nobh Do not attach buffer_heads to file pagecache.
-grpquota,noquota,quota,usrquota Quota options are silently ignored by ext2.
+quota, usrquota Enable user disk quota support
+ (requires CONFIG_QUOTA).
+
+grpquota Enable group disk quota support
+ (requires CONFIG_QUOTA).
+
+noquota option ls silently ignored by ext2.
Specification
/*
* Returns 1 if the passed-in block region is valid; 0 if some part overlaps
- * with filesystem metadata blocksi.
+ * with filesystem metadata blocks.
*/
int ext2_data_block_valid(struct ext2_sb_info *sbi, ext2_fsblk_t start_blk,
unsigned int count)
(start_blk + count >= sbi->s_sb_block))
return 0;
-
return 1;
}
struct backing_dev_info *bdi;
bdi = inode_to_bdi(inode);
- if (bdi_read_congested(bdi))
- return;
- if (bdi_write_congested(bdi))
+ if (bdi_rw_congested(bdi))
return;
block_group = (inode->i_ino - 1) / EXT2_INODES_PER_GROUP(inode->i_sb);
/*
* Scanned all blockgroups.
*/
+ brelse(bitmap_bh);
err = -ENOSPC;
goto fail;
got:
struct inode *ext2_iget (struct super_block *sb, unsigned long ino)
{
struct ext2_inode_info *ei;
- struct buffer_head * bh;
+ struct buffer_head * bh = NULL;
struct ext2_inode *raw_inode;
struct inode *inode;
long ret = -EIO;
*/
if (inode->i_nlink == 0 && (inode->i_mode == 0 || ei->i_dtime)) {
/* this inode is deleted */
- brelse (bh);
ret = -ESTALE;
goto bad_inode;
}
!ext2_data_block_valid(EXT2_SB(sb), ei->i_file_acl, 1)) {
ext2_error(sb, "ext2_iget", "bad extended attribute block %u",
ei->i_file_acl);
- brelse(bh);
ret = -EFSCORRUPTED;
goto bad_inode;
}
return inode;
bad_inode:
+ brelse(bh);
iget_failed(inode);
return ERR_PTR(ret);
}
}
int ext2_getattr(const struct path *path, struct kstat *stat,
- u32 request_mask, unsigned int query_falgs)
+ u32 request_mask, unsigned int query_flags)
{
struct inode *inode = d_inode(path->dentry);
struct ext2_inode_info *ei = EXT2_I(inode);
if (test_opt(sb, NOBH))
seq_puts(seq, ",nobh");
- if (sbi->s_mount_opt & EXT2_MOUNT_USRQUOTA)
+ if (test_opt(sb, USRQUOTA))
seq_puts(seq, ",usrquota");
- if (sbi->s_mount_opt & EXT2_MOUNT_GRPQUOTA)
+ if (test_opt(sb, GRPQUOTA))
seq_puts(seq, ",grpquota");
- if (sbi->s_mount_opt & EXT2_MOUNT_XIP)
+ if (test_opt(sb, XIP))
seq_puts(seq, ",xip");
- if (sbi->s_mount_opt & EXT2_MOUNT_DAX)
+ if (test_opt(sb, DAX))
seq_puts(seq, ",dax");
if (!test_opt(sb, RESERVATION))
sbi->s_resgid = opts.s_resgid;
sb->s_flags = (sb->s_flags & ~SB_POSIXACL) |
- ((EXT2_SB(sb)->s_mount_opt & EXT2_MOUNT_POSIX_ACL) ?
