tAdd some comments - dedup - deduplicating backup program
 (HTM) git clone git://git.z3bra.org/dedup.git
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       ---
 (DIR) commit cc34761d0d55ea6c036421cf4fee677ccbe657a4
 (DIR) parent 6699070ee14aa0fc3a48c52e0a146f6946e39ce5
 (HTM) Author: sin <sin@2f30.org>
       Date:   Fri, 26 Apr 2019 11:22:11 +0100
       
       Add some comments
       
       Diffstat:
         M bstorage.c                          |       3 ++-
       
       1 file changed, 2 insertions(+), 1 deletion(-)
       ---
 (DIR) diff --git a/bstorage.c b/bstorage.c
       t@@ -413,7 +413,7 @@ bsopen(struct bctx *bctx, char *path, int flags, int mode, struct bparam *bpar)
                        return -1;
                }
        
       -        /* Populate bparam */
       +        /* Populate bparam compression algo */
                calgo = (bhdr->flags >> CALGOSHIFT) & CALGOMASK;
                switch (calgo) {
                case CNONETYPE:
       t@@ -428,6 +428,7 @@ bsopen(struct bctx *bctx, char *path, int flags, int mode, struct bparam *bpar)
                        return -1;
                }
        
       +        /* Populate bparam hash algo */
                halgo = (bhdr->flags >> HALGOSHIFT) & HALGOMASK;
                switch (halgo) {
                case HBLAKE2BTYPE: