int bu_blocks;
};
+struct ocfs2_xattr_set_ctxt {
+ handle_t *handle;
+ struct ocfs2_alloc_context *meta_ac;
+ struct ocfs2_alloc_context *data_ac;
+ struct ocfs2_cached_dealloc_ctxt dealloc;
+};
+
#define OCFS2_XATTR_ROOT_SIZE (sizeof(struct ocfs2_xattr_def_value_root))
#define OCFS2_XATTR_INLINE_SIZE 80
size_t buffer_size);
static int ocfs2_xattr_create_index_block(struct inode *inode,
- struct ocfs2_xattr_search *xs);
+ struct ocfs2_xattr_search *xs,
+ struct ocfs2_xattr_set_ctxt *ctxt);
static int ocfs2_xattr_set_entry_index_block(struct inode *inode,
struct ocfs2_xattr_info *xi,
- struct ocfs2_xattr_search *xs);
+ struct ocfs2_xattr_search *xs,
+ struct ocfs2_xattr_set_ctxt *ctxt);
static int ocfs2_delete_xattr_index_block(struct inode *inode,
struct buffer_head *xb_bh);
static int ocfs2_xattr_extend_allocation(struct inode *inode,
u32 clusters_to_add,
struct buffer_head *xattr_bh,
- struct ocfs2_xattr_value_root *xv)
+ struct ocfs2_xattr_value_root *xv,
+ struct ocfs2_xattr_set_ctxt *ctxt)
{
int status = 0;
- int restart_func = 0;
- int credits = 0;
- handle_t *handle = NULL;
- struct ocfs2_alloc_context *data_ac = NULL;
- struct ocfs2_alloc_context *meta_ac = NULL;
+ handle_t *handle = ctxt->handle;
enum ocfs2_alloc_restarted why;
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
u32 prev_clusters, logical_start = le32_to_cpu(xv->xr_clusters);
ocfs2_init_xattr_value_extent_tree(&et, inode, xattr_bh, xv);
-restart_all:
-
- status = ocfs2_lock_allocators(inode, &et, clusters_to_add, 0,
- &data_ac, &meta_ac);
- if (status) {
- mlog_errno(status);
- goto leave;
- }
-
- credits = ocfs2_calc_extend_credits(osb->sb, et.et_root_el,
- clusters_to_add);
- handle = ocfs2_start_trans(osb, credits);
- if (IS_ERR(handle)) {
- status = PTR_ERR(handle);
- handle = NULL;
- mlog_errno(status);
- goto leave;
- }
-
-restarted_transaction:
status = ocfs2_journal_access(handle, inode, xattr_bh,
OCFS2_JOURNAL_ACCESS_WRITE);
if (status < 0) {
0,
&et,
handle,
- data_ac,
- meta_ac,
+ ctxt->data_ac,
+ ctxt->meta_ac,
&why);
- if ((status < 0) && (status != -EAGAIN)) {
- if (status != -ENOSPC)
- mlog_errno(status);
+ if (status < 0) {
+ mlog_errno(status);
goto leave;
}
clusters_to_add -= le32_to_cpu(xv->xr_clusters) - prev_clusters;
- if (why != RESTART_NONE && clusters_to_add) {
- if (why == RESTART_META) {
- mlog(0, "restarting function.\n");
- restart_func = 1;
- } else {
- BUG_ON(why != RESTART_TRANS);
-
- mlog(0, "restarting transaction.\n");
- /* TODO: This can be more intelligent. */
- credits = ocfs2_calc_extend_credits(osb->sb,
- et.et_root_el,
- clusters_to_add);
- status = ocfs2_extend_trans(handle, credits);
- if (status < 0) {
- /* handle still has to be committed at
- * this point. */
- status = -ENOMEM;
- mlog_errno(status);
- goto leave;
- }
- goto restarted_transaction;
- }
- }
+ /*
+ * We should have already allocated enough space before the transaction,
+ * so no need to restart.
+ */
+ BUG_ON(why != RESTART_NONE || clusters_to_add);
leave:
- if (handle) {
- ocfs2_commit_trans(osb, handle);
- handle = NULL;
- }
- if (data_ac) {
- ocfs2_free_alloc_context(data_ac);
- data_ac = NULL;
- }
- if (meta_ac) {
- ocfs2_free_alloc_context(meta_ac);
- meta_ac = NULL;
- }
- if ((!status) && restart_func) {
- restart_func = 0;
- goto restart_all;
- }
return status;
}
struct buffer_head *root_bh,
struct ocfs2_xattr_value_root *xv,
u32 cpos, u32 phys_cpos, u32 len,
- struct ocfs2_cached_dealloc_ctxt *dealloc)
+ struct ocfs2_xattr_set_ctxt *ctxt)
{
int ret;
u64 phys_blkno = ocfs2_clusters_to_blocks(inode->i_sb, phys_cpos);
- struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
- handle_t *handle;
- struct ocfs2_alloc_context *meta_ac = NULL;
+ handle_t *handle = ctxt->handle;
struct ocfs2_extent_tree et;
ocfs2_init_xattr_value_extent_tree(&et, inode, root_bh, xv);
- ret = ocfs2_lock_allocators(inode, &et, 0, 1, NULL, &meta_ac);
- if (ret) {
- mlog_errno(ret);
- return ret;
- }
-
- handle = ocfs2_start_trans(osb, OCFS2_REMOVE_EXTENT_CREDITS);
- if (IS_ERR(handle)) {
- ret = PTR_ERR(handle);
- mlog_errno(ret);
- goto out;
- }
-
ret = ocfs2_journal_access(handle, inode, root_bh,
OCFS2_JOURNAL_ACCESS_WRITE);
if (ret) {
mlog_errno(ret);
- goto out_commit;
+ goto out;
}
- ret = ocfs2_remove_extent(inode, &et, cpos, len, handle, meta_ac,
- dealloc);
+ ret = ocfs2_remove_extent(inode, &et, cpos, len, handle, ctxt->meta_ac,
+ &ctxt->dealloc);
if (ret) {
mlog_errno(ret);
- goto out_commit;
+ goto out;
}
le32_add_cpu(&xv->xr_clusters, -len);
ret = ocfs2_journal_dirty(handle, root_bh);
if (ret) {
mlog_errno(ret);
- goto out_commit;
+ goto out;
}
- ret = ocfs2_cache_cluster_dealloc(dealloc, phys_blkno, len);
+ ret = ocfs2_cache_cluster_dealloc(&ctxt->dealloc, phys_blkno, len);
if (ret)
mlog_errno(ret);
-out_commit:
- ocfs2_commit_trans(osb, handle);
out:
-
- if (meta_ac)
- ocfs2_free_alloc_context(meta_ac);
-
return ret;
}
u32 old_clusters,
u32 new_clusters,
struct buffer_head *root_bh,
- struct ocfs2_xattr_value_root *xv)
+ struct ocfs2_xattr_value_root *xv,