- SB_POSIXACL : 0);
+ (test_opt(sb, POSIX_ACL) ? SB_POSIXACL : 0);
sb->s_iflags |= SB_I_CGROUPWB;
if (le32_to_cpu(es->s_rev_level) == EXT2_GOOD_OLD_REV &&
blocksize = BLOCK_SIZE << le32_to_cpu(sbi->s_es->s_log_block_size);
- if (sbi->s_mount_opt & EXT2_MOUNT_DAX) {
+ if (test_opt(sb, DAX)) {
if (!bdev_dax_supported(sb->s_bdev, blocksize)) {
ext2_msg(sb, KERN_ERR,
"DAX unsupported by block device. Turning off DAX.");
- sbi->s_mount_opt &= ~EXT2_MOUNT_DAX;
+ clear_opt(sbi->s_mount_opt, DAX);
}
}
sbi->s_resuid = new_opts.s_resuid;
sbi->s_resgid = new_opts.s_resgid;
sb->s_flags = (sb->s_flags & ~SB_POSIXACL) |
- ((sbi->s_mount_opt & EXT2_MOUNT_POSIX_ACL) ? SB_POSIXACL : 0);
+ (test_opt(sb, POSIX_ACL) ? SB_POSIXACL : 0);
spin_unlock(&sbi->s_lock);
return 0;
return handler;
}
+static bool
+ext2_xattr_header_valid(struct ext2_xattr_header *header)
+{
+ if (header->h_magic != cpu_to_le32(EXT2_XATTR_MAGIC) ||
+ header->h_blocks != cpu_to_le32(1))
+ return false;
+
+ return true;
+}
+
+static bool
+ext2_xattr_entry_valid(struct ext2_xattr_entry *entry,
+ char *end, size_t end_offs)
+{
+ struct ext2_xattr_entry *next;
+ size_t size;
+
+ next = EXT2_XATTR_NEXT(entry);
+ if ((char *)next >= end)
+ return false;
+
+ if (entry->e_value_block != 0)
+ return false;
+
+ size = le32_to_cpu(entry->e_value_size);
+ if (size > end_offs ||
+ le16_to_cpu(entry->e_value_offs) + size > end_offs)
+ return false;
+
+ return true;
+}
+
+static int
+ext2_xattr_cmp_entry(int name_index, size_t name_len, const char *name,
+ struct ext2_xattr_entry *entry)
+{
+ int cmp;
+
+ cmp = name_index - entry->e_name_index;
+ if (!cmp)
+ cmp = name_len - entry->e_name_len;
+ if (!cmp)
+ cmp = memcmp(name, entry->e_name, name_len);
+
+ return cmp;
+}
+
/*
* ext2_xattr_get()
*
struct ext2_xattr_entry *entry;
size_t name_len, size;
char *end;
- int error;
+ int error, not_found;
struct mb_cache *ea_block_cache = EA_BLOCK_CACHE(inode);
ea_idebug(inode, "name=%d.%s, buffer=%p, buffer_size=%ld",
ea_bdebug(bh, "b_count=%d, refcount=%d",
atomic_read(&(bh->b_count)), le32_to_cpu(HDR(bh)->h_refcount));
end = bh->b_data + bh->b_size;
- if (HDR(bh)->h_magic != cpu_to_le32(EXT2_XATTR_MAGIC) ||
- HDR(bh)->h_blocks != cpu_to_le32(1)) {
-bad_block: ext2_error(inode->i_sb, "ext2_xattr_get",
+ if (!ext2_xattr_header_valid(HDR(bh))) {
+bad_block:
+ ext2_error(inode->i_sb, "ext2_xattr_get",
"inode %ld: bad block %d", inode->i_ino,
EXT2_I(inode)->i_file_acl);
error = -EIO;
/* find named attribute */
entry = FIRST_ENTRY(bh);
while (!IS_LAST_ENTRY(entry)) {
- struct ext2_xattr_entry *next =
- EXT2_XATTR_NEXT(entry);
- if ((char *)next >= end)
+ if (!ext2_xattr_entry_valid(entry, end,
+ inode->i_sb->s_blocksize))
goto bad_block;
- if (name_index == entry->e_name_index &&
- name_len == entry->e_name_len &&
- memcmp(name, entry->e_name, name_len) == 0)
+
+ not_found = ext2_xattr_cmp_entry(name_index, name_len, name,
+ entry);
+ if (!not_found)
goto found;
