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authorMarcin Slusarz <marcin.slusarz@gmail.com>2008-02-08 04:20:36 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-08 09:22:35 -0800
commit4b11111aba6c80cc2969fd1806d2a869bfc9f357 (patch)
tree57b72a1ca58859dc6a9e47d647f29cebb9bcf7e0 /fs/udf/balloc.c
parentbd45a420f93d18c91115f3f0568dd6a2555aa15a (diff)
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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.c231
1 files changed, 139 insertions, 92 deletions
diff --git a/fs/udf/balloc.c b/fs/udf/balloc.c
index 3f67d9dc863..dc9f8a96b6e 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;
}