+ struct ocfs2_xattr_set_ctxt *ctxt)
{
int ret = 0;
u32 trunc_len, cpos, phys_cpos, alloc_size;
u64 block;
- struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
- struct ocfs2_cached_dealloc_ctxt dealloc;
-
- ocfs2_init_dealloc_ctxt(&dealloc);
if (old_clusters <= new_clusters)
return 0;
ret = __ocfs2_remove_xattr_range(inode, root_bh, xv, cpos,
phys_cpos, alloc_size,
- &dealloc);
+ ctxt);
if (ret) {
mlog_errno(ret);
goto out;
}
out:
- ocfs2_schedule_truncate_log_flush(osb, 1);
- ocfs2_run_deallocs(osb, &dealloc);
-
return ret;
}
static int ocfs2_xattr_value_truncate(struct inode *inode,
struct buffer_head *root_bh,
struct ocfs2_xattr_value_root *xv,
- int len)
+ int len,
+ struct ocfs2_xattr_set_ctxt *ctxt)
{
int ret;
u32 new_clusters = ocfs2_clusters_for_bytes(inode->i_sb, len);
if (new_clusters > old_clusters)
ret = ocfs2_xattr_extend_allocation(inode,
new_clusters - old_clusters,
- root_bh, xv);
+ root_bh, xv, ctxt);
else
ret = ocfs2_xattr_shrink_size(inode,
old_clusters, new_clusters,
- root_bh, xv);
+ root_bh, xv, ctxt);
return ret;
}
}
static int __ocfs2_xattr_set_value_outside(struct inode *inode,
+ handle_t *handle,
struct ocfs2_xattr_value_root *xv,
const void *value,
int value_len)
u32 clusters = ocfs2_clusters_for_bytes(inode->i_sb, value_len);
u64 blkno;
struct buffer_head *bh = NULL;
- handle_t *handle;
BUG_ON(clusters > le32_to_cpu(xv->xr_clusters));
+ /*
+ * In __ocfs2_xattr_set_value_outside has already been dirtied,
+ * so we don't need to worry about whether ocfs2_extend_trans
+ * will create a new transactio for us or not.
+ */
credits = clusters * bpc;
- handle = ocfs2_start_trans(OCFS2_SB(inode->i_sb), credits);
- if (IS_ERR(handle)) {
- ret = PTR_ERR(handle);
+ ret = ocfs2_extend_trans(handle, credits);
+ if (ret) {
mlog_errno(ret);
goto out;
}
&num_clusters, &xv->xr_list);
if (ret) {
mlog_errno(ret);
- goto out_commit;
+ goto out;
}
blkno = ocfs2_clusters_to_blocks(inode->i_sb, p_cluster);
ret = ocfs2_read_block(inode, blkno, &bh);
if (ret) {
mlog_errno(ret);
- goto out_commit;
+ goto out;
}
ret = ocfs2_journal_access(handle,
OCFS2_JOURNAL_ACCESS_WRITE);
if (ret < 0) {
mlog_errno(ret);
- goto out_commit;
+ goto out;
}
cp_len = value_len > blocksize ? blocksize : value_len;
ret = ocfs2_journal_dirty(handle, bh);
if (ret < 0) {
mlog_errno(ret);
- goto out_commit;
+ goto out;
}
brelse(bh);
bh = NULL;
}
cpos += num_clusters;
}
-out_commit:
- ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle);
out:
brelse(bh);
}
static int ocfs2_xattr_cleanup(struct inode *inode,
+ handle_t *handle,
struct ocfs2_xattr_info *xi,
struct ocfs2_xattr_search *xs,
size_t offs)
{
- handle_t *handle = NULL;
int ret = 0;
size_t name_len = strlen(xi->name);
void *val = xs->base + offs;
size_t size = OCFS2_XATTR_SIZE(name_len) + OCFS2_XATTR_ROOT_SIZE;
- handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)),
- OCFS2_XATTR_BLOCK_UPDATE_CREDITS);
- if (IS_ERR(handle)) {
- ret = PTR_ERR(handle);
- mlog_errno(ret);
- goto out;
- }
ret = ocfs2_journal_access(handle, inode, xs->xattr_bh,
OCFS2_JOURNAL_ACCESS_WRITE);
if (ret) {
mlog_errno(ret);
- goto out_commit;
+ goto out;
}
/* Decrease xattr count */
le16_add_cpu(&xs->header->xh_count, -1);
ret = ocfs2_journal_dirty(handle, xs->xattr_bh);
if (ret < 0)
mlog_errno(ret);
-out_commit:
- ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle);
out:
return ret;
}
static int ocfs2_xattr_update_entry(struct inode *inode,
+ handle_t *handle,
struct ocfs2_xattr_info *xi,
struct ocfs2_xattr_search *xs,
size_t offs)
{
- handle_t *handle = NULL;
- int ret = 0;
+ int ret;
- handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)),
- OCFS2_XATTR_BLOCK_UPDATE_CREDITS);
- if (IS_ERR(handle)) {
- ret = PTR_ERR(handle);
- mlog_errno(ret);
- goto out;
- }
ret = ocfs2_journal_access(handle, inode, xs->xattr_bh,
OCFS2_JOURNAL_ACCESS_WRITE);
if (ret) {
mlog_errno(ret);
- goto out_commit;
+ goto out;
}
xs->here->xe_name_offset = cpu_to_le16(offs);
ret = ocfs2_journal_dirty(handle, xs->xattr_bh);
if (ret < 0)
mlog_errno(ret);
-out_commit:
- ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle);
out:
return ret;
}
static int ocfs2_xattr_set_value_outside(struct inode *inode,
struct ocfs2_xattr_info *xi,
struct ocfs2_xattr_search *xs,
+ struct ocfs2_xattr_set_ctxt *ctxt,
size_t offs)
{
size_t name_len = strlen(xi->name);
xv->xr_list.l_next_free_rec = 0;
ret = ocfs2_xattr_value_truncate(inode, xs->xattr_bh, xv,
- xi->value_len);
+ xi->value_len, ctxt);
if (ret < 0) {
mlog_errno(ret);
return ret;
}
- ret = __ocfs2_xattr_set_value_outside(inode, xv, xi->value,
- xi->value_len);
+ ret = ocfs2_xattr_update_entry(inode, ctxt->handle, xi, xs, offs);
if (ret < 0) {
mlog_errno(ret);
return ret;
}
- ret = ocfs2_xattr_update_entry(inode, xi, xs, offs);
+ ret = __ocfs2_xattr_set_value_outside(inode, ctxt->handle, xv,
+ xi->value, xi->value_len);
if (ret < 0)
mlog_errno(ret);
static int ocfs2_xattr_set_entry(struct inode *inode,
struct ocfs2_xattr_info *xi,
struct ocfs2_xattr_search *xs,
