summaryrefslogtreecommitdiff
path: root/fs/udf/balloc.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/udf/balloc.c')
-rw-r--r--fs/udf/balloc.c420
1 files changed, 161 insertions, 259 deletions
diff --git a/fs/udf/balloc.c b/fs/udf/balloc.c
index ef48d094dd2..276f7207a56 100644
--- a/fs/udf/balloc.c
+++ b/fs/udf/balloc.c
@@ -70,9 +70,9 @@ static inline int find_next_one_bit(void *addr, int size, int offset)
if (!size)
return result;
tmp = leBPL_to_cpup(p);
- found_first:
+found_first:
tmp &= ~0UL >> (BITS_PER_LONG - size);
- found_middle:
+found_middle:
return result + ffz(~tmp);
}
@@ -110,11 +110,11 @@ static int __load_block_bitmap(struct super_block *sb,
nr_groups);
}
- if (bitmap->s_block_bitmap[block_group])
+ if (bitmap->s_block_bitmap[block_group]) {
return block_group;
- else {
- retval =
- read_block_bitmap(sb, bitmap, block_group, block_group);
+ } else {
+ retval = read_block_bitmap(sb, bitmap, block_group,
+ block_group);
if (retval < 0)
return retval;
return block_group;
@@ -155,22 +155,16 @@ static void udf_bitmap_free_blocks(struct super_block *sb,
mutex_lock(&sbi->s_alloc_mutex);
if (bloc.logicalBlockNum < 0 ||
- (bloc.logicalBlockNum + count) > UDF_SB_PARTLEN(sb,
- bloc.
- partitionReferenceNum))
- {
- udf_debug("%d < %d || %d + %d > %d\n", bloc.logicalBlockNum, 0,
- bloc.logicalBlockNum, count, UDF_SB_PARTLEN(sb,
- bloc.
- partitionReferenceNum));
+ (bloc.logicalBlockNum + count) > UDF_SB_PARTLEN(sb, bloc.partitionReferenceNum)) {
+ udf_debug("%d < %d || %d + %d > %d\n",
+ bloc.logicalBlockNum, 0, bloc.logicalBlockNum, count,
+ UDF_SB_PARTLEN(sb, bloc.partitionReferenceNum));
goto error_return;
}
- block =
- bloc.logicalBlockNum + offset +
- (sizeof(struct spaceBitmapDesc) << 3);
+ block = bloc.logicalBlockNum + offset + (sizeof(struct spaceBitmapDesc) << 3);
- do_more:
+do_more:
overflow = 0;
block_group = block >> (sb->s_blocksize_bits + 3);
bit = block % (sb->s_blocksize << 3);
@@ -190,18 +184,13 @@ static void udf_bitmap_free_blocks(struct super_block *sb,
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);
if (UDF_SB_LVIDBH(sb)) {
- UDF_SB_LVID(sb)->
- freeSpaceTable[UDF_SB_PARTITION(sb)] =
- cpu_to_le32(le32_to_cpu
- (UDF_SB_LVID(sb)->
- freeSpaceTable[UDF_SB_PARTITION
- (sb)]) + 1);
+ UDF_SB_LVID(sb)->freeSpaceTable[UDF_SB_PARTITION(sb)] =
+ cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[UDF_SB_PARTITION(sb)]) + 1);
}
}
}
@@ -211,7 +200,7 @@ static void udf_bitmap_free_blocks(struct super_block *sb,
count = overflow;
goto do_more;
}
- error_return:
+error_return:
sb->s_dirt = 1;
if (UDF_SB_LVIDBH(sb))
mark_buffer_dirty(UDF_SB_LVIDBH(sb));
@@ -238,7 +227,7 @@ static int udf_bitmap_prealloc_blocks(struct super_block *sb,
if (first_block + block_count > UDF_SB_PARTLEN(sb, partition))
block_count = UDF_SB_PARTLEN(sb, partition) - first_block;
- repeat:
+repeat:
nr_groups = (UDF_SB_PARTLEN(sb, partition) +
(sizeof(struct spaceBitmapDesc) << 3) +
