/*
* attr_load_runs - Load all runs stored in @attr.
*/
-int attr_load_runs(struct ATTRIB *attr, struct ntfs_inode *ni,
- struct runs_tree *run, const CLST *vcn)
+static int attr_load_runs(struct ATTRIB *attr, struct ntfs_inode *ni,
+ struct runs_tree *run, const CLST *vcn)
{
int err;
CLST svcn = le64_to_cpu(attr->nres.svcn);
}
if (lcn != SPARSE_LCN) {
- mark_as_free_ex(sbi, lcn, clen, trim);
+ if (sbi) {
+ /* mark bitmap range [lcn + clen) as free and trim clusters. */
+ mark_as_free_ex(sbi, lcn, clen, trim);
+ }
dn += clen;
}
{
int err;
CLST flen, vcn0 = vcn, pre = pre_alloc ? *pre_alloc : 0;
- struct wnd_bitmap *wnd = &sbi->used.bitmap;
size_t cnt = run->count;
for (;;) {
/* Add new fragment into run storage. */
if (!run_add_entry(run, vcn, lcn, flen, opt == ALLOCATE_MFT)) {
/* Undo last 'ntfs_look_for_free_space' */
- down_write_nested(&wnd->rw_lock, BITMAP_MUTEX_CLUSTERS);
- wnd_set_free(wnd, lcn, flen);
- up_write(&wnd->rw_lock);
+ mark_as_free_ex(sbi, lcn, len, false);
err = -ENOMEM;
goto out;
}
err = ni_insert_nonresident(ni, attr_s->type, attr_name(attr_s),
attr_s->name_len, run, 0, alen,
- attr_s->flags, &attr, NULL);
+ attr_s->flags, &attr, NULL, NULL);
if (err)
goto out3;
struct mft_inode *mi, *mi_b;
CLST alen, vcn, lcn, new_alen, old_alen, svcn, evcn;
CLST next_svcn, pre_alloc = -1, done = 0;
- bool is_ext;
+ bool is_ext, is_bad = false;
u32 align;
struct MFT_REC *rec;
again:
+ alen = 0;
le_b = NULL;
attr_b = ni_find_attr(ni, NULL, &le_b, type, name, name_len, NULL,
&mi_b);
if (!attr_b) {
err = -ENOENT;
- goto out;
+ goto bad_inode;
}
if (!attr_b->non_res) {
err = attr_set_size_res(ni, attr_b, le_b, mi_b, new_size, run,
&attr_b);
- if (err || !attr_b->non_res)
- goto out;
+ if (err)
+ return err;
+
+ /* Return if file is still resident. */
+ if (!attr_b->non_res)
+ goto ok1;
/* Layout of records may be changed, so do a full search. */
goto again;
}
is_ext = is_attr_ext(attr_b);
-
-again_1:
align = sbi->cluster_size;
-
if (is_ext)
align <<= attr_b->nres.c_unit;
old_valid = le64_to_cpu(attr_b->nres.valid_size);
old_size = le64_to_cpu(attr_b->nres.data_size);
old_alloc = le64_to_cpu(attr_b->nres.alloc_size);
+
+again_1:
old_alen = old_alloc >> cluster_bits;
new_alloc = (new_size + align - 1) & ~(u64)(align - 1);
mi = mi_b;
} else if (!le_b) {
err = -EINVAL;
- goto out;
+ goto bad_inode;
} else {
le = le_b;
attr = ni_find_attr(ni, attr_b, &le, type, name, name_len, &vcn,
&mi);
if (!attr) {
err = -EINVAL;
- goto out;
+ goto bad_inode;
}
next_le_1:
svcn = le64_to_cpu(attr->nres.svcn);
evcn = le64_to_cpu(attr->nres.evcn);
}
-
+ /*
+ * Here we have:
+ * attr,mi,le - last attribute segment (containing 'vcn').
+ * attr_b,mi_b,le_b - base (primary) attribute segment.
