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Commit c3ebecfe authored by Nikhilesh Reddy's avatar Nikhilesh Reddy Committed by Linux Build Service Account
Browse files

sdcard : Use the fuse shortcircuit option 

Use the fuse shortcircuit option for faster read and
write performance in the fuse mount points.

Change-Id: Iee11451348443108c82b14d6856e4c95a47159d1
parent 3421bd82

sdcard/Android.mk

+4 −0
Original line number Diff line number Diff line 
LOCAL_PATH := $(call my-dir)



include $(CLEAR_VARS)

ifeq ($(call is-vendor-board-platform,QCOM),true)

LOCAL_C_INCLUDES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/include

LOCAL_ADDITIONAL_DEPENDENCIES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr

endif



LOCAL_SRC_FILES := sdcard.c

LOCAL_MODULE := sdcard

sdcard/sdcard.c

+19 −2
Original line number Diff line number Diff line
@@ -1202,7 +1202,13 @@ static int handle_open(struct fuse* fuse, struct fuse_handler* handler, 
    }

    out.fh = ptr_to_id(h);

    out.open_flags = 0;



    #ifdef FUSE_SHORTCIRCUIT

        out.lower_fd = h->fd;

    #else

        out.padding = 0;

    #endif



    fuse_reply(fuse, hdr->unique, &out, sizeof(out));

    return NO_STATUS;

}
@@ -1366,7 +1372,13 @@ static int handle_opendir(struct fuse* fuse, struct fuse_handler* handler, 
    }

    out.fh = ptr_to_id(h);

    out.open_flags = 0;



    #ifdef FUSE_SHORTCIRCUIT

        out.lower_fd = -1;

    #else

        out.padding = 0;

    #endif



    fuse_reply(fuse, hdr->unique, &out, sizeof(out));

    return NO_STATUS;

}
@@ -1448,6 +1460,11 @@ static int handle_init(struct fuse* fuse, struct fuse_handler* handler, 
    out.major = FUSE_KERNEL_VERSION;

    out.max_readahead = req->max_readahead;

    out.flags = FUSE_ATOMIC_O_TRUNC | FUSE_BIG_WRITES;



    #ifdef FUSE_SHORTCIRCUIT

        out.flags |= FUSE_SHORTCIRCUIT;

    #endif



    out.max_background = 32;

    out.congestion_threshold = 32;

    out.max_write = MAX_WRITE;