(sb->s_blocksize * 8) - 1) / (sb->s_blocksize * 8);
@@ -254,11 +243,11 @@ static int udf_bitmap_prealloc_blocks(struct super_block *sb,
bit = block % (sb->s_blocksize << 3);
while (bit < (sb->s_blocksize << 3) && block_count > 0) {
- if (!udf_test_bit(bit, bh->b_data))
+ if (!udf_test_bit(bit, bh->b_data)) {
goto out;
- else if (DQUOT_PREALLOC_BLOCK(inode, 1))
+ } else if (DQUOT_PREALLOC_BLOCK(inode, 1)) {
goto out;
- else if (!udf_clear_bit(bit, bh->b_data)) {
+ } else if (!udf_clear_bit(bit, bh->b_data)) {
udf_debug("bit already cleared for block %d\n", bit);
DQUOT_FREE_BLOCK(inode, 1);
goto out;
@@ -271,12 +260,10 @@ static int udf_bitmap_prealloc_blocks(struct super_block *sb,
mark_buffer_dirty(bh);
if (block_count > 0)
goto repeat;
- out:
+out:
if (UDF_SB_LVIDBH(sb)) {
UDF_SB_LVID(sb)->freeSpaceTable[partition] =
- cpu_to_le32(le32_to_cpu
- (UDF_SB_LVID(sb)->freeSpaceTable[partition]) -
- alloc_count);
+ cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[partition]) - alloc_count);
mark_buffer_dirty(UDF_SB_LVIDBH(sb));
}
sb->s_dirt = 1;
@@ -299,7 +286,7 @@ static int udf_bitmap_new_block(struct super_block *sb,
*err = -ENOSPC;
mutex_lock(&sbi->s_alloc_mutex);
- repeat:
+repeat:
if (goal < 0 || goal >= UDF_SB_PARTLEN(sb, partition))
goal = 0;
@@ -312,31 +299,27 @@ static int udf_bitmap_new_block(struct super_block *sb,
if (bitmap_nr < 0)
goto error_return;
bh = bitmap->s_block_bitmap[bitmap_nr];
- ptr =
- memscan((char *)bh->b_data + group_start, 0xFF,
- sb->s_blocksize - group_start);
+ ptr = memscan((char *)bh->b_data + group_start, 0xFF,
+ sb->s_blocksize - group_start);
if ((ptr - ((char *)bh->b_data)) < sb->s_blocksize) {
bit = block % (sb->s_blocksize << 3);
-
- if (udf_test_bit(bit, bh->b_data)) {
+ if (udf_test_bit(bit, bh->b_data))
goto got_block;
- }
+
end_goal = (bit + 63) & ~63;
bit = udf_find_next_one_bit(bh->b_data, end_goal, bit);
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;
@@ -354,18 +337,16 @@ static int udf_bitmap_new_block(struct super_block *sb,
goto error_return;
bh = bitmap->s_block_bitmap[bitmap_nr];
if (i < nr_groups) {
- ptr =
- memscan((char *)bh->b_data + group_start, 0xFF,
- sb->s_blocksize - group_start);
+ ptr = memscan((char *)bh->b_data + group_start, 0xFF,
+ sb->s_blocksize - group_start);
if ((ptr - ((char *)bh->b_data)) < sb->s_blocksize) {
bit = (ptr - ((char *)bh->b_data)) << 3;
break;
}
} else {
- bit =
- udf_find_next_one_bit((char *)bh->b_data,
- sb->s_blocksize << 3,
- group_start << 3);
+ bit = udf_find_next_one_bit((char *)bh->b_data,
+ sb->s_blocksize << 3,
+ group_start << 3);
if (bit < sb->s_blocksize << 3)
break;
}
@@ -377,20 +358,17 @@ static int udf_bitmap_new_block(struct super_block *sb,
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--) ;
+search_back:
+ for (i = 0; i < 7 && bit > (group_start << 3) && udf_test_bit(bit - 1, bh->b_data); i++, bit--)
+ ; /* empty loop */
- got_block:
+got_block:
/*
* Check quota for allocation of this block.