+ */
next_le:
rec = mi->mrec;
-
err = attr_load_runs(attr, ni, run, NULL);
if (err)
goto out;
goto ok;
}
+ /*
+ * Add clusters. In simple case we have to:
+ * - allocate space (vcn, lcn, len)
+ * - update packed run in 'mi'
+ * - update attr->nres.evcn
+ * - update attr_b->nres.data_size/attr_b->nres.alloc_size
+ */
to_allocate = new_alen - old_alen;
add_alloc_in_same_attr_seg:
lcn = 0;
pre_alloc = 0;
if (type == ATTR_DATA && !name_len &&
sbi->options->prealloc) {
- CLST new_alen2 = bytes_to_cluster(
- sbi, get_pre_allocated(new_size));
- pre_alloc = new_alen2 - new_alen;
+ pre_alloc =
+ bytes_to_cluster(
+ sbi,
+ get_pre_allocated(new_size)) -
+ new_alen;
}
/* Get the last LCN to allocate from. */
pack_runs:
err = mi_pack_runs(mi, attr, run, vcn - svcn);
if (err)
- goto out;
+ goto undo_1;
next_svcn = le64_to_cpu(attr->nres.evcn) + 1;
new_alloc_tmp = (u64)next_svcn << cluster_bits;
if (type == ATTR_LIST) {
err = ni_expand_list(ni);
if (err)
- goto out;
+ goto undo_2;
if (next_svcn < vcn)
goto pack_runs;
if (!ni->attr_list.size) {
err = ni_create_attr_list(ni);
+ /* In case of error layout of records is not changed. */
if (err)
- goto out;
+ goto undo_2;
/* Layout of records is changed. */
}
/* Insert new attribute segment. */
err = ni_insert_nonresident(ni, type, name, name_len, run,
next_svcn, vcn - next_svcn,
- attr_b->flags, &attr, &mi);
- if (err)
- goto out;
-
- if (!is_mft)
- run_truncate_head(run, evcn + 1);
-
- svcn = le64_to_cpu(attr->nres.svcn);
- evcn = le64_to_cpu(attr->nres.evcn);
+ attr_b->flags, &attr, &mi, NULL);
- le_b = NULL;
/*
* Layout of records maybe changed.
* Find base attribute to update.
*/
+ le_b = NULL;
attr_b = ni_find_attr(ni, NULL, &le_b, type, name, name_len,
NULL, &mi_b);
if (!attr_b) {
- err = -ENOENT;
- goto out;
+ err = -EINVAL;
+ goto bad_inode;
}
- attr_b->nres.alloc_size = cpu_to_le64((u64)vcn << cluster_bits);
- attr_b->nres.data_size = attr_b->nres.alloc_size;
- attr_b->nres.valid_size = attr_b->nres.alloc_size;
+ if (err) {
+ /* ni_insert_nonresident failed. */
+ attr = NULL;
+ goto undo_2;
+ }
+
+ if (!is_mft)
+ run_truncate_head(run, evcn + 1);
+
+ svcn = le64_to_cpu(attr->nres.svcn);
+ evcn = le64_to_cpu(attr->nres.evcn);
+
+ /*
+ * Attribute is in consistency state.
+ * Save this point to restore to if next steps fail.