- entry = next;
+ if (not_found < 0)
+ break;
+
+ entry = EXT2_XATTR_NEXT(entry);
}
if (ext2_xattr_cache_insert(ea_block_cache, bh))
ea_idebug(inode, "cache insert failed");
error = -ENODATA;
goto cleanup;
found:
- /* check the buffer size */
- if (entry->e_value_block != 0)
- goto bad_block;
size = le32_to_cpu(entry->e_value_size);
- if (size > inode->i_sb->s_blocksize ||
- le16_to_cpu(entry->e_value_offs) + size > inode->i_sb->s_blocksize)
- goto bad_block;
-
if (ext2_xattr_cache_insert(ea_block_cache, bh))
ea_idebug(inode, "cache insert failed");
if (buffer) {
ea_bdebug(bh, "b_count=%d, refcount=%d",
atomic_read(&(bh->b_count)), le32_to_cpu(HDR(bh)->h_refcount));
end = bh->b_data + bh->b_size;
- if (HDR(bh)->h_magic != cpu_to_le32(EXT2_XATTR_MAGIC) ||
- HDR(bh)->h_blocks != cpu_to_le32(1)) {
-bad_block: ext2_error(inode->i_sb, "ext2_xattr_list",
+ if (!ext2_xattr_header_valid(HDR(bh))) {
+bad_block:
+ ext2_error(inode->i_sb, "ext2_xattr_list",
"inode %ld: bad block %d", inode->i_ino,
EXT2_I(inode)->i_file_acl);
error = -EIO;
/* check the on-disk data structure */
entry = FIRST_ENTRY(bh);
while (!IS_LAST_ENTRY(entry)) {
- struct ext2_xattr_entry *next = EXT2_XATTR_NEXT(entry);
-
- if ((char *)next >= end)
+ if (!ext2_xattr_entry_valid(entry, end,
+ inode->i_sb->s_blocksize))
goto bad_block;
- entry = next;
+ entry = EXT2_XATTR_NEXT(entry);
}
if (ext2_xattr_cache_insert(ea_block_cache, bh))
ea_idebug(inode, "cache insert failed");
struct super_block *sb = inode->i_sb;
struct buffer_head *bh = NULL;
struct ext2_xattr_header *header = NULL;
- struct ext2_xattr_entry *here, *last;
+ struct ext2_xattr_entry *here = NULL, *last = NULL;
size_t name_len, free, min_offs = sb->s_blocksize;
int not_found = 1, error;
char *end;
le32_to_cpu(HDR(bh)->h_refcount));
header = HDR(bh);
end = bh->b_data + bh->b_size;
- if (header->h_magic != cpu_to_le32(EXT2_XATTR_MAGIC) ||
- header->h_blocks != cpu_to_le32(1)) {
-bad_block: ext2_error(sb, "ext2_xattr_set",
+ if (!ext2_xattr_header_valid(header)) {
+bad_block:
+ ext2_error(sb, "ext2_xattr_set",
"inode %ld: bad block %d", inode->i_ino,
EXT2_I(inode)->i_file_acl);
error = -EIO;
goto cleanup;
}
- /* Find the named attribute. */
- here = FIRST_ENTRY(bh);
- while (!IS_LAST_ENTRY(here)) {
- struct ext2_xattr_entry *next = EXT2_XATTR_NEXT(here);
- if ((char *)next >= end)
- goto bad_block;
- if (!here->e_value_block && here->e_value_size) {
- size_t offs = le16_to_cpu(here->e_value_offs);
- if (offs < min_offs)
- min_offs = offs;
- }
- not_found = name_index - here->e_name_index;
- if (!not_found)
- not_found = name_len - here->e_name_len;
- if (!not_found)
- not_found = memcmp(name, here->e_name,name_len);
- if (not_found <= 0)
- break;
- here = next;
- }
- last = here;
- /* We still need to compute min_offs and last. */
+ /*
+ * Find the named attribute. If not found, 'here' will point
+ * to entry where the new attribute should be inserted to
+ * maintain sorting.