+ struct ocfs2_xattr_set_ctxt *ctxt,
int flag)
{
struct ocfs2_xattr_entry *last;
struct ocfs2_dinode *di = (struct ocfs2_dinode *)xs->inode_bh->b_data;
size_t min_offs = xs->end - xs->base, name_len = strlen(xi->name);
size_t size_l = 0;
- handle_t *handle = NULL;
+ handle_t *handle = ctxt->handle;
int free, i, ret;
struct ocfs2_xattr_info xi_l = {
.name_index = xi->name_index,
if (ocfs2_xattr_is_local(xs->here) && size == size_l) {
/* Replace existing local xattr with tree root */
ret = ocfs2_xattr_set_value_outside(inode, xi, xs,
- offs);
+ ctxt, offs);
if (ret < 0)
mlog_errno(ret);
goto out;
ret = ocfs2_xattr_value_truncate(inode,
xs->xattr_bh,
xv,
- xi->value_len);
+ xi->value_len,
+ ctxt);
if (ret < 0) {
mlog_errno(ret);
goto out;
}
- ret = __ocfs2_xattr_set_value_outside(inode,
- xv,
- xi->value,
- xi->value_len);
+ ret = ocfs2_xattr_update_entry(inode,
+ handle,
+ xi,
+ xs,
+ offs);
if (ret < 0) {
mlog_errno(ret);
goto out;
}
- ret = ocfs2_xattr_update_entry(inode,
- xi,
- xs,
- offs);
+ ret = __ocfs2_xattr_set_value_outside(inode,
+ handle,
+ xv,
+ xi->value,
+ xi->value_len);
if (ret < 0)
mlog_errno(ret);
goto out;
* just trucate old value to zero.
*/
ret = ocfs2_xattr_value_truncate(inode,
- xs->xattr_bh,
- xv,
- 0);
+ xs->xattr_bh,
+ xv,
+ 0,
+ ctxt);
if (ret < 0)
mlog_errno(ret);
}
}
}
- handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)),
- OCFS2_INODE_UPDATE_CREDITS);
- if (IS_ERR(handle)) {
- ret = PTR_ERR(handle);
- mlog_errno(ret);
- goto out;
- }
-
ret = ocfs2_journal_access(handle, inode, xs->inode_bh,
OCFS2_JOURNAL_ACCESS_WRITE);
if (ret) {
mlog_errno(ret);
- goto out_commit;
+ goto out;
}
if (!(flag & OCFS2_INLINE_XATTR_FL)) {
- /* set extended attribute in external block. */
- ret = ocfs2_extend_trans(handle,
- OCFS2_INODE_UPDATE_CREDITS +
- OCFS2_XATTR_BLOCK_UPDATE_CREDITS);
- if (ret) {
- mlog_errno(ret);
- goto out_commit;
- }
ret = ocfs2_journal_access(handle, inode, xs->xattr_bh,
OCFS2_JOURNAL_ACCESS_WRITE);
if (ret) {
mlog_errno(ret);
- goto out_commit;
+ goto out;
}
}
ret = ocfs2_journal_dirty(handle, xs->xattr_bh);
if (ret < 0) {
mlog_errno(ret);
- goto out_commit;
+ goto out;
}
}
if (ret < 0)
mlog_errno(ret);
-out_commit:
- ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle);
-
if (!ret && xi->value_len > OCFS2_XATTR_INLINE_SIZE) {
/*
* Set value outside in B tree.
* This is the second step for value size > INLINE_SIZE.
*/
size_t offs = le16_to_cpu(xs->here->xe_name_offset);
- ret = ocfs2_xattr_set_value_outside(inode, xi, xs, offs);
+ ret = ocfs2_xattr_set_value_outside(inode, xi, xs, ctxt, offs);
if (ret < 0) {
int ret2;
* If set value outside failed, we have to clean
* the junk tree root we have already set in local.
*/
- ret2 = ocfs2_xattr_cleanup(inode, xi, xs, offs);
+ ret2 = ocfs2_xattr_cleanup(inode, ctxt->handle,
+ xi, xs, offs);
if (ret2 < 0)
mlog_errno(ret2);
}
}
out:
return ret;
-
}
static int ocfs2_remove_value_outside(struct inode*inode,
struct ocfs2_xattr_header *header)
{
int ret = 0, i;
+ struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
+ struct ocfs2_xattr_set_ctxt ctxt = { NULL, NULL, };
+
+ ocfs2_init_dealloc_ctxt(&ctxt.dealloc);
+
+ ctxt.handle = ocfs2_start_trans(osb, OCFS2_REMOVE_EXTENT_CREDITS);
+ if (IS_ERR(ctxt.handle)) {
+ ret = PTR_ERR(ctxt.handle);
+ mlog_errno(ret);
+ goto out;
+ }
for (i = 0; i < le16_to_cpu(header->xh_count); i++) {
struct ocfs2_xattr_entry *entry = &header->xh_entries[i];
le16_to_cpu(entry->xe_name_offset);
xv = (struct ocfs2_xattr_value_root *)
(val + OCFS2_XATTR_SIZE(entry->xe_name_len));
- ret = ocfs2_xattr_value_truncate(inode, bh, xv, 0);
+ ret = ocfs2_xattr_value_truncate(inode, bh, xv,
+ 0, &ctxt);
if (ret < 0) {
mlog_errno(ret);
- return ret;
+ break;
}
}
}
+ ocfs2_commit_trans(osb, ctxt.handle);
+ ocfs2_schedule_truncate_log_flush(osb, 1);
+ ocfs2_run_deallocs(osb, &ctxt.dealloc);
+out:
return ret;
}
*/
static int ocfs2_xattr_ibody_set(struct inode *inode,
struct ocfs2_xattr_info *xi,
- struct ocfs2_xattr_search *xs)
+ struct ocfs2_xattr_search *xs,
+ struct ocfs2_xattr_set_ctxt *ctxt)
{
struct ocfs2_inode_info *oi = OCFS2_I(inode);
struct ocfs2_dinode *di = (struct ocfs2_dinode *)xs->inode_bh->b_data;
}
}
- ret = ocfs2_xattr_set_entry(inode, xi, xs,
+ ret = ocfs2_xattr_set_entry(inode, xi, xs, ctxt,
(OCFS2_INLINE_XATTR_FL | OCFS2_HAS_XATTR_FL));
out:
up_write(&oi->ip_alloc_sem);
*/
static int ocfs2_xattr_block_set(struct inode *inode,
struct ocfs2_xattr_info *xi,
- struct ocfs2_xattr_search *xs)
+ struct ocfs2_xattr_search *xs,
+ struct ocfs2_xattr_set_ctxt *ctxt)
{
struct buffer_head *new_bh = NULL;
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
struct ocfs2_dinode *di = (struct ocfs2_dinode *)xs->inode_bh->b_data;
- struct ocfs2_alloc_context *meta_ac = NULL;
- handle_t *handle = NULL;
+ handle_t *handle = ctxt->handle;
struct ocfs2_xattr_block *xblk = NULL;
u16 suballoc_bit_start;
u32 num_got;
int ret;
if (!xs->xattr_bh) {
- /*
- * Alloc one external block for extended attribute
- * outside of inode.