+ */
+ old_valid = old_size = old_alloc = (u64)vcn << cluster_bits;
+ attr_b->nres.valid_size = attr_b->nres.data_size =
+ attr_b->nres.alloc_size = cpu_to_le64(old_size);
mi_b->dirty = true;
goto again_1;
}
if (new_size != old_size ||
(new_alloc != old_alloc && !keep_prealloc)) {
+ /*
+ * Truncate clusters. In simple case we have to:
+ * - update packed run in 'mi'
+ * - update attr->nres.evcn
+ * - update attr_b->nres.data_size/attr_b->nres.alloc_size
+ * - mark and trim clusters as free (vcn, lcn, len)
+ */
+ CLST dlen = 0;
+
vcn = max(svcn, new_alen);
new_alloc_tmp = (u64)vcn << cluster_bits;
- alen = 0;
- err = run_deallocate_ex(sbi, run, vcn, evcn - vcn + 1, &alen,
- true);
- if (err)
- goto out;
-
- run_truncate(run, vcn);
-
if (vcn > svcn) {
err = mi_pack_runs(mi, attr, run, vcn - svcn);
if (err)
if (!al_remove_le(ni, le)) {
err = -EINVAL;
- goto out;
+ goto bad_inode;
}
le = (struct ATTR_LIST_ENTRY *)((u8 *)le - le_sz);
attr_b->nres.valid_size =
attr_b->nres.alloc_size;
}
+ mi_b->dirty = true;
- if (is_ext)
+ err = run_deallocate_ex(sbi, run, vcn, evcn - vcn + 1, &dlen,
+ true);
+ if (err)
+ goto out;
+
+ if (is_ext) {
+ /* dlen - really deallocated clusters. */
le64_sub_cpu(&attr_b->nres.total_size,
- ((u64)alen << cluster_bits));
+ ((u64)dlen << cluster_bits));
+ }
- mi_b->dirty = true;
+ run_truncate(run, vcn);
if (new_alloc_tmp <= new_alloc)
goto ok;
if (le->type != type || le->name_len != name_len ||
memcmp(le_name(le), name, name_len * sizeof(short))) {
err = -EINVAL;
- goto out;
+ goto bad_inode;
}
err = ni_load_mi(ni, le, &mi);
attr = mi_find_attr(mi, NULL, type, name, name_len, &le->id);
if (!attr) {
err = -EINVAL;
- goto out;
+ goto bad_inode;
}
goto next_le_1;
}
}
}
-out:
- if (!err && attr_b && ret)
+ok1:
+ if (ret)
*ret = attr_b;
/* Update inode_set_bytes. */
- if (!err && ((type == ATTR_DATA && !name_len) ||
- (type == ATTR_ALLOC && name == I30_NAME))) {
+ if (((type == ATTR_DATA && !name_len) ||
+ (type == ATTR_ALLOC && name == I30_NAME))) {
bool dirty = false;
if (ni->vfs_inode.i_size != new_size) {
dirty = true;
}
- if (attr_b && attr_b->non_res) {
+ if (attr_b->non_res) {
new_alloc = le64_to_cpu(attr_b->nres.alloc_size);
if (inode_get_bytes(&ni->vfs_inode) != new_alloc) {
inode_set_bytes(&ni->vfs_inode, new_alloc);
}
}
+ return 0;
+
+undo_2:
+ vcn -= alen;
+ attr_b->nres.data_size = cpu_to_le64(old_size);
+ attr_b->nres.valid_size = cpu_to_le64(old_valid);
+ attr_b->nres.alloc_size = cpu_to_le64(old_alloc);
+
+ /* Restore 'attr' and 'mi'. */
+ if (attr)
+ goto restore_run;
+
+ if (le64_to_cpu(attr_b->nres.svcn) <= svcn &&
+ svcn <= le64_to_cpu(attr_b->nres.evcn)) {
+ attr = attr_b;
+ le = le_b;
+ mi = mi_b;
+ } else if (!le_b) {
+ err = -EINVAL;
+ goto bad_inode;
+ } else {
+ le = le_b;
+ attr = ni_find_attr(ni, attr_b, &le, type, name, name_len,
+ &svcn, &mi);
+ if (!attr)
+ goto bad_inode;
+ }
+
+restore_run:
