| 1 | /*
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| 2 | * Copyright (c) 2011 Maurizio Lombardi
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup fs
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| 30 | * @{
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| 31 | */
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| 32 |
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| 33 | #include "mfs_super.h"
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| 34 |
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| 35 | void mfs_mounted(ipc_callid_t rid, ipc_call_t *request)
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| 36 | {
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| 37 | devmap_handle_t devmap_handle = (devmap_handle_t) IPC_GET_ARG1(*request);
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| 38 | enum cache_mode cmode;
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| 39 | struct mfs_superblock *sp;
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| 40 |
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| 41 | /* Accept the mount options */
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| 42 | char *opts;
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| 43 | int rc = async_data_write_accept((void **) &opts, true, 0, 0, 0, NULL);
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| 44 |
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| 45 | if (rc != EOK) {
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| 46 | async_answer_0(rid, rc);
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| 47 | return;
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| 48 | }
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| 49 |
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| 50 | /* Check for option enabling write through. */
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| 51 | if (str_cmp(opts, "wtcache") == 0)
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| 52 | cmode = CACHE_MODE_WT;
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| 53 | else
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| 54 | cmode = CACHE_MODE_WB;
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| 55 |
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| 56 | free(opts);
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| 57 |
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| 58 | /* initialize libblock */
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| 59 | rc = block_init(devmap_handle, MFS_SUPER_BLOCK_SIZE);
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| 60 | if (rc != EOK) {
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| 61 | async_answer_0(rid, rc);
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| 62 | return;
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| 63 | }
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| 64 |
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| 65 | /* prepare the superblock */
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| 66 | rc = block_bb_read(devmap_handle, MFS_SUPER_BLOCK);
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| 67 | if (rc != EOK) {
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| 68 | block_fini(devmap_handle);
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| 69 | async_answer_0(rid, rc);
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| 70 | return;
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| 71 | }
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| 72 |
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| 73 | /* get the buffer with the superblock */
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| 74 | sp = block_bb_get(devmap_handle);
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| 75 | }
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| 76 |
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| 77 |
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| 78 | /**
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| 79 | * @}
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| 80 | */
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| 81 |
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