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Commit e5d32128 authored by Sundar Raman's avatar Sundar Raman Committed by Ken Sumrall
Browse files

sdcard: use FUSE_BIG_WRITES for FUSE writes 



Slightly optimizes the writes used by sdcard to increase
throughput and decrease cpu load. Update the read
size to 256 x 1024 + 128 from current 8192 bytes since
writes can go as high as that.

Change-Id: I3bad425f31d4aa6f44f546e3d31439fd5bdca9ea
Signed-off-by: default avatarSundar Raman <sunds@ti.com>
parent 94a55df3

sdcard/sdcard.c

+2 −2
Original line number Diff line number Diff line
@@ -912,7 +912,7 @@ void handle_fuse_request(struct fuse *fuse, struct fuse_in_header *hdr, void *da 
        out.major = FUSE_KERNEL_VERSION;

        out.minor = FUSE_KERNEL_MINOR_VERSION;

        out.max_readahead = req->max_readahead;

        out.flags = FUSE_ATOMIC_O_TRUNC;

        out.flags = FUSE_ATOMIC_O_TRUNC | FUSE_BIG_WRITES;

        out.max_background = 32;

        out.congestion_threshold = 32;

        out.max_write = 256 * 1024;
@@ -941,7 +941,7 @@ void handle_fuse_requests(struct fuse *fuse) 
    int len;

    

    for (;;) {

        len = read(fuse->fd, req, 8192);

        len = read(fuse->fd, req, sizeof(req));

        if (len < 0) {

            if (errno == EINTR)

                continue;