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btrfs: increase ctx->pos for delayed dir index

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Our dir_context->pos is supposed to hold the next position we're
supposed to look.  If we successfully insert a delayed dir index we
could end up with a duplicate entry because we don't increase ctx->pos
after doing the dir_emit.

Signed-off-by: Josef Bacik <jbacik@fb.com>
Reviewed-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Josef Bacik 2017-07-24 15:14:26 -04:00 committed by David Sterba
parent 23b5ec7494
commit 42e9cc46fb
1 changed files with 1 additions and 0 deletions
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fs/btrfs/delayed-inode.c
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@ -1727,6 +1727,7 @@ int btrfs_readdir_delayed_dir_index(struct dir_context *ctx,
if (over)
return 1;
ctx->pos++;
}
return 0;
}