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| author | JP Abgrall <jpa@google.com> | 2014-02-19 20:30:24 +0000 |
|---|---|---|
| committer | Gerrit Code Review <noreply-gerritcodereview@google.com> | 2014-02-19 20:30:25 +0000 |
| commit | 3b0c24e28d7538ff5b49a98eee99bac85c8e687b (patch) | |
| tree | a08b0dcf8c3c8c2bdfd08316838f1fd3a3254cc5 | |
| parent | 223e07983718e1515f2a54542b9b0163a8f508ed (diff) | |
| parent | 49e9344bddca3699c04f3da8c689d0f2b1a338b6 (diff) | |
| download | system_core-3b0c24e28d7538ff5b49a98eee99bac85c8e687b.zip system_core-3b0c24e28d7538ff5b49a98eee99bac85c8e687b.tar.gz system_core-3b0c24e28d7538ff5b49a98eee99bac85c8e687b.tar.bz2 | |
Merge "sdcard: direct I/O file access write buffer alignment"
| -rw-r--r-- | sdcard/sdcard.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sdcard/sdcard.c b/sdcard/sdcard.c index 3bc8cd3..cb03316 100644 --- a/sdcard/sdcard.c +++ b/sdcard/sdcard.c @@ -1244,6 +1244,12 @@ static int handle_write(struct fuse* fuse, struct fuse_handler* handler, struct fuse_write_out out; struct handle *h = id_to_ptr(req->fh); 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, h, h->fd, req->size, req->offset); |