFileEntry),
+ GFP_KERNEL);
+ } else {
+ iinfo->i_efe = 0;
+ iinfo->i_ext.i_data = kzalloc(inode->i_sb->s_blocksize -
+ sizeof(struct fileEntry),
+ GFP_KERNEL);
+ }
+ if (!iinfo->i_ext.i_data) {
+ iput(inode);
+ return ERR_PTR(-ENOMEM);
+ }
+
+ err = -ENOSPC;
+ block = udf_new_block(dir->i_sb, NULL,
+ dinfo->i_location.partitionReferenceNum,
+ start, &err);
+ if (err) {
+ iput(inode);
+ return ERR_PTR(err);
+ }
+
+ lvidiu = udf_sb_lvidiu(sb);
+ if (lvidiu) {
+ iinfo->i_unique = lvid_get_unique_id(sb);
+ inode->i_generation = iinfo->i_unique;
+ mutex_lock(&sbi->s_alloc_mutex);
+ if (S_ISDIR(mode))
+ le32_add_cpu(&lvidiu->numDirs, 1);
+ else
+ le32_add_cpu(&lvidiu->numFiles, 1);
+ udf_updated_lvid(sb);
+ mutex_unlock(&sbi->s_alloc_mutex);
+ }
+
+ inode_init_owner(inode, dir, mode);
+ if (UDF_QUERY_FLAG(sb, UDF_FLAG_UID_SET))
+ inode->i_uid = sbi->s_uid;
+ if (UDF_QUERY_FLAG(sb, UDF_FLAG_GID_SET))
+ inode->i_gid = sbi->s_gid;
+
+ iinfo->i_location.logicalBlockNum = block;
+ iinfo->i_location.partitionReferenceNum =
+ dinfo->i_location.partitionReferenceNum;
+ inode->i_ino = udf_get_lb_pblock(sb, &iinfo->i_location, 0);
+ inode->i_blocks = 0;
+ iinfo->i_lenEAttr = 0;
+ iinfo->i_lenAlloc = 0;
+ iinfo->i_use = 0;
+ iinfo->i_checkpoint = 1;
+ if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_AD_IN_ICB))
+ iinfo->i_alloc_type = ICBTAG_FLAG_AD_IN_ICB;
+ else if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_SHORT_AD))
+ iinfo->i_alloc_type = ICBTAG_FLAG_AD_SHORT;
+ else
+ iinfo->i_alloc_type = ICBTAG_FLAG_AD_LONG;
+ inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode);
+ iinfo->i_crtime = inode->i_mtime;
+ if (unlikely(insert_inode_locked(inode) < 0)) {
+ make_bad_inode(inode);
+ iput(inode);
+ return ERR_PTR(-EIO);
+ }
+ mark_inode_dirty(inode);
+
+ return inode;
+}