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ufs_getfrag_block(): we only grab ->truncate_mutex on block creation path

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commit 006351ac8ead0d4a67dd3845e3ceffe650a23212 upstream.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Al Viro 2017-06-08 23:28:53 -04:00 committed by Greg Kroah-Hartman
parent 3d4922b5bb
commit 84bef90a45
1 changed files with 3 additions and 1 deletions
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4
fs/ufs/inode.c
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@ -403,7 +403,9 @@ static int ufs_getfrag_block(struct inode *inode, sector_t fragment, struct buff
if (!create) {
phys64 = ufs_frag_map(inode, offsets, depth);
goto out;
if (phys64)
map_bh(bh_result, sb, phys64 + frag);
return 0;
}
/* This code entered only while writing ....? */