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Full Discussion: vxfs online resizing
Operating Systems Solaris vxfs online resizing Post 302436547 by incredible on Monday 12th of July 2010 10:11:32 AM
Old 07-12-2010
Reducing the size of a file system will fail if there are file system resources currently in use within the sectors to be removed from the file system. In this case, a reorganization may help free those busy resources and allow a subsequent reduction in the size of the file system.
 

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ddi_dma_free(9F)					   Kernel Functions for Drivers 					  ddi_dma_free(9F)

NAME
ddi_dma_free - release system DMA resources SYNOPSIS
#include <sys/ddi.h> #include <sys/sunddi.h> int ddi_dma_free(ddi_dma_handle_t handle); INTERFACE LEVEL
This interface is obsolete. ddi_dma_free_handle(9F) should be used instead. PARAMETERS
handle The handle filled in by a call to ddi_dma_setup(9F). DESCRIPTION
ddi_dma_free() releases system DMA resources set up by ddi_dma_setup(9F). When a DMA transfer completes, the driver should free up system DMA resources established by a call to ddi_dma_setup(9F). This is done by a call to ddi_dma_free(). ddi_dma_free() does an implicit ddi_dma_sync(9F) for you so any further synchronization steps are not necessary. RETURN VALUES
ddi_dma_free() returns: DDI_SUCCESS Successfully released resources DDI_FAILURE Failed to free resources CONTEXT
ddi_dma_free() can be called from user or interrupt context. ATTRIBUTES
See attributes(5) for a description of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Stability Level |Obsolete | +-----------------------------+-----------------------------+ SEE ALSO
attributes(5), ddi_dma_addr_setup(9F), ddi_dma_buf_setup(9F), ddi_dma_free_handle(9F), ddi_dma_htoc(9F), ddi_dma_sync(9F), ddi_dma_req(9S) Writing Device Drivers SunOS 5.10 27 Sep 2002 ddi_dma_free(9F)
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