- */
- ret = ocfs2_reserve_new_metadata_blocks(osb, 1, &meta_ac);
+ ret = ocfs2_journal_access(handle, inode, xs->inode_bh,
+ OCFS2_JOURNAL_ACCESS_CREATE);
if (ret < 0) {
mlog_errno(ret);
- goto out;
+ goto end;
}
- handle = ocfs2_start_trans(osb,
- OCFS2_XATTR_BLOCK_CREATE_CREDITS);
- if (IS_ERR(handle)) {
- ret = PTR_ERR(handle);
+
+ ret = ocfs2_claim_metadata(osb, handle, ctxt->meta_ac, 1,
+ &suballoc_bit_start, &num_got,
+ &first_blkno);
+ if (ret < 0) {
mlog_errno(ret);
- goto out;
+ goto end;
}
- ret = ocfs2_journal_access(handle, inode, xs->inode_bh,
+
+ new_bh = sb_getblk(inode->i_sb, first_blkno);
+ ocfs2_set_new_buffer_uptodate(inode, new_bh);
+
+ ret = ocfs2_journal_access(handle, inode, new_bh,
OCFS2_JOURNAL_ACCESS_CREATE);
if (ret < 0) {
mlog_errno(ret);
- goto out_commit;
+ goto end;
}
- ret = ocfs2_claim_metadata(osb, handle, meta_ac, 1,
- &suballoc_bit_start, &num_got,
- &first_blkno);
- if (ret < 0) {
- mlog_errno(ret);
- goto out_commit;
+ /* Initialize ocfs2_xattr_block */
+ xs->xattr_bh = new_bh;
+ xblk = (struct ocfs2_xattr_block *)new_bh->b_data;
+ memset(xblk, 0, inode->i_sb->s_blocksize);
+ strcpy((void *)xblk, OCFS2_XATTR_BLOCK_SIGNATURE);
+ xblk->xb_suballoc_slot = cpu_to_le16(osb->slot_num);
+ xblk->xb_suballoc_bit = cpu_to_le16(suballoc_bit_start);
+ xblk->xb_fs_generation = cpu_to_le32(osb->fs_generation);
+ xblk->xb_blkno = cpu_to_le64(first_blkno);
+
+ xs->header = &xblk->xb_attrs.xb_header;
+ xs->base = (void *)xs->header;
+ xs->end = (void *)xblk + inode->i_sb->s_blocksize;
+ xs->here = xs->header->xh_entries;
+
+ ret = ocfs2_journal_dirty(handle, new_bh);
+ if (ret < 0) {
+ mlog_errno(ret);
+ goto end;
+ }
+ di->i_xattr_loc = cpu_to_le64(first_blkno);
+ ocfs2_journal_dirty(handle, xs->inode_bh);
+ } else
+ xblk = (struct ocfs2_xattr_block *)xs->xattr_bh->b_data;
+
+ if (!(le16_to_cpu(xblk->xb_flags) & OCFS2_XATTR_INDEXED)) {
+ /* Set extended attribute into external block */
+ ret = ocfs2_xattr_set_entry(inode, xi, xs, ctxt,
+ OCFS2_HAS_XATTR_FL);
+ if (!ret || ret != -ENOSPC)
+ goto end;
+
+ ret = ocfs2_xattr_create_index_block(inode, xs, ctxt);
+ if (ret)
+ goto end;
+ }
+
+ ret = ocfs2_xattr_set_entry_index_block(inode, xi, xs, ctxt);
+
+end:
+
+ return ret;
+}
+
+/* Check whether the new xattr can be inserted into the inode. */
+static int ocfs2_xattr_can_be_in_inode(struct inode *inode,
+ struct ocfs2_xattr_info *xi,
+ struct ocfs2_xattr_search *xs)
+{
+ u64 value_size;
+ struct ocfs2_xattr_entry *last;
+ int free, i;
+ size_t min_offs = xs->end - xs->base;
+
+ if (!xs->header)
+ return 0;
+
+ last = xs->header->xh_entries;
+
+ for (i = 0; i < le16_to_cpu(xs->header->xh_count); i++) {
+ size_t offs = le16_to_cpu(last->xe_name_offset);
+ if (offs < min_offs)
+ min_offs = offs;
+ last += 1;
+ }
+
+ free = min_offs - ((void *)last - xs->base) - sizeof(__u32);
+ if (free < 0)
+ return 0;
+
+ BUG_ON(!xs->not_found);
+
+ if (xi->value_len > OCFS2_XATTR_INLINE_SIZE)
+ value_size = OCFS2_XATTR_ROOT_SIZE;
+ else
+ value_size = OCFS2_XATTR_SIZE(xi->value_len);
+
+ if (free >= sizeof(struct ocfs2_xattr_entry) +
+ OCFS2_XATTR_SIZE(strlen(xi->name)) + value_size)
+ return 1;
+
+ return 0;
+}
+
+static int ocfs2_calc_xattr_set_need(struct inode *inode,
+ struct ocfs2_dinode *di,
+ struct ocfs2_xattr_info *xi,
+ struct ocfs2_xattr_search *xis,
+ struct ocfs2_xattr_search *xbs,
+ int *clusters_need,
+ int *meta_need,
+ int *credits_need)
+{
+ int ret = 0, old_in_xb = 0;
+ int clusters_add = 0, meta_add = 0, credits = 0;
+ struct buffer_head *bh = NULL;
+ struct ocfs2_xattr_block *xb = NULL;
+ struct ocfs2_xattr_entry *xe = NULL;
+ struct ocfs2_xattr_value_root *xv = NULL;
+ char *base = NULL;
+ int name_offset, name_len = 0;
+ u32 new_clusters = ocfs2_clusters_for_bytes(inode->i_sb,
+ xi->value_len);
+ u64 value_size;
+
+ if (xis->not_found && xbs->not_found) {
+ credits += ocfs2_blocks_per_xattr_bucket(inode->i_sb);