@@ -402,7 +380,7 @@ static int udf_bitmap_new_block(struct super_block *sb,
}
newblock = bit + (block_group << (sb->s_blocksize_bits + 3)) -
- (sizeof(struct spaceBitmapDesc) << 3);
+ (sizeof(struct spaceBitmapDesc) << 3);
if (!udf_clear_bit(bit, bh->b_data)) {
udf_debug("bit already cleared for block %d\n", bit);
@@ -413,9 +391,7 @@ static int udf_bitmap_new_block(struct super_block *sb,
if (UDF_SB_LVIDBH(sb)) {
UDF_SB_LVID(sb)->freeSpaceTable[partition] =
- cpu_to_le32(le32_to_cpu
- (UDF_SB_LVID(sb)->freeSpaceTable[partition]) -
- 1);
+ cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[partition]) - 1);
mark_buffer_dirty(UDF_SB_LVIDBH(sb));
}
sb->s_dirt = 1;
@@ -423,7 +399,7 @@ static int udf_bitmap_new_block(struct super_block *sb,
*err = 0;
return newblock;
- error_return:
+error_return:
*err = -EIO;
mutex_unlock(&sbi->s_alloc_mutex);
return 0;
@@ -445,14 +421,10 @@ static void udf_table_free_blocks(struct super_block *sb,
mutex_lock(&sbi->s_alloc_mutex);
if (bloc.logicalBlockNum < 0 ||
- (bloc.logicalBlockNum + count) > UDF_SB_PARTLEN(sb,
- bloc.
- partitionReferenceNum))
- {
- udf_debug("%d < %d || %d + %d > %d\n", bloc.logicalBlockNum, 0,
- bloc.logicalBlockNum, count, UDF_SB_PARTLEN(sb,
- bloc.
- partitionReferenceNum));
+ (bloc.logicalBlockNum + count) > UDF_SB_PARTLEN(sb, bloc.partitionReferenceNum)) {
+ udf_debug("%d < %d || %d + %d > %d\n",
+ bloc.logicalBlockNum, 0, bloc.logicalBlockNum, count,
+ UDF_SB_PARTLEN(sb, bloc.partitionReferenceNum));
goto error_return;
}
@@ -462,9 +434,7 @@ static void udf_table_free_blocks(struct super_block *sb,
DQUOT_FREE_BLOCK(inode, count);
if (UDF_SB_LVIDBH(sb)) {
UDF_SB_LVID(sb)->freeSpaceTable[UDF_SB_PARTITION(sb)] =
- cpu_to_le32(le32_to_cpu
- (UDF_SB_LVID(sb)->
- freeSpaceTable[UDF_SB_PARTITION(sb)]) + count);
+ cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[UDF_SB_PARTITION(sb)]) + count);
mark_buffer_dirty(UDF_SB_LVIDBH(sb));
}
@@ -476,47 +446,28 @@ static void udf_table_free_blocks(struct super_block *sb,
epos.block = oepos.block = UDF_I_LOCATION(table);
epos.bh = oepos.bh = NULL;
- 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);
+ 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);
} 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)) {
+ 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);
} 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;
}
@@ -530,21 +481,23 @@ static void udf_table_free_blocks(struct super_block *sb,
get_bh(epos.bh);
oepos.bh = epos.bh;
oepos.offset = 0;
- } else
+ } else {
oepos.offset = epos.offset;
+ }
}
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 :)
-
- We copy the behavior of udf_add_aext, but instead of
- trying to allocate a new block close to the existing one,
- we just steal a block from the extent we are trying to add.
-
- It would be nice if the blocks were close together, but it
- isn't required.
+ /*
+ * 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,
+ * we just steal a block from the extent we are trying to add.
+ *
+ * It would be nice if the blocks were close together, but it
+ * isn't required.
