PawletOS/android_bootable_recovery
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

am 65c230f4: Merge "Revert "Zero blocks before BLKDISCARD""

Browse Source 
* commit '65c230f4b3c9fd6b42f6502b96e5b47c7b1c2f61':
  Revert "Zero blocks before BLKDISCARD"
This commit is contained in:
Tao Bao
2015-07-11 20:32:32 +00:00
committed by Android Git Automerger
parent 4e6507f328 65c230f4b3
commit f2853e2747
1 changed files with 1 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files
updater/blockimg.c
+1 -17
View File
@@ -1465,7 +1465,6 @@ pcdout:
static int PerformCommandErase(CommandParameters* params) {
char* range = NULL;
int i;
int j;
int rc = -1;
RangeSet* tgt = NULL;
struct stat st;
@@ -1492,7 +1491,7 @@ static int PerformCommandErase(CommandParameters* params) {
range = strtok_r(NULL, " ", &params->cpos);
if (range == NULL) {
fprintf(stderr, "missing target blocks for erase\n");
fprintf(stderr, "missing target blocks for zero\n");
goto pceout;
}
@@ -1501,22 +1500,7 @@ static int PerformCommandErase(CommandParameters* params) {
if (params->canwrite) {
fprintf(stderr, " erasing %d blocks\n", tgt->size);
allocate(BLOCKSIZE, &params->buffer, &params->bufsize);
memset(params->buffer, 0, BLOCKSIZE);
for (i = 0; i < tgt->count; ++i) {
// Always zero the blocks first to work around possibly flaky BLKDISCARD
// Bug: 20881595
if (!check_lseek(params->fd, (off64_t) tgt->pos[i * 2] * BLOCKSIZE, SEEK_SET)) {
goto pceout;
}
for (j = tgt->pos[i * 2]; j < tgt->pos[i * 2 + 1]; ++j) {
if (write_all(params->fd, params->buffer, BLOCKSIZE) == -1) {
goto pceout;
}
}
// offset in bytes
blocks[0] = tgt->pos[i * 2] * (uint64_t) BLOCKSIZE;
// length in bytes