+
+ if (xi->value_len > OCFS2_XATTR_INLINE_SIZE) {
+ clusters_add += new_clusters;
+ credits += ocfs2_calc_extend_credits(inode->i_sb,
+ &def_xv.xv.xr_list,
+ new_clusters);
+ }
+
+ goto meta_guess;
+ }
+
+ if (!xis->not_found) {
+ xe = xis->here;
+ name_offset = le16_to_cpu(xe->xe_name_offset);
+ name_len = OCFS2_XATTR_SIZE(xe->xe_name_len);
+ base = xis->base;
+ credits += OCFS2_INODE_UPDATE_CREDITS;
+ } else {
+ int i, block_off;
+ xb = (struct ocfs2_xattr_block *)xbs->xattr_bh->b_data;
+ xe = xbs->here;
+ name_offset = le16_to_cpu(xe->xe_name_offset);
+ name_len = OCFS2_XATTR_SIZE(xe->xe_name_len);
+ i = xbs->here - xbs->header->xh_entries;
+ old_in_xb = 1;
+
+ if (le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED) {
+ ret = ocfs2_xattr_bucket_get_name_value(inode,
+ bucket_xh(xbs->bucket),
+ i, &block_off,
+ &name_offset);
+ base = bucket_block(xbs->bucket, block_off);
+ credits += ocfs2_blocks_per_xattr_bucket(inode->i_sb);
+ } else {
+ base = xbs->base;
+ credits += OCFS2_XATTR_BLOCK_UPDATE_CREDITS;
+ }
+ }
+
+ /*
+ * delete a xattr doesn't need metadata and cluster allocation.
+ * so just calculate the credits and return.
+ *
+ * The credits for removing the value tree will be extended
+ * by ocfs2_remove_extent itself.
+ */
+ if (!xi->value) {
+ if (!ocfs2_xattr_is_local(xe))
+ credits += OCFS2_REMOVE_EXTENT_CREDITS;
+
+ goto out;
+ }
+
+ /* do cluster allocation guess first. */
+ value_size = le64_to_cpu(xe->xe_value_size);
+
+ if (old_in_xb) {
+ /*
+ * In xattr set, we always try to set the xe in inode first,
+ * so if it can be inserted into inode successfully, the old
+ * one will be removed from the xattr block, and this xattr
+ * will be inserted into inode as a new xattr in inode.
+ */
+ if (ocfs2_xattr_can_be_in_inode(inode, xi, xis)) {
+ clusters_add += new_clusters;
+ credits += OCFS2_REMOVE_EXTENT_CREDITS +
+ OCFS2_INODE_UPDATE_CREDITS;
+ if (!ocfs2_xattr_is_local(xe))
+ credits += ocfs2_calc_extend_credits(
+ inode->i_sb,
+ &def_xv.xv.xr_list,
+ new_clusters);
+ goto out;
+ }
+ }
+
+ if (xi->value_len > OCFS2_XATTR_INLINE_SIZE) {
+ /* the new values will be stored outside. */
+ u32 old_clusters = 0;
+
+ if (!ocfs2_xattr_is_local(xe)) {
+ old_clusters = ocfs2_clusters_for_bytes(inode->i_sb,
+ value_size);
+ xv = (struct ocfs2_xattr_value_root *)
+ (base + name_offset + name_len);
+ } else
+ xv = &def_xv.xv;
+
+ if (old_clusters >= new_clusters) {
+ credits += OCFS2_REMOVE_EXTENT_CREDITS;
+ goto out;
+ } else {
+ meta_add += ocfs2_extend_meta_needed(&xv->xr_list);
+ clusters_add += new_clusters - old_clusters;
+ credits += ocfs2_calc_extend_credits(inode->i_sb,
+ &xv->xr_list,
+ new_clusters -
+ old_clusters);
+ goto out;
+ }
+ } else {
+ /*
+ * Now the new value will be stored inside. So if the new
+ * value is smaller than the size of value root or the old
+ * value, we don't need any allocation, otherwise we have
+ * to guess metadata allocation.
+ */
+ if ((ocfs2_xattr_is_local(xe) && value_size >= xi->value_len) ||
+ (!ocfs2_xattr_is_local(xe) &&
+ OCFS2_XATTR_ROOT_SIZE >= xi->value_len))
+ goto out;
+ }
+
+meta_guess:
+ /* calculate metadata allocation. */
+ if (di->i_xattr_loc) {
+ if (!xbs->xattr_bh) {
+ ret = ocfs2_read_block(inode,
+ le64_to_cpu(di->i_xattr_loc),
+ &bh);
+ if (ret) {
+ mlog_errno(ret);
+ goto out;
+ }
+
+ xb = (struct ocfs2_xattr_block *)bh->b_data;
+ } else
+ xb = (struct ocfs2_xattr_block *)xbs->xattr_bh->b_data;
+
+ if (le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED) {
+ struct ocfs2_extent_list *el =
+ &xb->xb_attrs.xb_root.xt_list;
+ meta_add += ocfs2_extend_meta_needed(el);
+ credits += ocfs2_calc_extend_credits(inode->i_sb,
+ el, 1);
+ }
+
+ /*
+ * This cluster will be used either for new bucket or for
+ * new xattr block.
+ * If the cluster size is the same as the bucket size, one
+ * more is needed since we may need to extend the bucket
+ * also.