+ */
+ last = FIRST_ENTRY(bh);
while (!IS_LAST_ENTRY(last)) {
- struct ext2_xattr_entry *next = EXT2_XATTR_NEXT(last);
- if ((char *)next >= end)
+ if (!ext2_xattr_entry_valid(last, end, sb->s_blocksize))
goto bad_block;
- if (!last->e_value_block && last->e_value_size) {
+ if (last->e_value_size) {
size_t offs = le16_to_cpu(last->e_value_offs);
if (offs < min_offs)
min_offs = offs;
}
- last = next;
+ if (not_found > 0) {
+ not_found = ext2_xattr_cmp_entry(name_index,
+ name_len,
+ name, last);
+ if (not_found <= 0)
+ here = last;
+ }
+ last = EXT2_XATTR_NEXT(last);
}
+ if (not_found > 0)
+ here = last;
/* Check whether we have enough space left. */
free = min_offs - ((char*)last - (char*)header) - sizeof(__u32);
/* We will use a new extended attribute block. */
free = sb->s_blocksize -
sizeof(struct ext2_xattr_header) - sizeof(__u32);
- here = last = NULL; /* avoid gcc uninitialized warning. */
}
if (not_found) {
error = -EEXIST;
if (flags & XATTR_CREATE)
goto cleanup;
- if (!here->e_value_block && here->e_value_size) {
- size_t size = le32_to_cpu(here->e_value_size);
-
- if (le16_to_cpu(here->e_value_offs) + size >
- sb->s_blocksize || size > sb->s_blocksize)
- goto bad_block;
- free += EXT2_XATTR_SIZE(size);
- }
+ free += EXT2_XATTR_SIZE(le32_to_cpu(here->e_value_size));
free += EXT2_XATTR_LEN(name_len);
}
error = -ENOSPC;
unlock_buffer(bh);
ea_bdebug(bh, "cloning");
- header = kmalloc(bh->b_size, GFP_KERNEL);
+ header = kmemdup(HDR(bh), bh->b_size, GFP_KERNEL);
error = -ENOMEM;
if (header == NULL)
goto cleanup;
- memcpy(header, HDR(bh), bh->b_size);
header->h_refcount = cpu_to_le32(1);
offset = (char *)here - bh->b_data;
here->e_name_len = name_len;
memcpy(here->e_name, name, name_len);
} else {
- if (!here->e_value_block && here->e_value_size) {
+ if (here->e_value_size) {
char *first_val = (char *)header + min_offs;
size_t offs = le16_to_cpu(here->e_value_offs);
char *val = (char *)header + offs;
last = ENTRY(header+1);
while (!IS_LAST_ENTRY(last)) {
size_t o = le16_to_cpu(last->e_value_offs);
- if (!last->e_value_block && o < offs)
+ if (o < offs)
last->e_value_offs =
cpu_to_le16(o + size);
last = EXT2_XATTR_NEXT(last);
goto cleanup;
}
ea_bdebug(bh, "b_count=%d", atomic_read(&(bh->b_count)));
- if (HDR(bh)->h_magic != cpu_to_le32(EXT2_XATTR_MAGIC) ||
- HDR(bh)->h_blocks != cpu_to_le32(1)) {
+ if (!ext2_xattr_header_valid(HDR(bh))) {
ext2_error(inode->i_sb, "ext2_xattr_delete_inode",
"inode %ld: bad block %d", inode->i_ino,
EXT2_I(inode)->i_file_acl);
/*
* Dquot List Management:
- * The quota code uses three lists for dquot management: the inuse_list,
- * free_dquots, and dquot_hash[] array. A single dquot structure may be
- * on all three lists, depending on its current state.
+ * The quota code uses four lists for dquot management: the inuse_list,
+ * free_dquots, dqi_dirty_list, and dquot_hash[] array. A single dquot
+ * structure may be on some of those lists, depending on its current state.
*
* All dquots are placed to the end of inuse_list when first created, and this
* list is used for invalidate operation, which must look at every dquot.
* dqstats.free_dquots gives the number of dquots on the list. When
* dquot is invalidated it's completely released from memory.
*
+ * Dirty dquots are added to the dqi_dirty_list of quota_info when mark
+ * dirtied, and this list is searched when writing dirty dquots back to
+ * quota file. Note that some filesystems do dirty dquot tracking on their
+ * own (e.g. in a journal) and thus don't use dqi_dirty_list.
+ *
* Dquots with a specific identity (device, type and id) are placed on
* one of the dquot_hash[] hash chains. The provides an efficient search
* mechanism to locate a specific dquot.
