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sysv: Add forgotten superblock lock init for v7 fs
commit 49475555848d396a0c78fb2f8ecceb3f3f263ef1 upstream.
Superblock lock was replaced with (un)lock_super() removal, but left
uninitialized for Seventh Edition UNIX filesystem in the following commit (3.7):
c07cb01
sysv: drop lock/unlock super
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -487,6 +487,7 @@ static int v7_fill_super(struct super_block *sb, void *data, int silent)
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sbi->s_sb = sb;
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sbi->s_block_base = 0;
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sbi->s_type = FSTYPE_V7;
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mutex_init(&sbi->s_lock);
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sb->s_fs_info = sbi;
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sb_set_blocksize(sb, 512);
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