+ */
+ clusters_add += 1;
+ credits += ocfs2_blocks_per_xattr_bucket(inode->i_sb);
+ if (OCFS2_XATTR_BUCKET_SIZE ==
+ OCFS2_SB(inode->i_sb)->s_clustersize) {
+ credits += ocfs2_blocks_per_xattr_bucket(inode->i_sb);
+ clusters_add += 1;
+ }
+ } else {
+ meta_add += 1;
+ credits += OCFS2_XATTR_BLOCK_CREATE_CREDITS;
+ }
+out:
+ if (clusters_need)
+ *clusters_need = clusters_add;
+ if (meta_need)
+ *meta_need = meta_add;
+ if (credits_need)
+ *credits_need = credits;
+ brelse(bh);
+ return ret;
+}
+
+static int ocfs2_init_xattr_set_ctxt(struct inode *inode,
+ struct ocfs2_dinode *di,
+ struct ocfs2_xattr_info *xi,
+ struct ocfs2_xattr_search *xis,
+ struct ocfs2_xattr_search *xbs,
+ struct ocfs2_xattr_set_ctxt *ctxt,
+ int *credits)
+{
+ int clusters_add, meta_add, ret;
+ struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
+
+ memset(ctxt, 0, sizeof(struct ocfs2_xattr_set_ctxt));
+
+ ocfs2_init_dealloc_ctxt(&ctxt->dealloc);
+
+ ret = ocfs2_calc_xattr_set_need(inode, di, xi, xis, xbs,
+ &clusters_add, &meta_add, credits);
+ if (ret) {
+ mlog_errno(ret);
+ return ret;
+ }
+
+ mlog(0, "Set xattr %s, reserve meta blocks = %d, clusters = %d, "
+ "credits = %d\n", xi->name, meta_add, clusters_add, *credits);
+
+ if (meta_add) {
+ ret = ocfs2_reserve_new_metadata_blocks(osb, meta_add,
+ &ctxt->meta_ac);
+ if (ret) {
+ mlog_errno(ret);
+ goto out;
+ }
+ }
+
+ if (clusters_add) {
+ ret = ocfs2_reserve_clusters(osb, clusters_add, &ctxt->data_ac);
+ if (ret)
+ mlog_errno(ret);
+ }
+out:
+ if (ret) {
+ if (ctxt->meta_ac) {
+ ocfs2_free_alloc_context(ctxt->meta_ac);
+ ctxt->meta_ac = NULL;
+ }
+
+ /*
+ * We cannot have an error and a non null ctxt->data_ac.
+ */
+ }
+
+ return ret;
+}
+
+static int __ocfs2_xattr_set_handle(struct inode *inode,
+ struct ocfs2_dinode *di,
+ struct ocfs2_xattr_info *xi,
+ struct ocfs2_xattr_search *xis,
+ struct ocfs2_xattr_search *xbs,
+ struct ocfs2_xattr_set_ctxt *ctxt)
+{
+ int ret = 0, credits;
+
+ if (!xi->value) {
+ /* Remove existing extended attribute */
+ if (!xis->not_found)
+ ret = ocfs2_xattr_ibody_set(inode, xi, xis, ctxt);
+ else if (!xbs->not_found)
+ ret = ocfs2_xattr_block_set(inode, xi, xbs, ctxt);
+ } else {
+ /* We always try to set extended attribute into inode first*/
+ ret = ocfs2_xattr_ibody_set(inode, xi, xis, ctxt);
+ if (!ret && !xbs->not_found) {
+ /*
+ * If succeed and that extended attribute existing in
+ * external block, then we will remove it.
+ */
+ xi->value = NULL;
+ xi->value_len = 0;
+
+ xis->not_found = -ENODATA;
+ ret = ocfs2_calc_xattr_set_need(inode,
+ di,
+ xi,
+ xis,
+ xbs,
+ NULL,
+ NULL,
+ &credits);
+ if (ret) {
+ mlog_errno(ret);
+ goto out;
+ }
+
+ ret = ocfs2_extend_trans(ctxt->handle, credits +
+ ctxt->handle->h_buffer_credits);
+ if (ret) {
+ mlog_errno(ret);
+ goto out;
+ }
+ ret = ocfs2_xattr_block_set(inode, xi, xbs, ctxt);
+ } else if (ret == -ENOSPC) {
+ if (di->i_xattr_loc && !xbs->xattr_bh) {
+ ret = ocfs2_xattr_block_find(inode,
+ xi->name_index,
+ xi->name, xbs);
+ if (ret)
+ goto out;
+
+ xis->not_found = -ENODATA;
+ ret = ocfs2_calc_xattr_set_need(inode,
+ di,
+ xi,
+ xis,
+ xbs,
+ NULL,
+ NULL,
+ &credits);
+ if (ret) {
+ mlog_errno(ret);
+ goto out;
+ }
+
+ ret = ocfs2_extend_trans(ctxt->handle, credits +
+ ctxt->handle->h_buffer_credits);
+ if (ret) {
+ mlog_errno(ret);
+ goto out;
+ }
+ }
+ /*
+ * If no space in inode, we will set extended attribute
+ * into external block.
+ */
+ ret = ocfs2_xattr_block_set(inode, xi, xbs, ctxt);
+ if (ret)
+ goto out;
+ if (!xis->not_found) {
+ /*
+ * If succeed and that extended attribute
+ * existing in inode, we will remove it.
+ */
+ xi->value = NULL;
+ xi->value_len = 0;
+ xbs->not_found = -ENODATA;
+ ret = ocfs2_calc_xattr_set_need(inode,
+ di,
+ xi,
+ xis,
+ xbs,
+ NULL,
+ NULL,
+ &credits);
+ if (ret) {
+ mlog_errno(ret);
+ goto out;
+ }
+
+ ret = ocfs2_extend_trans(ctxt->handle, credits +
+ ctxt->handle->h_buffer_credits);
+ if (ret) {
+ mlog_errno(ret);
+ goto out;
+ }
+ ret = ocfs2_xattr_ibody_set(inode, xi,
+ xis, ctxt);
+ }
}
+ }
- new_bh = sb_getblk(inode->i_sb, first_blkno);
- ocfs2_set_new_buffer_uptodate(inode, new_bh);
+out:
+ return ret;
+}
- ret = ocfs2_journal_access(handle, inode, new_bh,
- OCFS2_JOURNAL_ACCESS_CREATE);
- if (ret < 0) {
- mlog_errno(ret);
- goto out_commit;
- }
+/*
+ * This function only called duing creating inode
+ * for init security/acl xattrs of the new inode.
+ * The xattrs could be put into ibody or extent block,
+ * xattr bucket would not be use in this case.
