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am 3b0c24e2: Merge "sdcard: direct I/O file access write buffer alignment"

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* commit '3b0c24e28d7538ff5b49a98eee99bac85c8e687b':
  sdcard: direct I/O file access write buffer alignment
This commit is contained in:
JP Abgrall 2014-02-19 20:37:59 +00:00 • committed by Android Git Automerger
commit 406f1aff9a
1 changed files with 6 additions and 0 deletions
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6
sdcard/sdcard.c
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@ -1244,6 +1244,12 @@ static int handle_write(struct fuse* fuse, struct fuse_handler* handler,
struct fuse_write_out out; struct fuse_write_out out;
struct handle *h = id_to_ptr(req->fh); struct handle *h = id_to_ptr(req->fh);
int res; int res;
__u8 aligned_buffer[req->size] __attribute__((__aligned__(PAGESIZE)));
if (req->flags & O_DIRECT) {
memcpy(aligned_buffer, buffer, req->size);
buffer = (const __u8*) aligned_buffer;
}
TRACE("[%d] WRITE %p(%d) %u@%llu\n", handler->token, TRACE("[%d] WRITE %p(%d) %u@%llu\n", handler->token,
h, h->fd, req->size, req->offset); h, h->fd, req->size, req->offset);