+ if (mi_pack_runs(mi, attr, run, evcn - svcn + 1))
+ is_bad = true;
+
+undo_1:
+ run_deallocate_ex(sbi, run, vcn, alen, NULL, false);
+
+ run_truncate(run, vcn);
+out:
+ if (is_bad) {
+bad_inode:
+ _ntfs_bad_inode(&ni->vfs_inode);
+ }
return err;
}
goto out;
}
- asize = le64_to_cpu(attr_b->nres.alloc_size) >> sbi->cluster_bits;
+ asize = le64_to_cpu(attr_b->nres.alloc_size) >> cluster_bits;
if (vcn >= asize) {
err = -EINVAL;
goto out;
if (evcn1 > next_svcn) {
err = ni_insert_nonresident(ni, ATTR_DATA, NULL, 0, run,
next_svcn, evcn1 - next_svcn,
- attr_b->flags, &attr, &mi);
+ attr_b->flags, &attr, &mi, NULL);
if (err)
goto out;
}
{
struct ntfs_sb_info *sbi = ni->mi.sbi;
u8 cluster_bits = sbi->cluster_bits;
- CLST vcn = from >> cluster_bits;
+ CLST vcn;
CLST vcn_last = (to - 1) >> cluster_bits;
CLST lcn, clen;
int err;
if (evcn1 > next_svcn) {
err = ni_insert_nonresident(ni, ATTR_DATA, NULL, 0, run,
next_svcn, evcn1 - next_svcn,
- attr_b->flags, &attr, &mi);
+ attr_b->flags, &attr, &mi, NULL);
if (err)
goto out;
}
err = ni_insert_nonresident(
ni, ATTR_DATA, NULL, 0, run, next_svcn,
evcn1 - eat - next_svcn, a_flags, &attr,
- &mi);
+ &mi, &le);
if (err)
goto out;
/* Layout of records maybe changed. */
attr_b = NULL;
- le = al_find_ex(ni, NULL, ATTR_DATA, NULL, 0,
- &next_svcn);
- if (!le) {
- err = -EINVAL;
- goto out;
- }
}
/* Free all allocated memory. */
out:
up_write(&ni->file.run_lock);
if (err)
- make_bad_inode(&ni->vfs_inode);
+ _ntfs_bad_inode(&ni->vfs_inode);
return err;
}
struct ATTRIB *attr = NULL, *attr_b;
struct ATTR_LIST_ENTRY *le, *le_b;
struct mft_inode *mi, *mi_b;
- CLST svcn, evcn1, vcn, len, end, alen, dealloc;
+ CLST svcn, evcn1, vcn, len, end, alen, hole, next_svcn;
u64 total_size, alloc_size;
u32 mask;
+ __le16 a_flags;
+ struct runs_tree run2;
if (!bytes)
return 0;
}
down_write(&ni->file.run_lock);
+ run_init(&run2);
+ run_truncate(run, 0);
+
/*
* Enumerate all attribute segments and punch hole where necessary.
*/
vcn = vbo >> sbi->cluster_bits;
len = bytes >> sbi->cluster_bits;
end = vcn + len;
- dealloc = 0;
+ hole = 0;
svcn = le64_to_cpu(attr_b->nres.svcn);
evcn1 = le64_to_cpu(attr_b->nres.evcn) + 1;
+ a_flags = attr_b->flags;
if (svcn <= vcn && vcn < evcn1) {
attr = attr_b;
mi = mi_b;
} else if (!le_b) {
err = -EINVAL;
- goto out;
+ goto bad_inode;
} else {
le = le_b;
attr = ni_find_attr(ni, attr_b, &le, ATTR_DATA, NULL, 0, &vcn,
&mi);
if (!attr) {
err = -EINVAL;
- goto out;
+ goto bad_inode;
}
svcn = le64_to_cpu(attr->nres.svcn);
}
while (svcn < end) {
- CLST vcn1, zero, dealloc2;
+ CLST vcn1, zero, hole2 = hole;
err = attr_load_runs(attr, ni, run, &svcn);
if (err)
- goto out;
+ goto done;
vcn1 = max(vcn, svcn);
zero = min(end, evcn1) - vcn1;
- dealloc2 = dealloc;
- err = run_deallocate_ex(sbi, run, vcn1, zero, &dealloc, true);
+ /*
+ * Check range [vcn1 + zero).
+ * Calculate how many clusters there are.
+ * Don't do any destructive actions.
