bsd/hfs/hfs_vnops.c

596 	 * stay around, preventing de-allocation of these blocks.
608 		 * If there are extra blocks and there are only 2 refs on
825 			u_int64_t blocks;
831 				/* for compressed files, we report all allocated blocks as belonging to the data fork */
832 				blocks = cp->c_blocks;
833 				VATTR_RETURN(vap, va_data_alloc, blocks * (u_int64_t)hfsmp->blockSize);
838 				blocks = VCTOF(vp, cp)->ff_blocks;
839 				VATTR_RETURN(vap, va_data_alloc, blocks * (u_int64_t)hfsmp->blockSize);
1847 	 * This reflects the fact that the file may have borrowed blocks, dirty metadata,
1972  * is imposed is that we may have to touch a whole lot of bitmap blocks if there are
2281 	/* HFS directories don't have any data blocks. */
2377 	 * locked blocks as they get cleaned up when we finish the transaction
2406 		 * invalidating the buffer's blocks before the journal transaction is
2960 		/* inactive or reclaim on rvp will clean up the blocks from the rsrc fork */
2993  * This function is able to delete blocks & fork data for the resource
2995  * It should infer the correct behavior based on the number of blocks
3058 	 * data blocks for the symlink are not still in-flight or pending.
3059 	 * If so, we will unlink the symlink here, making its blocks
3061 	 * then the I/O for the data blocks could then go out before the journal
3219 	 * any loaned blocks that belong to this file.  No actual
3363 		 * 3) rsrc fork must have actual blocks
3439 		 * was a resource fork pointer in the cnode does not mean that it had any blocks.
3523 		 * to deal with the borrowed blocks accounting.
4032 	 * capable of clearing out unused blocks for an open-unlinked file or dir.
4106 			 * its blocks when there are no more references to it.  Because the call to
4112 			 * can clean up the blocks of open-unlinked files and resource forks.
4133 		 * Aggressively mark tvp/tcp for termination to ensure that we recover all blocks
4820 	 * Keep track blocks read
4987      * the file has invalid ranges or borrowed blocks.
4997          * If there are borrowed blocks, ensure that they are subtracted
5005                 panic("hfs: ff_blocks %d is less than unalloc blocks %d\n",
5019          * solely within borrowed blocks, then our LEOF and block
5023          * to zero by the borrowed blocks check above.
5033 	 * the block count and file size match the number of blocks