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author | Marcin Slusarz <marcin.slusarz@gmail.com> | 2008-02-08 04:20:36 -0800 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-08 09:22:35 -0800 |
commit | 4b11111aba6c80cc2969fd1806d2a869bfc9f357 (patch) | |
tree | 57b72a1ca58859dc6a9e47d647f29cebb9bcf7e0 /fs/udf/balloc.c | |
parent | bd45a420f93d18c91115f3f0568dd6a2555aa15a (diff) | |
download | kernel_samsung_tuna-4b11111aba6c80cc2969fd1806d2a869bfc9f357.zip kernel_samsung_tuna-4b11111aba6c80cc2969fd1806d2a869bfc9f357.tar.gz kernel_samsung_tuna-4b11111aba6c80cc2969fd1806d2a869bfc9f357.tar.bz2 |
udf: fix coding style
fix coding style errors found by checkpatch:
- assignments in if conditions
- braces {} around single statement blocks
- no spaces after commas
- printks without KERN_*
- lines longer than 80 characters
- spaces between "type *" and variable name
before: 192 errors, 561 warnings, 8987 lines checked
after: 1 errors, 38 warnings, 9468 lines checked
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/udf/balloc.c')
-rw-r--r-- | fs/udf/balloc.c | 231 |
1 files changed, 139 insertions, 92 deletions
diff --git a/fs/udf/balloc.c b/fs/udf/balloc.c index 3f67d9d..dc9f8a9 100644 --- a/fs/udf/balloc.c +++ b/fs/udf/balloc.c @@ -28,15 +28,16 @@ #include "udf_i.h" #include "udf_sb.h" -#define udf_clear_bit(nr,addr) ext2_clear_bit(nr,addr) -#define udf_set_bit(nr,addr) ext2_set_bit(nr,addr) +#define udf_clear_bit(nr, addr) ext2_clear_bit(nr, addr) +#define udf_set_bit(nr, addr) ext2_set_bit(nr, addr) #define udf_test_bit(nr, addr) ext2_test_bit(nr, addr) #define udf_find_first_one_bit(addr, size) find_first_one_bit(addr, size) -#define udf_find_next_one_bit(addr, size, offset) find_next_one_bit(addr, size, offset) +#define udf_find_next_one_bit(addr, size, offset) \ + find_next_one_bit(addr, size, offset) #define leBPL_to_cpup(x) leNUM_to_cpup(BITS_PER_LONG, x) -#define leNUM_to_cpup(x,y) xleNUM_to_cpup(x,y) -#define xleNUM_to_cpup(x,y) (le ## x ## _to_cpup(y)) +#define leNUM_to_cpup(x, y) xleNUM_to_cpup(x, y) +#define xleNUM_to_cpup(x, y) (le ## x ## _to_cpup(y)) #define uintBPL_t uint(BITS_PER_LONG) #define uint(x) xuint(x) #define xuint(x) __le ## x @@ -62,7 +63,8 @@ static inline int find_next_one_bit(void *addr, int size, int offset) result += BITS_PER_LONG; } while (size & ~(BITS_PER_LONG - 1)) { - if ((tmp = leBPL_to_cpup(p++))) + tmp = leBPL_to_cpup(p++); + if (tmp) goto found_middle; result += BITS_PER_LONG; size -= BITS_PER_LONG; @@ -91,9 +93,9 @@ static int read_block_bitmap(struct super_block *sb, loc.partitionReferenceNum = UDF_SB(sb)->s_partition; bh = udf_tread(sb, udf_get_lb_pblock(sb, loc, block)); - if (!bh) { + if (!bh) retval = -EIO; - } + bitmap->s_block_bitmap[bitmap_nr] = bh; return retval; } @@ -155,14 +157,17 @@ static void udf_bitmap_free_blocks(struct super_block *sb, mutex_lock(&sbi->s_alloc_mutex); if (bloc.logicalBlockNum < 0 || - (bloc.logicalBlockNum + count) > sbi->s_partmaps[bloc.partitionReferenceNum].s_partition_len) { + (bloc.logicalBlockNum + count) > + sbi->s_partmaps[bloc.partitionReferenceNum].s_partition_len) { udf_debug("%d < %d || %d + %d > %d\n", bloc.logicalBlockNum, 0, bloc.logicalBlockNum, count, - sbi->s_partmaps[bloc.partitionReferenceNum].s_partition_len); + sbi->s_partmaps[bloc.partitionReferenceNum]. + s_partition_len); goto