diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2017-06-08 21:15:45 -0400 |
|---|---|---|
| committer | Sasha Levin <alexander.levin@verizon.com> | 2017-06-25 22:02:19 -0400 |
| commit | c58e11d1da359ae5c4a277af18beacfb2e0bffa5 (patch) | |
| tree | 060575a554d9e544aa5b688604e8a2c1dac9482d /fs | |
| parent | 7ba100d53ebce07b612520d06f7432be8a5126dc (diff) | |
ufs: set correct ->s_maxsize
[ Upstream commit 6b0d144fa758869bdd652c50aa41aaf601232550 ]
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/ufs/super.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/fs/ufs/super.c b/fs/ufs/super.c index c21bf6db84fd..e295994fbbf0 100644 --- a/fs/ufs/super.c +++ b/fs/ufs/super.c @@ -764,6 +764,23 @@ static void ufs_put_super(struct super_block *sb) 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; @@ -1230,6 +1247,7 @@ 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); |