There's no harm when writing the MBR, changed or not. This also allows us to get rid of the 'MBRbuffer_changed' global variable. Signed-off-by: Davidlohr Bueso <dave@xxxxxxx> --- fdisks/fdisk.c | 9 ++++++--- fdisks/fdisk.h | 2 -- fdisks/fdiskdoslabel.c | 23 ++++++++++------------- 3 files changed, 16 insertions(+), 18 deletions(-) diff --git a/fdisks/fdisk.c b/fdisks/fdisk.c index 7db25af..d79b55a 100644 --- a/fdisks/fdisk.c +++ b/fdisks/fdisk.c @@ -51,8 +51,6 @@ #include "gpt.h" -int MBRbuffer_changed; - #define hex_val(c) ({ \ char _c = (c); \ isdigit(_c) ? _c - '0' : \ @@ -498,13 +496,18 @@ static int is_partition_table_changed(void) static void maybe_exit(int rc, int *asked) { + int i, mbr_changed = 0; char line[LINE_LENGTH]; putchar('\n'); if (asked) *asked = 0; - if (is_partition_table_changed() || MBRbuffer_changed) { + for (i = 0; i < 4; i++) + if (ptes[i].changed) + mbr_changed = 1; + + if (is_partition_table_changed() || mbr_changed) { fprintf(stderr, _("Do you really want to quit? ")); if (!fgets(line, LINE_LENGTH, stdin) || rpmatch(line) == 1) diff --git a/fdisks/fdisk.h b/fdisks/fdisk.h index 53ef6bc..639d7db 100644 --- a/fdisks/fdisk.h +++ b/fdisks/fdisk.h @@ -283,8 +283,6 @@ extern const char * str_units(int); extern sector_t get_nr_sects(struct partition *p); -extern int MBRbuffer_changed; - /* start_sect and nr_sects are stored little endian on all machines */ /* moreover, they are not aligned correctly */ static inline void diff --git a/fdisks/fdiskdoslabel.c b/fdisks/fdiskdoslabel.c index e813a21..f83b794 100644 --- a/fdisks/fdiskdoslabel.c +++ b/fdisks/fdiskdoslabel.c @@ -332,7 +332,6 @@ void dos_set_mbr_id(struct fdisk_context *cxt) return; mbr_set_id(cxt->firstsector, new_id); - MBRbuffer_changed = 1; dos_print_mbr_id(cxt); } @@ -798,20 +797,18 @@ static int write_sector(struct fdisk_context *cxt, sector_t secno, static int dos_write_disklabel(struct fdisk_context *cxt) { - int i, rc = 0; + int i, rc = 0, mbr_changed = 0; - /* MBR (primary partitions) */ - if (!MBRbuffer_changed) { - for (i = 0; i < 4; i++) - if (ptes[i].changed) - MBRbuffer_changed = 1; - } - if (MBRbuffer_changed) { + for (i = 0; i < 4; i++) + if (ptes[i].changed) + mbr_changed = 1; + + if (mbr_changed) mbr_set_magic(cxt->firstsector); - rc = write_sector(cxt, 0, cxt->firstsector); - if (rc) - goto done; - } + rc = write_sector(cxt, 0, cxt->firstsector); + if (rc) + goto done; + /* EBR (logical partitions) */ for (i = 4; i < partitions; i++) { struct pte *pe = &ptes[i]; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe util-linux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html