return flags;
}
-static int quota_getstate(struct super_block *sb, struct fs_quota_stat *fqs)
+static int quota_getstate(struct super_block *sb, int type,
+ struct fs_quota_stat *fqs)
{
- int type;
struct qc_state state;
int ret;
if (!fqs->qs_flags)
return -ENOSYS;
fqs->qs_incoredqs = state.s_incoredqs;
- /*
- * GETXSTATE quotactl has space for just one set of time limits so
- * report them for the first enabled quota type
- */
- for (type = 0; type < MAXQUOTAS; type++)
- if (state.s_state[type].flags & QCI_ACCT_ENABLED)
- break;
- BUG_ON(type == MAXQUOTAS);
+
fqs->qs_btimelimit = state.s_state[type].spc_timelimit;
fqs->qs_itimelimit = state.s_state[type].ino_timelimit;
fqs->qs_rtbtimelimit = state.s_state[type].rt_spc_timelimit;
return 0;
}
-static int quota_getxstate(struct super_block *sb, void __user *addr)
+static int quota_getxstate(struct super_block *sb, int type, void __user *addr)
{
struct fs_quota_stat fqs;
int ret;
if (!sb->s_qcop->get_state)
return -ENOSYS;
- ret = quota_getstate(sb, &fqs);
+ ret = quota_getstate(sb, type, &fqs);
if (!ret && copy_to_user(addr, &fqs, sizeof(fqs)))
return -EFAULT;
return ret;
}
-static int quota_getstatev(struct super_block *sb, struct fs_quota_statv *fqs)
+static int quota_getstatev(struct super_block *sb, int type,
+ struct fs_quota_statv *fqs)
{
- int type;
struct qc_state state;
int ret;
if (!fqs->qs_flags)
return -ENOSYS;
fqs->qs_incoredqs = state.s_incoredqs;
- /*
- * GETXSTATV quotactl has space for just one set of time limits so
- * report them for the first enabled quota type
- */
- for (type = 0; type < MAXQUOTAS; type++)
- if (state.s_state[type].flags & QCI_ACCT_ENABLED)
- break;
- BUG_ON(type == MAXQUOTAS);
+
fqs->qs_btimelimit = state.s_state[type].spc_timelimit;
fqs->qs_itimelimit = state.s_state[type].ino_timelimit;
fqs->qs_rtbtimelimit = state.s_state[type].rt_spc_timelimit;
return 0;
}
-static int quota_getxstatev(struct super_block *sb, void __user *addr)
+static int quota_getxstatev(struct super_block *sb, int type, void __user *addr)
{
struct fs_quota_statv fqs;
int ret;
default:
return -EINVAL;
}
- ret = quota_getstatev(sb, &fqs);
+ ret = quota_getstatev(sb, type, &fqs);
if (!ret && copy_to_user(addr, &fqs, sizeof(fqs)))
return -EFAULT;
return ret;
case Q_XQUOTARM:
return quota_rmxquota(sb, addr);
case Q_XGETQSTAT:
- return quota_getxstate(sb, addr);
+ return quota_getxstate(sb, type, addr);
case Q_XGETQSTATV:
- return quota_getxstatev(sb, addr);
+ return quota_getxstatev(sb, type, addr);
case Q_XSETQLIM:
return quota_setxquota(sb, type, id, addr);
case Q_XGETQUOTA:
return NULL;
}
-/* Extend the file by 'blocks' blocks, return the number of extents added */
+/* Extend the file with new blocks totaling 'new_block_bytes',
+ * return the number of extents added
+ */
static int udf_do_extend_file(struct inode *inode,
struct extent_position *last_pos,
struct kernel_long_ad *last_ext,
- sector_t blocks)
+ loff_t new_block_bytes)
{
- sector_t add;
+ uint32_t add;
int count = 0, fake = !(last_ext->extLength & UDF_EXTENT_LENGTH_MASK);
struct super_block *sb = inode->i_sb;
struct kernel_lb_addr prealloc_loc = {};
/* The previous extent is fake and we should not extend by anything
* - there's nothing to do... */
- if (!blocks && fake)
+ if (!new_block_bytes && fake)
return 0;
iinfo = UDF_I(inode);
/* Can we merge with the previous extent? */
if ((last_ext->extLength & UDF_EXTENT_FLAG_MASK) ==
EXT_NOT_RECORDED_NOT_ALLOCATED) {
- add = ((1 << 30) - sb->s_blocksize -
- (last_ext->extLength & UDF_EXTENT_LENGTH_MASK)) >>
- sb->s_blocksize_bits;
- if (add > blocks)
- add = blocks;
- blocks -= add;
- last_ext->extLength += add << sb->s_blocksize_bits;
+ add = (1 << 30) - sb->s_blocksize -
+ (last_ext->extLength & UDF_EXTENT_LENGTH_MASK);
+ if (add > new_block_bytes)