+ */
+ err = run_deallocate_ex(NULL, run, vcn1, zero, &hole2, false);
if (err)
- goto out;
+ goto done;
- if (dealloc2 == dealloc) {
- /* Looks like the required range is already sparsed. */
- } else {
- if (!run_add_entry(run, vcn1, SPARSE_LCN, zero,
- false)) {
- err = -ENOMEM;
- goto out;
- }
+ /* Check if required range is already hole. */
+ if (hole2 == hole)
+ goto next_attr;
+
+ /* Make a clone of run to undo. */
+ err = run_clone(run, &run2);
+ if (err)
+ goto done;
+
+ /* Make a hole range (sparse) [vcn1 + zero). */
+ if (!run_add_entry(run, vcn1, SPARSE_LCN, zero, false)) {
+ err = -ENOMEM;
+ goto done;
+ }
- err = mi_pack_runs(mi, attr, run, evcn1 - svcn);
+ /* Update run in attribute segment. */
+ err = mi_pack_runs(mi, attr, run, evcn1 - svcn);
+ if (err)
+ goto done;
+ next_svcn = le64_to_cpu(attr->nres.evcn) + 1;
+ if (next_svcn < evcn1) {
+ /* Insert new attribute segment. */
+ err = ni_insert_nonresident(ni, ATTR_DATA, NULL, 0, run,
+ next_svcn,
+ evcn1 - next_svcn, a_flags,
+ &attr, &mi, &le);
if (err)
- goto out;
+ goto undo_punch;
+
+ /* Layout of records maybe changed. */
+ attr_b = NULL;
}
+
+ /* Real deallocate. Should not fail. */
+ run_deallocate_ex(sbi, &run2, vcn1, zero, &hole, true);
+
+next_attr:
/* Free all allocated memory. */
run_truncate(run, 0);
if (evcn1 >= alen)
break;
+ /* Get next attribute segment. */
attr = ni_enum_attr_ex(ni, attr, &le, &mi);
if (!attr) {
err = -EINVAL;
- goto out;
+ goto bad_inode;
}
svcn = le64_to_cpu(attr->nres.svcn);
evcn1 = le64_to_cpu(attr->nres.evcn) + 1;
}
- total_size -= (u64)dealloc << sbi->cluster_bits;
+done:
+ if (!hole)
+ goto out;
+
+ if (!attr_b) {
+ attr_b = ni_find_attr(ni, NULL, NULL, ATTR_DATA, NULL, 0, NULL,
+ &mi_b);
+ if (!attr_b) {
+ err = -EINVAL;
+ goto bad_inode;
+ }
+ }
+
+ total_size -= (u64)hole << sbi->cluster_bits;
attr_b->nres.total_size = cpu_to_le64(total_size);
mi_b->dirty = true;
mark_inode_dirty(&ni->vfs_inode);
out:
+ run_close(&run2);
up_write(&ni->file.run_lock);
+ return err;
+
+bad_inode:
+ _ntfs_bad_inode(&ni->vfs_inode);
+ goto out;
+
+undo_punch:
+ /*
+ * Restore packed runs.
+ * 'mi_pack_runs' should not fail, cause we restore original.
+ */
+ if (mi_pack_runs(mi, attr, &run2, evcn1 - svcn))
+ goto bad_inode;
+
+ goto done;
+}
+
+/*
+ * attr_insert_range - Insert range (hole) in file.
+ * Not for normal files.