error_return; } - block = bloc.logicalBlockNum + offset + (sizeof(struct spaceBitmapDesc) << 3); + block = bloc.logicalBlockNum + offset + + (sizeof(struct spaceBitmapDesc) << 3); do_more: overflow = 0; @@ -184,7 +189,8 @@ do_more: for (i = 0; i < count; i++) { if (udf_set_bit(bit + i, bh->b_data)) { udf_debug("bit %ld already set\n", bit + i); - udf_debug("byte=%2x\n", ((char *)bh->b_data)[(bit + i) >> 3]); + udf_debug("byte=%2x\n", + ((char *)bh->b_data)[(bit + i) >> 3]); } else { if (inode) DQUOT_FREE_BLOCK(inode, 1); @@ -314,14 +320,16 @@ repeat: if (bit < end_goal) goto got_block; - ptr = memscan((char *)bh->b_data + (bit >> 3), 0xFF, sb->s_blocksize - ((bit + 7) >> 3)); + ptr = memscan((char *)bh->b_data + (bit >> 3), 0xFF, + sb->s_blocksize - ((bit + 7) >> 3)); newbit = (ptr - ((char *)bh->b_data)) << 3; if (newbit < sb->s_blocksize << 3) { bit = newbit; goto search_back; } - newbit = udf_find_next_one_bit(bh->b_data, sb->s_blocksize << 3, bit); + newbit = udf_find_next_one_bit(bh->b_data, + sb->s_blocksize << 3, bit); if (newbit < sb->s_blocksize << 3) { bit = newbit; goto got_block; @@ -360,15 +368,20 @@ repeat: if (bit < sb->s_blocksize << 3) goto search_back; else - bit = udf_find_next_one_bit(bh->b_data, sb->s_blocksize << 3, group_start << 3); + bit = udf_find_next_one_bit(bh->b_data, sb->s_blocksize << 3, + group_start << 3); if (bit >= sb->s_blocksize << 3) { mutex_unlock(&sbi->s_alloc_mutex); return 0; } search_back: - for (i = 0; i < 7 && bit > (group_start << 3) && udf_test_bit(bit - 1, bh->b_data); i++, bit--) - ; /* empty loop */ + i = 0; + while (i < 7 && bit > (group_start << 3) && + udf_test_bit(bit - 1, bh->b_data)) { + ++i; + --bit; + } got_block: @@ -424,15 +437,17 @@ static void udf_table_free_blocks(struct super_block *sb, mutex_lock(&sbi->s_alloc_mutex); if (bloc.logicalBlockNum < 0 || - (bloc.logicalBlockNum + count) > sbi->s_partmaps[bloc.partitionReferenceNum].s_partition_len) { + (bloc.logicalBlockNum + count) > + sbi->s_partmaps[bloc.partitionReferenceNum].s_partition_len) { udf_debug("%d < %d || %d + %d > %d\n", bloc.logicalBlockNum, 0, bloc.logicalBlockNum, count, - sbi->s_partmaps[bloc.partitionReferenceNum]->s_partition_len); + sbi->s_partmaps[bloc.partitionReferenceNum]. + s_partition_len); goto error_return; } - /* We do this up front - There are some error conditions that could occure, - but.. oh well */ + /* We do this up front - There are some error conditions that + could occure, but.. oh well */ if (inode) DQUOT_FREE_BLOCK(inode, count); if (sbi->s_lvid_bh) { @@ -452,26 +467,39 @@ static void udf_table_free_blocks(struct super_block *sb, while (count && (etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) { - if (((eloc.logicalBlockNum + (elen >> sb->s_blocksize_bits)) == start)) { - if ((0x3FFFFFFF - elen) < (count << sb->s_blocksize_bits)) { - count -= ((0x3FFFFFFF - elen) >> sb->s_blocksize_bits); - start += ((0x3FFFFFFF - elen) >> sb->s_blocksize_bits); - elen = (etype << 30) | (0x40000000 - sb->s_blocksize); + if (((eloc.logicalBlockNum + + (elen >> sb->s_blocksize_bits)) == start)) { + if ((0x3FFFFFFF - elen) < + (count << sb->s_blocksize_bits)) { + uint32_t tmp = ((0x3FFFFFFF - elen) >> + sb->s_blocksize_bits); + count -= tmp; + start += tmp; + elen = (etype << 