+ add = new_block_bytes;
+ new_block_bytes -= add;
+ last_ext->extLength += add;
}
if (fake) {
}
/* Managed to do everything necessary? */
- if (!blocks)
+ if (!new_block_bytes)
goto out;
/* All further extents will be NOT_RECORDED_NOT_ALLOCATED */
last_ext->extLocation.logicalBlockNum = 0;
last_ext->extLocation.partitionReferenceNum = 0;
- add = (1 << (30-sb->s_blocksize_bits)) - 1;
- last_ext->extLength = EXT_NOT_RECORDED_NOT_ALLOCATED |
- (add << sb->s_blocksize_bits);
+ add = (1 << 30) - sb->s_blocksize;
+ last_ext->extLength = EXT_NOT_RECORDED_NOT_ALLOCATED | add;
/* Create enough extents to cover the whole hole */
- while (blocks > add) {
- blocks -= add;
+ while (new_block_bytes > add) {
+ new_block_bytes -= add;
err = udf_add_aext(inode, last_pos, &last_ext->extLocation,
last_ext->extLength, 1);
if (err)
return err;
count++;
}
- if (blocks) {
+ if (new_block_bytes) {
last_ext->extLength = EXT_NOT_RECORDED_NOT_ALLOCATED |
- (blocks << sb->s_blocksize_bits);
+ new_block_bytes;
err = udf_add_aext(inode, last_pos, &last_ext->extLocation,
last_ext->extLength, 1);
if (err)
return count;
}
+/* Extend the final block of the file to final_block_len bytes */
+static void udf_do_extend_final_block(struct inode *inode,
+ struct extent_position *last_pos,
+ struct kernel_long_ad *last_ext,
+ uint32_t final_block_len)
+{
+ struct super_block *sb = inode->i_sb;
+ uint32_t added_bytes;
+
+ added_bytes = final_block_len -
+ (last_ext->extLength & (sb->s_blocksize - 1));
+ last_ext->extLength += added_bytes;
+ UDF_I(inode)->i_lenExtents += added_bytes;
+
+ udf_write_aext(inode, last_pos, &last_ext->extLocation,
+ last_ext->extLength, 1);
+}
+
static int udf_extend_file(struct inode *inode, loff_t newsize)
{
int8_t etype;
struct super_block *sb = inode->i_sb;
sector_t first_block = newsize >> sb->s_blocksize_bits, offset;
+ unsigned long partial_final_block;
int adsize;
struct udf_inode_info *iinfo = UDF_I(inode);
struct kernel_long_ad extent;
- int err;
+ int err = 0;
+ int within_final_block;
if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT)
adsize = sizeof(struct short_ad);
BUG();
etype = inode_bmap(inode, first_block, &epos, &eloc, &elen, &offset);
+ within_final_block = (etype != -1);
- /* File has extent covering the new size (could happen when extending
- * inside a block)? */
- if (etype != -1)
- return 0;
- if (newsize & (sb->s_blocksize - 1))
- offset++;
- /* Extended file just to the boundary of the last file block? */
- if (offset == 0)
- return 0;
-
- /* Truncate is extending the file by 'offset' blocks */
if ((!epos.bh && epos.offset == udf_file_entry_alloc_offset(inode)) ||
(epos.bh && epos.offset == sizeof(struct allocExtDesc))) {
/* File has no extents at all or has empty last
&extent.extLength, 0);
extent.extLength |= etype << 30;
}
- err = udf_do_extend_file(inode, &epos, &extent, offset);
+
+ partial_final_block = newsize & (sb->s_blocksize - 1);
+
+ /* File has extent covering the new size (could happen when extending
+ * inside a block)?
+ */
+ if (within_final_block) {
+ /* Extending file within the last file block */
+ udf_do_extend_final_block(inode, &epos, &extent,
+ partial_final_block);
+ } else {
+ loff_t add = ((loff_t)offset << sb->s_blocksize_bits) |
+ partial_final_block;
+ err = udf_do_extend_file(inode, &epos, &extent, add);
+ }
+
if (err < 0)
goto out;
err = 0;
/* Are we beyond EOF? */
if (etype == -1) {
int ret;
+ loff_t hole_len;
isBeyondEOF = true;
if (count) {
if (c)
startnum = (offset > 0);
}
/* Create extents for the hole between EOF and offset */
- ret = udf_do_extend_file(inode, &prev_epos, laarr, offset);
+ hole_len = (loff_t)offset << inode->i_blkbits;
+ ret = udf_do_extend_file(inode, &prev_epos, laarr, hole_len);
if (ret < 0) {
*err = ret;
newblock = 0;