+ * transanction credits also be reserved in here.
+ */
+int ocfs2_xattr_set_handle(handle_t *handle,
+ struct inode *inode,
+ struct buffer_head *di_bh,
+ int name_index,
+ const char *name,
+ const void *value,
+ size_t value_len,
+ int flags,
+ struct ocfs2_alloc_context *meta_ac,
+ struct ocfs2_alloc_context *data_ac)
+{
+ struct ocfs2_dinode *di;
+ int ret;
- /* Initialize ocfs2_xattr_block */
- xs->xattr_bh = new_bh;
- xblk = (struct ocfs2_xattr_block *)new_bh->b_data;
- memset(xblk, 0, inode->i_sb->s_blocksize);
- strcpy((void *)xblk, OCFS2_XATTR_BLOCK_SIGNATURE);
- xblk->xb_suballoc_slot = cpu_to_le16(osb->slot_num);
- xblk->xb_suballoc_bit = cpu_to_le16(suballoc_bit_start);
- xblk->xb_fs_generation = cpu_to_le32(osb->fs_generation);
- xblk->xb_blkno = cpu_to_le64(first_blkno);
+ struct ocfs2_xattr_info xi = {
+ .name_index = name_index,
+ .name = name,
+ .value = value,
+ .value_len = value_len,
+ };
- xs->header = &xblk->xb_attrs.xb_header;
- xs->base = (void *)xs->header;
- xs->end = (void *)xblk + inode->i_sb->s_blocksize;
- xs->here = xs->header->xh_entries;
+ struct ocfs2_xattr_search xis = {
+ .not_found = -ENODATA,
+ };
+ struct ocfs2_xattr_search xbs = {
+ .not_found = -ENODATA,
+ };
- ret = ocfs2_journal_dirty(handle, new_bh);
- if (ret < 0) {
- mlog_errno(ret);
- goto out_commit;
- }
- di->i_xattr_loc = cpu_to_le64(first_blkno);
- ret = ocfs2_journal_dirty(handle, xs->inode_bh);
- if (ret < 0)
- mlog_errno(ret);
-out_commit:
- ocfs2_commit_trans(osb, handle);
-out:
- if (meta_ac)
- ocfs2_free_alloc_context(meta_ac);
- if (ret < 0)
- return ret;
- } else
- xblk = (struct ocfs2_xattr_block *)xs->xattr_bh->b_data;
+ struct ocfs2_xattr_set_ctxt ctxt = {
+ .handle = handle,
+ .meta_ac = meta_ac,
+ .data_ac = data_ac,
+ };
- if (!(le16_to_cpu(xblk->xb_flags) & OCFS2_XATTR_INDEXED)) {
- /* Set extended attribute into external block */
- ret = ocfs2_xattr_set_entry(inode, xi, xs, OCFS2_HAS_XATTR_FL);
- if (!ret || ret != -ENOSPC)
- goto end;
+ if (!ocfs2_supports_xattr(OCFS2_SB(inode->i_sb)))
+ return -EOPNOTSUPP;
+
+ xis.inode_bh = xbs.inode_bh = di_bh;
+ di = (struct ocfs2_dinode *)di_bh->b_data;
- ret = ocfs2_xattr_create_index_block(inode, xs);
+ down_write(&OCFS2_I(inode)->ip_xattr_sem);
+
+ ret = ocfs2_xattr_ibody_find(inode, name_index, name, &xis);
+ if (ret)
+ goto cleanup;
+ if (xis.not_found) {
+ ret = ocfs2_xattr_block_find(inode, name_index, name, &xbs);
if (ret)
- goto end;
+ goto cleanup;
}
- ret = ocfs2_xattr_set_entry_index_block(inode, xi, xs);
+ ret = __ocfs2_xattr_set_handle(inode, di, &xi, &xis, &xbs, &ctxt);
-end:
+cleanup:
+ up_write(&OCFS2_I(inode)->ip_xattr_sem);
+ brelse(xbs.xattr_bh);
return ret;
}
{
struct buffer_head *di_bh = NULL;
struct ocfs2_dinode *di;
- int ret;
+ int ret, credits;
+ struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
+ struct inode *tl_inode = osb->osb_tl_inode;
+ struct ocfs2_xattr_set_ctxt ctxt = { NULL, NULL, };
struct ocfs2_xattr_info xi = {
.name_index = name_index,
goto cleanup;
}
- if (!value) {
- /* Remove existing extended attribute */
- if (!xis.not_found)
- ret = ocfs2_xattr_ibody_set(inode, &xi, &xis);
- else if (!xbs.not_found)
- ret = ocfs2_xattr_block_set(inode, &xi, &xbs);
- } else {
- /* We always try to set extended attribute into inode first*/
- ret = ocfs2_xattr_ibody_set(inode, &xi, &xis);
- if (!ret && !xbs.not_found) {
- /*
- * If succeed and that extended attribute existing in
- * external block, then we will remove it.
- */
- xi.value = NULL;
- xi.value_len = 0;
- ret = ocfs2_xattr_block_set(inode, &xi, &xbs);
- } else if (ret == -ENOSPC) {
- if (di->i_xattr_loc && !xbs.xattr_bh) {
- ret = ocfs2_xattr_block_find(inode, name_index,
- name, &xbs);
- if (ret)
- goto cleanup;
- }
- /*
- * If no space in inode, we will set extended attribute
- * into external block.
- */
- ret = ocfs2_xattr_block_set(inode, &xi, &xbs);
- if (ret)
- goto cleanup;
- if (!xis.not_found) {
- /*
- * If succeed and that extended attribute
- * existing in inode, we will remove it.
