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recovery: more cargo-cult programming

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Add O_DIRECT|O_SYNC when opening partitions for write.

Change-Id: I9825ad8e60fba87e482f8abc5593d6f54a1e3a1c
This commit is contained in:
Doug Zongker
2013-07-11 12:09:05 -07:00
parent bf4a69ac41
commit e8d953aa7e
1 changed files with 2 additions and 2 deletions
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4
applypatch/applypatch.c
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@@ -424,7 +424,7 @@ int WriteToPartition(unsigned char* data, size_t len,
{
size_t start = 0;
int success = 0;
int fd = open(partition, O_RDWR);
int fd = open(partition, O_RDWR | O_DIRECT | O_SYNC);
if (fd < 0) {
printf("failed to open %s: %s\n", partition, strerror(errno));
return -1;
@@ -433,7 +433,7 @@ int WriteToPartition(unsigned char* data, size_t len,
for (attempt = 0; attempt < 10; ++attempt) {
size_t next_sync = start + (1<<20);
printf("raw write %s attempt %d start at %d\n", partition, attempt+1, start);
printf("raw O_DIRECT write %s attempt %d start at %d\n", partition, attempt+1, start);
lseek(fd, start, SEEK_SET);
while (start < len) {
size_t to_write = len - start;