bsd/hfs/hfs_vnops.c

789 	 * stay around, preventing de-allocation of these blocks.
801 		 * If there are extra blocks and there are only 2 refs on
1018 			u_int64_t blocks;
1024 				/* for compressed files, we report all allocated blocks as belonging to the data fork */
1025 				blocks = cp->c_blocks;
1026 				VATTR_RETURN(vap, va_data_alloc, blocks * (u_int64_t)hfsmp->blockSize);
1031 				blocks = VCTOF(vp, cp)->ff_blocks;
1032 				VATTR_RETURN(vap, va_data_alloc, blocks * (u_int64_t)hfsmp->blockSize);
2185 	 * This reflects the fact that the file may have borrowed blocks, dirty metadata,
2322  * is imposed is that we may have to touch a whole lot of bitmap blocks if there are
2631 	/* HFS directories don't have any data blocks. */
2727 	 * locked blocks as they get cleaned up when we finish the transaction
2756 		 * invalidating the buffer's blocks before the journal transaction is
3392 		/* inactive or reclaim on rvp will clean up the blocks from the rsrc fork */
3428  * This function is able to delete blocks & fork data for the resource
3430  * It should infer the correct behavior based on the number of blocks
3493 	 * data blocks for the symlink are not still in-flight or pending.
3494 	 * If so, we will unlink the symlink here, making its blocks
3496 	 * then the I/O for the data blocks could then go out before the journal
3654 	 * any loaned blocks that belong to this file.  No actual
3802 		 * 3) rsrc fork must have actual blocks
3882 		 * was a resource fork pointer in the cnode does not mean that it had any blocks.
3984 		 * to deal with the borrowed blocks accounting.
4578 	 * capable of clearing out unused blocks for an open-unlinked file or dir.
4703 			 * its blocks when there are no more references to it.  Because the call to
4709 			 * can clean up the blocks of open-unlinked files and resource forks.
4730 		 * Aggressively mark tvp/tcp for termination to ensure that we recover all blocks
5475 	 * Keep track blocks read
5680      * the file has invalid ranges or borrowed blocks.
5690          * If there are borrowed blocks, ensure that they are subtracted
5698                 panic("hfs: ff_blocks %d is less than unalloc blocks %d\n",
5712          * solely within borrowed blocks, then our LEOF and block
5716          * to zero by the borrowed blocks check above.
5726 	 * the block count and file size match the number of blocks