*/
int adsize;
@@ -553,13 +506,14 @@ static void udf_table_free_blocks(struct super_block *sb,
struct allocExtDesc *aed;
eloc.logicalBlockNum = start;
- elen = EXT_RECORDED_ALLOCATED | (count << sb->s_blocksize_bits);
+ elen = EXT_RECORDED_ALLOCATED |
+ (count << sb->s_blocksize_bits);
- if (UDF_I_ALLOCTYPE(table) == ICBTAG_FLAG_AD_SHORT)
+ if (UDF_I_ALLOCTYPE(table) == ICBTAG_FLAG_AD_SHORT) {
adsize = sizeof(short_ad);
- else if (UDF_I_ALLOCTYPE(table) == ICBTAG_FLAG_AD_LONG)
+ } else if (UDF_I_ALLOCTYPE(table) == ICBTAG_FLAG_AD_LONG) {
adsize = sizeof(long_ad);
- else {
+ } else {
brelse(oepos.bh);
brelse(epos.bh);
goto error_return;
@@ -577,28 +531,21 @@ 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)))) {
+ if (!(epos.bh = udf_tread(sb, udf_get_lb_pblock(sb, epos.block, 0)))) {
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(inode) + epos.offset -
- udf_file_entry_alloc_offset(inode) +
- UDF_I_LENEATTR(inode) - adsize;
- dptr =
- epos.bh->b_data +
- sizeof(struct allocExtDesc);
+ udf_file_entry_alloc_offset(inode) +
+ UDF_I_LENEATTR(inode) - adsize;
+ 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);
@@ -606,60 +553,46 @@ static void udf_table_free_blocks(struct super_block *sb,
epos.offset = sizeof(struct allocExtDesc);
if (oepos.bh) {
- 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 {
UDF_I_LENALLOC(table) += adsize;
mark_inode_dirty(table);
}
}
if (UDF_SB_UDFREV(sb) >= 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);
+ 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);
+ 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);
mark_buffer_dirty(oepos.bh);
- } else
+ } else {
mark_inode_dirty(table);
+ }
}
- if (elen) { /* It's possible that stealing the block emptied the extent */
+ if (elen) { /* It's possible that stealing the block emptied the extent */
udf_write_aext(table, &epos, eloc, elen, 1);
if (!epos.bh) {
@@ -668,9 +601,7 @@ 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);
}
@@ -680,7 +611,7 @@ static void udf_table_free_blocks(struct super_block *sb,
brelse(epos.bh);
brelse(oepos.bh);
- error_return:
+error_return:
sb->s_dirt = 1;
mutex_unlock(&sbi->s_alloc_mutex);
return;
@@ -714,47 +645,36 @@ static int udf_table_prealloc_blocks(struct super_block *sb,
epos.bh = NULL;
eloc.logicalBlockNum = 0xFFFFFFFF;
- while (first_block != eloc.logicalBlockNum && (etype =
- udf_next_aext(table,
- &epos,
- &eloc,
- &elen,
- 1)) !=
- -1) {
+ while (first_block != eloc.logicalBlockNum &&
+ (etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) {
udf_debug("eloc=%d, elen=%d, first_block=%d\n",
eloc.logicalBlockNum, elen, first_block);
- ; /* empty loop body */
+ ; /* empty loop body */
}
if (first_block == eloc.logicalBlockNum) {
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);
- } else
+ udf_write_aext(table, &epos, eloc, (etype << 30) | elen, 1);
+ } else {
+ udf_delete_aext(table, epos, eloc, (etype << 30) | elen);
+ }
+ } else {
alloc_count = 0;
+ }
brelse(epos.bh);
if (alloc_count && UDF_SB_LVIDBH(sb)) {
UDF_SB_LVID(sb)->freeSpaceTable[partition] =
- cpu_to_le32(le32_to_cpu
- (UDF_SB_LVID(sb)->freeSpaceTable[partition]) -
- alloc_count);
+ cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[partition]) - alloc_count);
mark_buffer_dirty(UDF_SB_LVIDBH(sb));
sb->s_dirt = 1;
}
@@ -797,18 +717,17 @@ static int udf_table_new_block(struct super_block *sb,
epos.block = UDF_I_LOCATION(table);
epos.bh = goal_epos.bh = NULL;
- while (spread && (etype =
- udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) {
+ 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 -
- (elen >> sb->s_blocksize_bits);
- } else
+ (elen >> sb->s_blocksize_bits);
+ } else {
nspread = eloc.logicalBlockNum - goal;
+ }
if (nspread < spread) {
spread = nspread;
@@ -856,9 +775,7 @@ static int udf_table_new_block(struct super_block *sb,
if (UDF_SB_LVIDBH(sb)) {
UDF_SB_LVID(sb)->freeSpaceTable[partition] =
- cpu_to_le32(le32_to_cpu
- (UDF_SB_LVID(sb)->freeSpaceTable[partition]) -
- 1);
+ cpu_to_le32(le32_to_cpu(UDF_SB_LVID(sb)->freeSpaceTable[partition]) - 1);
mark_buffer_dirty(UDF_SB_LVIDBH(sb));
}
@@ -877,27 +794,23 @@ inline void udf_free_blocks(struct super_block *sb,
if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_BITMAP) {
return udf_bitmap_free_blocks(sb, inode,
- UDF_SB_PARTMAPS(sb)[partition].