+ */
+int attr_insert_range(struct ntfs_inode *ni, u64 vbo, u64 bytes)
+{
+ int err = 0;
+ struct runs_tree *run = &ni->file.run;
+ struct ntfs_sb_info *sbi = ni->mi.sbi;
+ struct ATTRIB *attr = NULL, *attr_b;
+ struct ATTR_LIST_ENTRY *le, *le_b;
+ struct mft_inode *mi, *mi_b;
+ CLST vcn, svcn, evcn1, len, next_svcn;
+ u64 data_size, alloc_size;
+ u32 mask;
+ __le16 a_flags;
+
+ if (!bytes)
+ return 0;
+
+ le_b = NULL;
+ attr_b = ni_find_attr(ni, NULL, &le_b, ATTR_DATA, NULL, 0, NULL, &mi_b);
+ if (!attr_b)
+ return -ENOENT;
+
+ if (!is_attr_ext(attr_b)) {
+ /* It was checked above. See fallocate. */
+ return -EOPNOTSUPP;
+ }
+
+ if (!attr_b->non_res) {
+ data_size = le32_to_cpu(attr_b->res.data_size);
+ alloc_size = data_size;
+ mask = sbi->cluster_mask; /* cluster_size - 1 */
+ } else {
+ data_size = le64_to_cpu(attr_b->nres.data_size);
+ alloc_size = le64_to_cpu(attr_b->nres.alloc_size);
+ mask = (sbi->cluster_size << attr_b->nres.c_unit) - 1;
+ }
+
+ if (vbo > data_size) {
+ /* Insert range after the file size is not allowed. */
+ return -EINVAL;
+ }
+
+ if ((vbo & mask) || (bytes & mask)) {
+ /* Allow to insert only frame aligned ranges. */
+ return -EINVAL;
+ }
+
+ /*
+ * valid_size <= data_size <= alloc_size
+ * Check alloc_size for maximum possible.
+ */
+ if (bytes > sbi->maxbytes_sparse - alloc_size)
+ return -EFBIG;
+
+ vcn = vbo >> sbi->cluster_bits;
+ len = bytes >> sbi->cluster_bits;
+
+ down_write(&ni->file.run_lock);
+
+ if (!attr_b->non_res) {
+ err = attr_set_size(ni, ATTR_DATA, NULL, 0, run,
+ data_size + bytes, NULL, false, NULL);
+
+ le_b = NULL;
+ attr_b = ni_find_attr(ni, NULL, &le_b, ATTR_DATA, NULL, 0, NULL,
+ &mi_b);
+ if (!attr_b) {
+ err = -EINVAL;
+ goto bad_inode;
+ }
+
+ if (err)
+ goto out;
+
+ if (!attr_b->non_res) {
+ /* Still resident. */
+ char *data = Add2Ptr(attr_b, attr_b->res.data_off);
+
+ memmove(data + bytes, data, bytes);
+ memset(data, 0, bytes);
+ goto done;
+ }
+
+ /* Resident files becomes nonresident. */
+ data_size = le64_to_cpu(attr_b->nres.data_size);
+ alloc_size = le64_to_cpu(attr_b->nres.alloc_size);
+ }
+
+ /*
+ * Enumerate all attribute segments and shift start vcn.
+ */
+ a_flags = attr_b->flags;
+ svcn = le64_to_cpu(attr_b->nres.svcn);
+ evcn1 = le64_to_cpu(attr_b->nres.evcn) + 1;
+
+ if (svcn <= vcn && vcn < evcn1) {
+ attr = attr_b;
+ le = le_b;
+ mi = mi_b;
+ } else if (!le_b) {
+ err = -EINVAL;
+ goto bad_inode;
+ } else {
+ le = le_b;
+ attr = ni_find_attr(ni, attr_b, &le, ATTR_DATA, NULL, 0, &vcn,
+ &mi);
+ if (!attr) {
+ err = -EINVAL;
+ goto bad_inode;
+ }
+
+ svcn = le64_to_cpu(attr->nres.svcn);
+ evcn1 = le64_to_cpu(attr->nres.evcn) + 1;
+ }
+
+ run_truncate(run, 0); /* clear cached values. */
+ err = attr_load_runs(attr, ni, run, NULL);
