20  * There are 64 slots, which means we can load the entire bitmap into a
26 	u64 bitmap;  in afs_find_contig_bits()  local
30 	bitmap  = (u64)block->hdr.bitmap[0] << 0 * 8;  in afs_find_contig_bits()
31 	bitmap |= (u64)block->hdr.bitmap[1] << 1 * 8;  in afs_find_contig_bits()
32 	bitmap |= (u64)block->hdr.bitmap[2] << 2 * 8;  in afs_find_contig_bits()
33 	bitmap |= (u64)block->hdr.bitmap[3] << 3 * 8;  in afs_find_contig_bits()
34 	bitmap |= (u64)block->hdr.bitmap[4] << 4 * 8;  in afs_find_contig_bits()
35 	bitmap |= (u64)block->hdr.bitmap[5] << 5 * 8;  in afs_find_contig_bits()
36 	bitmap |= (u64)block->hdr.bitmap[6] << 6 * 8;  in afs_find_contig_bits()
37 	bitmap |= (u64)block->hdr.bitmap[7] << 7 * 8;  in afs_find_contig_bits()
38 	bitmap >>= 1; /* The first entry is metadata */  in afs_find_contig_bits()
44 			n = ffz(bitmap);  in afs_find_contig_bits()
46 			n = ((u32)bitmap) != 0 ?  in afs_find_contig_bits()
47 				ffz((u32)bitmap) :  in afs_find_contig_bits()
48 				ffz((u32)(bitmap >> 32)) + 32;  in afs_find_contig_bits()
49 		bitmap >>= n;  in afs_find_contig_bits()
52 		if ((bitmap & mask) == 0) {  in afs_find_contig_bits()
58 		n = __ffs(bitmap);  in afs_find_contig_bits()
59 		bitmap >>= n;  in afs_find_contig_bits()
61 	} while (bitmap);  in afs_find_contig_bits()
67  * Set a number of contiguous bits in the directory block bitmap.
77 	block->hdr.bitmap[0] |= (u8)(mask >> 0 * 8);  in afs_set_contig_bits()
78 	block->hdr.bitmap[1] |= (u8)(mask >> 1 * 8);  in afs_set_contig_bits()
79 	block->hdr.bitmap[2] |= (u8)(mask >> 2 * 8);  in afs_set_contig_bits()
80 	block->hdr.bitmap[3] |= (u8)(mask >> 3 * 8);  in afs_set_contig_bits()
81 	block->hdr.bitmap[4] |= (u8)(mask >> 4 * 8);  in afs_set_contig_bits()
82 	block->hdr.bitmap[5] |= (u8)(mask >> 5 * 8);  in afs_set_contig_bits()
83 	block->hdr.bitmap[6] |= (u8)(mask >> 6 * 8);  in afs_set_contig_bits()
84 	block->hdr.bitmap[7] |= (u8)(mask >> 7 * 8);  in afs_set_contig_bits()
88  * Clear a number of contiguous bits in the directory block bitmap.
98 	block->hdr.bitmap[0] &= ~(u8)(mask >> 0 * 8);  in afs_clear_contig_bits()
99 	block->hdr.bitmap[1] &= ~(u8)(mask >> 1 * 8);  in afs_clear_contig_bits()
100 	block->hdr.bitmap[2] &= ~(u8)(mask >> 2 * 8);  in afs_clear_contig_bits()
101 	block->hdr.bitmap[3] &= ~(u8)(mask >> 3 * 8);  in afs_clear_contig_bits()
102 	block->hdr.bitmap[4] &= ~(u8)(mask >> 4 * 8);  in afs_clear_contig_bits()
103 	block->hdr.bitmap[5] &= ~(u8)(mask >> 5 * 8);  in afs_clear_contig_bits()
104 	block->hdr.bitmap[6] &= ~(u8)(mask >> 6 * 8);  in afs_clear_contig_bits()
105 	block->hdr.bitmap[7] &= ~(u8)(mask >> 7 * 8);  in afs_clear_contig_bits()
169 	u64 bitmap;  in afs_dir_scan_block()  local
174 	bitmap  = (u64)block->hdr.bitmap[0] << 0 * 8;  in afs_dir_scan_block()
175 	bitmap |= (u64)block->hdr.bitmap[1] << 1 * 8;  in afs_dir_scan_block()
176 	bitmap |= (u64)block->hdr.bitmap[2] << 2 * 8;  in afs_dir_scan_block()
177 	bitmap |= (u64)block->hdr.bitmap[3] << 3 * 8;  in afs_dir_scan_block()
178 	bitmap |= (u64)block->hdr.bitmap[4] << 4 * 8;  in afs_dir_scan_block()
179 	bitmap |= (u64)block->hdr.bitmap[5] << 5 * 8;  in afs_dir_scan_block()
180 	bitmap |= (u64)block->hdr.bitmap[6] << 6 * 8;  in afs_dir_scan_block()
181 	bitmap |= (u64)block->hdr.bitmap[7] << 7 * 8;  in afs_dir_scan_block()
186 		if (!((bitmap >> d) & 1))  in afs_dir_scan_block()
216 	block->hdr.bitmap[0] = 1;  in afs_edit_init_block()
219 		block->hdr.bitmap[0] = 0xff;  in afs_edit_init_block()
220 		block->hdr.bitmap[1] = 0x1f;  in afs_edit_init_block()
349 	/* Adjust the bitmap. */  in afs_edit_dir_add()
451 	/* Adjust the bitmap. */  in afs_edit_dir_remove()