30) | + (0x40000000 - sb->s_blocksize); } else { - elen = (etype << 30) | (elen + (count << sb->s_blocksize_bits)); + elen = (etype << 30) | + (elen + + (count << sb->s_blocksize_bits)); start += count; count = 0; } udf_write_aext(table, &oepos, eloc, elen, 1); } else if (eloc.logicalBlockNum == (end + 1)) { - if ((0x3FFFFFFF - elen) < (count << sb->s_blocksize_bits)) { - count -= ((0x3FFFFFFF - elen) >> sb->s_blocksize_bits); - end -= ((0x3FFFFFFF - elen) >> sb->s_blocksize_bits); - eloc.logicalBlockNum -= ((0x3FFFFFFF - elen) >> sb->s_blocksize_bits); - elen = (etype << 30) | (0x40000000 - sb->s_blocksize); + if ((0x3FFFFFFF - elen) < + (count << sb->s_blocksize_bits)) { + uint32_t tmp = ((0x3FFFFFFF - elen) >> + sb->s_blocksize_bits); + count -= tmp; + end -= tmp; + eloc.logicalBlockNum -= tmp; + elen = (etype << 30) | + (0x40000000 - sb->s_blocksize); } else { eloc.logicalBlockNum = start; - elen = (etype << 30) | (elen + (count << sb->s_blocksize_bits)); + elen = (etype << 30) | + (elen + + (count << sb->s_blocksize_bits)); end -= count; count = 0; } @@ -492,9 +520,9 @@ static void udf_table_free_blocks(struct super_block *sb, if (count) { /* - * NOTE: we CANNOT use udf_add_aext here, as it can try to allocate - * a new block, and since we hold the super block lock already - * very bad things would happen :) + * NOTE: we CANNOT use udf_add_aext here, as it can try to + * allocate a new block, and since we hold the super block + * lock already very bad things would happen :) * * We copy the behavior of udf_add_aext, but instead of * trying to allocate a new block close to the existing one, @@ -535,27 +563,35 @@ static void udf_table_free_blocks(struct super_block *sb, eloc.logicalBlockNum++; elen -= sb->s_blocksize; - if (!(epos.bh = udf_tread(sb, udf_get_lb_pblock(sb, epos.block, 0)))) { + epos.bh = udf_tread(sb, + udf_get_lb_pblock(sb, epos.block, 0)); + if (!epos.bh) { brelse(oepos.bh); goto error_return; } aed = (struct allocExtDesc *)(epos.bh->b_data); - aed->previousAllocExtLocation = cpu_to_le32(oepos.block.logicalBlockNum); + aed->previousAllocExtLocation = + cpu_to_le32(oepos.block.logicalBlockNum); if (epos.offset + adsize > sb->s_blocksize) { loffset = epos.offset; aed->lengthAllocDescs = cpu_to_le32(adsize); sptr = UDF_I_DATA(table) + epos.offset - adsize; - dptr = epos.bh->b_data + sizeof(struct allocExtDesc); + dptr = epos.bh->b_data + + sizeof(struct allocExtDesc); memcpy(dptr, sptr, adsize); - epos.offset = sizeof(struct allocExtDesc) + adsize; + epos.offset = sizeof(struct allocExtDesc) + + adsize; } else { loffset = epos.offset + adsize; aed->lengthAllocDescs = cpu_to_le32(0); if (oepos.bh) { sptr = oepos.bh->b_data + epos.offset; - aed = (struct allocExtDesc *)oepos.bh->b_data; + aed = (struct allocExtDesc *) + oepos.bh->b_data; aed->lengthAllocDescs = - cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize); + cpu_to_le32(le32_to_cpu( + aed->lengthAllocDescs) + + adsize); } else { sptr = UDF_I_DATA(table) + epos.offset; UDF_I_LENALLOC(table) += adsize; @@ -564,27 +600,31 @@ static void udf_table_free_blocks(struct super_block *sb, epos.offset = sizeof(struct allocExtDesc); } if (sbi->s_udfrev >= 0x0200) - udf_new_tag(epos.bh->b_data, TAG_IDENT_AED, 3, 1, - epos.block.logicalBlockNum, sizeof(tag)); + udf_new_tag(epos.bh->b_data, TAG_IDENT_AED, + 