- s_uspace.s_bitmap, bloc, offset,
- count);
- } else if (UDF_SB_PARTFLAGS(sb, partition) &
- UDF_PART_FLAG_UNALLOC_TABLE) {
+ UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_bitmap,
+ bloc, offset, count);
+ } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_TABLE) {
return udf_table_free_blocks(sb, inode,
- UDF_SB_PARTMAPS(sb)[partition].
- s_uspace.s_table, bloc, offset,
- count);
+ UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_table,
+ bloc, offset, count);
} else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_BITMAP) {
return udf_bitmap_free_blocks(sb, inode,
- UDF_SB_PARTMAPS(sb)[partition].
- s_fspace.s_bitmap, bloc, offset,
- count);
+ UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_bitmap,
+ bloc, offset, count);
} else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_TABLE) {
return udf_table_free_blocks(sb, inode,
- UDF_SB_PARTMAPS(sb)[partition].
- s_fspace.s_table, bloc, offset,
- count);
- } else
+ UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_table,
+ bloc, offset, count);
+ } else {
return;
+ }
}
inline int udf_prealloc_blocks(struct super_block *sb,
@@ -907,29 +820,23 @@ inline int udf_prealloc_blocks(struct super_block *sb,
{
if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_BITMAP) {
return udf_bitmap_prealloc_blocks(sb, inode,
- UDF_SB_PARTMAPS(sb)
- [partition].s_uspace.s_bitmap,
- partition, first_block,
- block_count);
- } else if (UDF_SB_PARTFLAGS(sb, partition) &
- UDF_PART_FLAG_UNALLOC_TABLE) {
+ UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_bitmap,
+ partition, first_block, block_count);
+ } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_TABLE) {
return udf_table_prealloc_blocks(sb, inode,
- UDF_SB_PARTMAPS(sb)[partition].
- s_uspace.s_table, partition,
- first_block, block_count);
+ UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_table,
+ partition, first_block, block_count);
} else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_BITMAP) {
return udf_bitmap_prealloc_blocks(sb, inode,
- UDF_SB_PARTMAPS(sb)
- [partition].s_fspace.s_bitmap,
- partition, first_block,
- block_count);
+ UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_bitmap,
+ partition, first_block, block_count);
} else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_TABLE) {
return udf_table_prealloc_blocks(sb, inode,
- UDF_SB_PARTMAPS(sb)[partition].
- s_fspace.s_table, partition,
- first_block, block_count);
- } else
+ UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_table,
+ partition, first_block, block_count);
+ } else {
return 0;
+ }
}
inline int udf_new_block(struct super_block *sb,
@@ -940,26 +847,21 @@ inline int udf_new_block(struct super_block *sb,
if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_BITMAP) {
ret = udf_bitmap_new_block(sb, inode,
- UDF_SB_PARTMAPS(sb)[partition].
- s_uspace.s_bitmap, partition, goal,
- err);
+ UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_bitmap,
+ partition, goal, err);
return ret;
- } else if (UDF_SB_PARTFLAGS(sb, partition) &
- UDF_PART_FLAG_UNALLOC_TABLE) {
+ } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_TABLE) {
return udf_table_new_block(sb, inode,
- UDF_SB_PARTMAPS(sb)[partition].
- s_uspace.s_table, partition, goal,
- err);
+ UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_table,
+ partition, goal, err);
} else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_BITMAP) {
return udf_bitmap_new_block(sb, inode,
- UDF_SB_PARTMAPS(sb)[partition].
- s_fspace.s_bitmap, partition, goal,
- err);
+ UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_bitmap,
+ partition, goal, err);
} else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_FREED_TABLE) {
return udf_table_new_block(sb, inode,
- UDF_SB_PARTMAPS(sb)[partition].
- s_fspace.s_table, partition, goal,
- err);
+ UDF_SB_PARTMAPS(sb)[partition].s_fspace.s_table,
+ partition, goal, err);
} else {
*err = -EIO;
return 0;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-19 18:19:17 +0000