This is a note to let you know that I've just added the patch titled
ufs: set correct ->s_maxsize
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ufs-set-correct-s_maxsize.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 6b0d144fa758869bdd652c50aa41aaf601232550 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Date: Thu, 8 Jun 2017 21:15:45 -0400
Subject: ufs: set correct ->s_maxsize
From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
commit 6b0d144fa758869bdd652c50aa41aaf601232550 upstream.
Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/ufs/super.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
--- a/fs/ufs/super.c
+++ b/fs/ufs/super.c
@@ -746,6 +746,23 @@ static void ufs_put_super(struct super_b
return;
}
+static u64 ufs_max_bytes(struct super_block *sb)
+{
+ struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
+ int bits = uspi->s_apbshift;
+ u64 res;
+
+ if (bits > 21)
+ res = ~0ULL;
+ else
+ res = UFS_NDADDR + (1LL << bits) + (1LL << (2*bits)) +
+ (1LL << (3*bits));
+
+ if (res >= (MAX_LFS_FILESIZE >> uspi->s_bshift))
+ return MAX_LFS_FILESIZE;
+ return res << uspi->s_bshift;
+}
+
static int ufs_fill_super(struct super_block *sb, void *data, int silent)
{
struct ufs_sb_info * sbi;
@@ -1212,6 +1229,7 @@ magic_found:
"fast symlink size (%u)\n", uspi->s_maxsymlinklen);
uspi->s_maxsymlinklen = maxsymlen;
}
+ sb->s_maxbytes = ufs_max_bytes(sb);
sb->s_max_links = UFS_LINK_MAX;
inode = ufs_iget(sb, UFS_ROOTINO);
Patches currently in stable-queue which might be from viro@xxxxxxxxxxxxxxxxxx are
queue-4.4/drivers-char-random-add-get_random_long.patch
queue-4.4/ufs-set-correct-s_maxsize.patch
queue-4.4/ufs_getfrag_block-we-only-grab-truncate_mutex-on-block-creation-path.patch
queue-4.4/ufs-restore-proper-tail-allocation.patch
queue-4.4/ufs_extend_tail-fix-the-braino-in-calling-conventions-of-ufs_new_fragments.patch
queue-4.4/ufs-restore-maintaining-i_blocks.patch
queue-4.4/fix-ufs_isblockset.patch