3, 1, epos.block.logicalBlockNum, + sizeof(tag)); else - udf_new_tag(epos.bh->b_data, TAG_IDENT_AED, 2, 1, - epos.block.logicalBlockNum, sizeof(tag)); + udf_new_tag(epos.bh->b_data, TAG_IDENT_AED, + 2, 1, epos.block.logicalBlockNum, + sizeof(tag)); switch (UDF_I_ALLOCTYPE(table)) { - case ICBTAG_FLAG_AD_SHORT: - sad = (short_ad *)sptr; - sad->extLength = cpu_to_le32( - EXT_NEXT_EXTENT_ALLOCDECS | - sb->s_blocksize); - sad->extPosition = cpu_to_le32(epos.block.logicalBlockNum); - break; - case ICBTAG_FLAG_AD_LONG: - lad = (long_ad *)sptr; - lad->extLength = cpu_to_le32( - EXT_NEXT_EXTENT_ALLOCDECS | - sb->s_blocksize); - lad->extLocation = cpu_to_lelb(epos.block); - break; + case ICBTAG_FLAG_AD_SHORT: + sad = (short_ad *)sptr; + sad->extLength = cpu_to_le32( + EXT_NEXT_EXTENT_ALLOCDECS | + sb->s_blocksize); + sad->extPosition = + cpu_to_le32(epos.block.logicalBlockNum); + break; + case ICBTAG_FLAG_AD_LONG: + lad = (long_ad *)sptr; + lad->extLength = cpu_to_le32( + EXT_NEXT_EXTENT_ALLOCDECS | + sb->s_blocksize); + lad->extLocation = + cpu_to_lelb(epos.block); + break; } if (oepos.bh) { udf_update_tag(oepos.bh->b_data, loffset); @@ -594,7 +634,8 @@ static void udf_table_free_blocks(struct super_block *sb, } } - if (elen) { /* It's possible that stealing the block emptied the extent */ + /* It's possible that stealing the block emptied the extent */ + if (elen) { udf_write_aext(table, &epos, eloc, elen, 1); if (!epos.bh) { @@ -603,7 +644,8 @@ static void udf_table_free_blocks(struct super_block *sb, } else { aed = (struct allocExtDesc *)epos.bh->b_data; aed->lengthAllocDescs = - cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize); + cpu_to_le32(le32_to_cpu( + aed->lengthAllocDescs) + adsize); udf_update_tag(epos.bh->b_data, epos.offset); mark_buffer_dirty(epos.bh); } @@ -631,7 +673,8 @@ static int udf_table_prealloc_blocks(struct super_block *sb, struct extent_position epos; int8_t etype = -1; - if (first_block < 0 || first_block >= sbi->s_partmaps[partition].s_partition_len) + if (first_block < 0 || + first_block >= sbi->s_partmaps[partition].s_partition_len) return 0; if (UDF_I_ALLOCTYPE(table) == ICBTAG_FLAG_AD_SHORT) @@ -658,16 +701,18 @@ static int udf_table_prealloc_blocks(struct super_block *sb, epos.offset -= adsize; alloc_count = (elen >> sb->s_blocksize_bits); - if (inode && DQUOT_PREALLOC_BLOCK(inode, alloc_count > block_count ? block_count : alloc_count)) { + if (inode && DQUOT_PREALLOC_BLOCK(inode, + alloc_count > block_count ? block_count : alloc_count)) alloc_count = 0; - } else if (alloc_count > block_count) { + else if (alloc_count > block_count) { alloc_count = block_count; eloc.logicalBlockNum += alloc_count; elen -= (alloc_count << sb->s_blocksize_bits); - udf_write_aext(table, &epos, eloc, (etype << 30) | elen, 1); - } else { - udf_delete_aext(table, epos, eloc, (etype << 30) | elen); - } + udf_write_aext(table, &epos, eloc, + (etype << 30) | elen, 1); + } else + udf_delete_aext(table, epos, eloc, + (etype << 30) | elen); } else { alloc_count = 0; } @@ -711,10 +756,10 @@ static int udf_table_new_block(struct super_block *sb, if (goal < 0 || goal >= sbi->s_partmaps[partition].s_partition_len) goal = 0; - /* We search for the closest matching block to goal. If we find a exact hit, - we stop. Otherwise we keep going