Current code is reversed in --commit-after and --commit-each operation.
i.e. --commit-after means --commit-each actually. This patch fix this
and also introduces enum type for more readable code.

Signed-off-by: Tomohiro Misono <misono.tomoh...@jp.fujitsu.com>
Reviewed-by: Qu Wenruo <quwenruo.bt...@gmx.com>
---
 cmds-subvolume.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/cmds-subvolume.c b/cmds-subvolume.c
index 666f6e0..9e561f3 100644
--- a/cmds-subvolume.c
+++ b/cmds-subvolume.c
@@ -263,6 +263,7 @@ static int cmd_subvol_delete(int argc, char **argv)
        DIR     *dirstream = NULL;
        int verbose = 0;
        int commit_mode = 0;
+       enum { COMMIT_AFTER = 1, COMMIT_EACH = 2 };
 
        while (1) {
                int c;
@@ -279,10 +280,10 @@ static int cmd_subvol_delete(int argc, char **argv)
 
                switch(c) {
                case 'c':
-                       commit_mode = 1;
+                       commit_mode = COMMIT_AFTER;
                        break;
                case 'C':
-                       commit_mode = 2;
+                       commit_mode = COMMIT_EACH;
                        break;
                case 'v':
                        verbose++;
@@ -298,7 +299,7 @@ static int cmd_subvol_delete(int argc, char **argv)
        if (verbose > 0) {
                printf("Transaction commit: %s\n",
                        !commit_mode ? "none (default)" :
-                       commit_mode == 1 ? "at the end" : "after each");
+                       commit_mode == COMMIT_AFTER ? "at the end" : "after 
each");
        }
 
        cnt = optind;
@@ -338,7 +339,7 @@ again:
        }
 
        printf("Delete subvolume (%s): '%s/%s'\n",
-               commit_mode == 2 || (commit_mode == 1 && cnt + 1 == argc)
+               commit_mode == COMMIT_EACH || (commit_mode == COMMIT_AFTER && 
cnt + 1 == argc)
                ? "commit" : "no-commit", dname, vname);
        memset(&args, 0, sizeof(args));
        strncpy_null(args.name, vname);
@@ -350,7 +351,7 @@ again:
                goto out;
        }
 
-       if (commit_mode == 1) {
+       if (commit_mode == COMMIT_EACH) {
                res = wait_for_commit(fd);
                if (res < 0) {
                        error("unable to wait for commit after '%s': %s",
@@ -373,7 +374,7 @@ out:
                goto again;
        }
 
-       if (commit_mode == 2 && fd != -1) {
+       if (commit_mode == COMMIT_AFTER && fd != -1) {
                res = wait_for_commit(fd);
                if (res < 0) {
                        error("unable to do final sync after deletion: %s",
-- 
2.9.5

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