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ufs: fix symlink creation on ufs2

If we create symlink on UFS2 filesystem under Linux, it looks wrong under
other OSes, because of max symlink length field was not initialized
properly, and data blocks were not used to save short symlink names.

[akpm@linux-foundation.org: add missing fs32_to_cpu()]
Signed-off-by: Evgeniy Dushistov <dushistov@mail.ru>
Cc: Steven <stevenaaus@yahoo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Evgeniy Dushistov 17 年之前
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90b315af12
共有 1 個文件被更改,包括 4 次插入2 次删除
  1. 4 2
      fs/ufs/super.c

+ 4 - 2
fs/ufs/super.c

@@ -131,6 +131,8 @@ static void ufs_print_super_stuff(struct super_block *sb,
 		printk(KERN_INFO"  cs_nffree(Num of free frags): %llu\n",
 		       (unsigned long long)
 		       fs64_to_cpu(sb, usb3->fs_un1.fs_u2.cs_nffree));
+		printk(KERN_INFO"  fs_maxsymlinklen: %u\n",
+		       fs32_to_cpu(sb, usb3->fs_un2.fs_44.fs_maxsymlinklen));
 	} else {
 		printk(" sblkno:      %u\n", fs32_to_cpu(sb, usb1->fs_sblkno));
 		printk(" cblkno:      %u\n", fs32_to_cpu(sb, usb1->fs_cblkno));
@@ -1061,8 +1063,8 @@ magic_found:
 	uspi->s_bpf = uspi->s_fsize << 3;
 	uspi->s_bpfshift = uspi->s_fshift + 3;
 	uspi->s_bpfmask = uspi->s_bpf - 1;
-	if ((sbi->s_mount_opt & UFS_MOUNT_UFSTYPE) ==
-	    UFS_MOUNT_UFSTYPE_44BSD)
+	if ((sbi->s_mount_opt & UFS_MOUNT_UFSTYPE) == UFS_MOUNT_UFSTYPE_44BSD ||
+	    (sbi->s_mount_opt & UFS_MOUNT_UFSTYPE) == UFS_MOUNT_UFSTYPE_UFS2)
 		uspi->s_maxsymlinklen =
 		    fs32_to_cpu(sb, usb3->fs_un2.fs_44.fs_maxsymlinklen);