till we run out of extents. - We store the buffer_head, bloc, and extoffset of the current closest - match and use that when we are done. + /* We search for the closest matching block to goal. If we find + a exact hit, we stop. Otherwise we keep going till we run out + of extents. We store the buffer_head, bloc, and extoffset + of the current closest match and use that when we are done. */ epos.offset = sizeof(struct unallocSpaceEntry); epos.block = UDF_I_LOCATION(table); @@ -723,7 +768,8 @@ static int udf_table_new_block(struct super_block *sb, while (spread && (etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) { if (goal >= eloc.logicalBlockNum) { - if (goal < eloc.logicalBlockNum + (elen >> sb->s_blocksize_bits)) + if (goal < eloc.logicalBlockNum + + (elen >> sb->s_blocksize_bits)) nspread = 0; else nspread = goal - eloc.logicalBlockNum - @@ -825,52 +871,53 @@ inline int udf_prealloc_blocks(struct super_block *sb, { struct udf_part_map *map = &UDF_SB(sb)->s_partmaps[partition]; - if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP) { + if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP) return udf_bitmap_prealloc_blocks(sb, inode, map->s_uspace.s_bitmap, - partition, first_block, block_count); - } else if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE) { + partition, first_block, + block_count); + else if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE) return udf_table_prealloc_blocks(sb, inode, map->s_uspace.s_table, - partition, first_block, block_count); - } else if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP) { + partition, first_block, + block_count); + else if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP) return udf_bitmap_prealloc_blocks(sb, inode, map->s_fspace.s_bitmap, - partition, first_block, block_count); - } else if (map->s_partition_flags & UDF_PART_FLAG_FREED_TABLE) { + partition, first_block, + block_count); + else if (map->s_partition_flags & UDF_PART_FLAG_FREED_TABLE) return udf_table_prealloc_blocks(sb, inode, map->s_fspace.s_table, - partition, first_block, block_count); - } else { + partition, first_block, + block_count); + else return 0; - } } inline int udf_new_block(struct super_block *sb, struct inode *inode, uint16_t partition, uint32_t goal, int *err) { - int ret; struct udf_part_map *map = &UDF_SB(sb)->s_partmaps[partition]; - if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP) { - ret = udf_bitmap_new_block(sb, inode, + if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_BITMAP) + return udf_bitmap_new_block(sb, inode, map->s_uspace.s_bitmap, partition, goal, err); - return ret; - } else if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE) { + else if (map->s_partition_flags & UDF_PART_FLAG_UNALLOC_TABLE) return udf_table_new_block(sb, inode, map->s_uspace.s_table, partition, goal, err); - } else if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP) { + else if (map->s_partition_flags & UDF_PART_FLAG_FREED_BITMAP) return udf_bitmap_new_block(sb, inode, map->s_fspace.s_bitmap, partition, goal, err); - } else if (map->s_partition_flags & UDF_PART_FLAG_FREED_TABLE) { + else if (map->s_partition_flags & UDF_PART_FLAG_FREED_TABLE) return udf_table_new_block(sb, inode, map->s_fspace.s_table, partition, goal, err); - } else { + else { *err = -EIO; return 0; } |