65 lines
1.4 KiB
C
65 lines
1.4 KiB
C
/* Created (MFS based):
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* June 2011 (Evgeniy Ivanov)
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*/
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#include "fs.h"
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#include <assert.h>
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#include <minix/vfsif.h>
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#include "puffs.h"
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#include "puffs_priv.h"
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/*===========================================================================*
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* fs_sync *
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*===========================================================================*/
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int fs_sync()
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{
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/* Perform the sync() system call. Flush all the tables.
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* The order in which the various tables are flushed is critical.
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*/
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int r;
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PUFFS_MAKECRED(pcr, &global_kcred);
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if (is_readonly_fs)
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return(OK); /* nothing to sync */
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r = global_pu->pu_ops.puffs_fs_sync(global_pu, MNT_WAIT, pcr);
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if (r) {
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lpuffs_debug("Warning: sync failed!\n");
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}
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return(OK); /* sync() can't fail */
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}
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/*===========================================================================*
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* fs_flush *
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*===========================================================================*/
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int fs_flush()
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{
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/* Flush the blocks of a device from the cache after writing any dirty blocks
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* to disk.
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*/
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#if 0
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dev_t dev = fs_m_in.REQ_DEV;
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if(dev == fs_dev) return(EBUSY);
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flushall(dev);
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invalidate(dev);
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#endif
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return(OK);
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}
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/*===========================================================================*
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* fs_new_driver *
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*===========================================================================*/
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int fs_new_driver(void)
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{
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/* Do not do anything. */
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return(OK);
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}
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