+ if (err)
+ goto out;
+
+ if (!run_insert_range(run, vcn, len)) {
+ err = -ENOMEM;
+ goto out;
+ }
+
+ /* Try to pack in current record as much as possible. */
+ err = mi_pack_runs(mi, attr, run, evcn1 + len - svcn);
if (err)
- make_bad_inode(&ni->vfs_inode);
+ goto out;
+
+ next_svcn = le64_to_cpu(attr->nres.evcn) + 1;
+
+ while ((attr = ni_enum_attr_ex(ni, attr, &le, &mi)) &&
+ attr->type == ATTR_DATA && !attr->name_len) {
+ le64_add_cpu(&attr->nres.svcn, len);
+ le64_add_cpu(&attr->nres.evcn, len);
+ if (le) {
+ le->vcn = attr->nres.svcn;
+ ni->attr_list.dirty = true;
+ }
+ mi->dirty = true;
+ }
+
+ if (next_svcn < evcn1 + len) {
+ err = ni_insert_nonresident(ni, ATTR_DATA, NULL, 0, run,
+ next_svcn, evcn1 + len - next_svcn,
+ a_flags, NULL, NULL, NULL);
+
+ le_b = NULL;
+ attr_b = ni_find_attr(ni, NULL, &le_b, ATTR_DATA, NULL, 0, NULL,
+ &mi_b);
+ if (!attr_b) {
+ err = -EINVAL;
+ goto bad_inode;
+ }
+
+ if (err) {
+ /* ni_insert_nonresident failed. Try to undo. */
+ goto undo_insert_range;
+ }
+ }
+
+ /*
+ * Update primary attribute segment.
+ */
+ if (vbo <= ni->i_valid)
+ ni->i_valid += bytes;
+
+ attr_b->nres.data_size = le64_to_cpu(data_size + bytes);
+ attr_b->nres.alloc_size = le64_to_cpu(alloc_size + bytes);
+
+ /* ni->valid may be not equal valid_size (temporary). */
+ if (ni->i_valid > data_size + bytes)
+ attr_b->nres.valid_size = attr_b->nres.data_size;
+ else
+ attr_b->nres.valid_size = cpu_to_le64(ni->i_valid);
+ mi_b->dirty = true;
+
+done:
+ ni->vfs_inode.i_size += bytes;
+ ni->ni_flags |= NI_FLAG_UPDATE_PARENT;
+ mark_inode_dirty(&ni->vfs_inode);
+
+out:
+ run_truncate(run, 0); /* clear cached values. */
+
+ up_write(&ni->file.run_lock);
return err;
+
+bad_inode:
+ _ntfs_bad_inode(&ni->vfs_inode);
+ goto out;
+
+undo_insert_range:
+ svcn = le64_to_cpu(attr_b->nres.svcn);
+ evcn1 = le64_to_cpu(attr_b->nres.evcn) + 1;
+
+ if (svcn <= vcn && vcn < evcn1) {
+ attr = attr_b;
+ le = le_b;
+ mi = mi_b;
+ } else if (!le_b) {
+ goto bad_inode;
+ } else {
+ le = le_b;
+ attr = ni_find_attr(ni, attr_b, &le, ATTR_DATA, NULL, 0, &vcn,
+ &mi);
+ if (!attr) {
+ goto bad_inode;
+ }
+
+ svcn = le64_to_cpu(attr->nres.svcn);
+ evcn1 = le64_to_cpu(attr->nres.evcn) + 1;
+ }
+
+ if (attr_load_runs(attr, ni, run, NULL))
+ goto bad_inode;
+
+ if (!run_collapse_range(run, vcn, len))
+ goto bad_inode;
+
+ if (mi_pack_runs(mi, attr, run, evcn1 + len - svcn))
+ goto bad_inode;
+
+ while ((attr = ni_enum_attr_ex(ni, attr, &le, &mi)) &&
+ attr->type == ATTR_DATA && !attr->name_len) {
+ le64_sub_cpu(&attr->nres.svcn, len);
+ le64_sub_cpu(&attr->nres.evcn, len);
+ if (le) {
+ le->vcn = attr->nres.svcn;
+ ni->attr_list.dirty = true;
+ }
+ mi->dirty = true;
+ }
+
+ goto out;
}
projects / people / ms / linux.git / blobdiff