- */
- xi.value = NULL;
- xi.value_len = 0;
- ret = ocfs2_xattr_ibody_set(inode, &xi, &xis);
- }
+
+ mutex_lock(&tl_inode->i_mutex);
+
+ if (ocfs2_truncate_log_needs_flush(osb)) {
+ ret = __ocfs2_flush_truncate_log(osb);
+ if (ret < 0) {
+ mutex_unlock(&tl_inode->i_mutex);
+ mlog_errno(ret);
+ goto cleanup;
}
}
+ mutex_unlock(&tl_inode->i_mutex);
+
+ ret = ocfs2_init_xattr_set_ctxt(inode, di, &xi, &xis,
+ &xbs, &ctxt, &credits);
+ if (ret) {
+ mlog_errno(ret);
+ goto cleanup;
+ }
+
+ ctxt.handle = ocfs2_start_trans(osb, credits);
+ if (IS_ERR(ctxt.handle)) {
+ ret = PTR_ERR(ctxt.handle);
+ mlog_errno(ret);
+ goto cleanup;
+ }
+
+ ret = __ocfs2_xattr_set_handle(inode, di, &xi, &xis, &xbs, &ctxt);
+
+ ocfs2_commit_trans(osb, ctxt.handle);
+
+ if (ctxt.data_ac)
+ ocfs2_free_alloc_context(ctxt.data_ac);
+ if (ctxt.meta_ac)
+ ocfs2_free_alloc_context(ctxt.meta_ac);
+ if (ocfs2_dealloc_has_cluster(&ctxt.dealloc))
+ ocfs2_schedule_truncate_log_flush(osb, 1);
+ ocfs2_run_deallocs(osb, &ctxt.dealloc);
cleanup:
up_write(&OCFS2_I(inode)->ip_xattr_sem);
ocfs2_inode_unlock(inode, 1);
}
static int ocfs2_xattr_create_index_block(struct inode *inode,
- struct ocfs2_xattr_search *xs)
+ struct ocfs2_xattr_search *xs,
+ struct ocfs2_xattr_set_ctxt *ctxt)
{
- int ret, credits = OCFS2_SUBALLOC_ALLOC;
+ int ret;
u32 bit_off, len;
u64 blkno;
- handle_t *handle;
+ handle_t *handle = ctxt->handle;
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
struct ocfs2_inode_info *oi = OCFS2_I(inode);
- struct ocfs2_alloc_context *data_ac;
struct buffer_head *xb_bh = xs->xattr_bh;
struct ocfs2_xattr_block *xb =
(struct ocfs2_xattr_block *)xb_bh->b_data;
BUG_ON(xb_flags & OCFS2_XATTR_INDEXED);
BUG_ON(!xs->bucket);
- ret = ocfs2_reserve_clusters(osb, 1, &data_ac);
- if (ret) {
- mlog_errno(ret);
- goto out;
- }
-
/*
* XXX:
* We can use this lock for now, and maybe move to a dedicated mutex
*/
down_write(&oi->ip_alloc_sem);
- /*
- * We need more credits. One for the xattr block update and one
- * for each block of the new xattr bucket.
- */
- credits += 1 + ocfs2_blocks_per_xattr_bucket(inode->i_sb);
- handle = ocfs2_start_trans(osb, credits);
- if (IS_ERR(handle)) {
- ret = PTR_ERR(handle);
- mlog_errno(ret);
- goto out_sem;
- }
-
ret = ocfs2_journal_access(handle, inode, xb_bh,
OCFS2_JOURNAL_ACCESS_WRITE);
if (ret) {
mlog_errno(ret);
- goto out_commit;
+ goto out;
}
- ret = ocfs2_claim_clusters(osb, handle, data_ac, 1, &bit_off, &len);
+ ret = __ocfs2_claim_clusters(osb, handle, ctxt->data_ac,
+ 1, 1, &bit_off, &len);
if (ret) {
mlog_errno(ret);
- goto out_commit;
+ goto out;
}
/*
ret = ocfs2_init_xattr_bucket(xs->bucket, blkno);
if (ret) {
mlog_errno(ret);
- goto out_commit;
+ goto out;
}
ret = ocfs2_xattr_bucket_journal_access(handle, xs->bucket,
OCFS2_JOURNAL_ACCESS_CREATE);
if (ret) {
mlog_errno(ret);
- goto out_commit;
+ goto out;
}
ocfs2_cp_xattr_block_to_bucket(inode, xb_bh, xs->bucket);
xb->xb_flags = cpu_to_le16(xb_flags | OCFS2_XATTR_INDEXED);
- ret = ocfs2_journal_dirty(handle, xb_bh);
- if (ret) {
- mlog_errno(ret);
- goto out_commit;
- }
-
-out_commit:
- ocfs2_commit_trans(osb, handle);
-
-out_sem:
- up_write(&oi->ip_alloc_sem);
+ ocfs2_journal_dirty(handle, xb_bh);
out:
- if (data_ac)
- ocfs2_free_alloc_context(data_ac);
+ up_write(&oi->ip_alloc_sem);
return ret;
}
* so that we can spare some space for insertion.
*/
static int ocfs2_defrag_xattr_bucket(struct inode *inode,
+ handle_t *handle,
struct ocfs2_xattr_bucket *bucket)
{
int ret, i;
u64 blkno = bucket_blkno(bucket);
u16 xh_free_start;
size_t blocksize = inode->i_sb->s_blocksize;
- handle_t *handle;
struct ocfs2_xattr_entry *xe;
/*
for (i = 0; i < bucket->bu_blocks; i++, buf += blocksize)
memcpy(buf, bucket_block(bucket, i), blocksize);
- handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)), bucket->bu_blocks);
- if (IS_ERR(handle)) {
- ret = PTR_ERR(handle);
- handle = NULL;
- mlog_errno(ret);
- goto out;
- }
-
ret = ocfs2_xattr_bucket_journal_access(handle, bucket,
OCFS2_JOURNAL_ACCESS_WRITE);
if (ret < 0) {
mlog_errno(ret);
- goto commit;
+ goto out;
}
xh = (struct ocfs2_xattr_header *)bucket_buf;
"bucket %llu\n", (unsigned long long)blkno);
if (xh_free_start == end)
- goto commit;
+ goto out;
memset(bucket_buf + xh_free_start, 0, end - xh_free_start);
xh->xh_free_start = cpu_to_le16(end);
memcpy(bucket_block(bucket, i), buf, blocksize);
ocfs2_xattr_bucket_journal_dirty(handle, bucket);
-commit:
- ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle);
out:
kfree(bucket_buf);
return ret;
* 1 more for the update of the 1st bucket of the previous
* extent record.
*/
- credits = bpc / 2 + 1;
+ credits = bpc / 2 + 1 + handle->h_buffer_credits;
ret = ocfs2_extend_trans(handle, credits);
if (ret) {
mlog_errno(ret);
* We need to update the new cluster and 1 more for the update of
* the 1st bucket of the previous extent rec.
*/
- credits = bpc + 1;
+ credits = bpc + 1 + handle->h_buffer_credits;
ret = ocfs2_extend_trans(handle, credits);
if (ret) {
mlog_errno(ret);
u32 *first_hash)
{
u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
- int ret, credits = 2 * blk_per_bucket;
+ int ret, credits = 2 * blk_per_bucket + handle->h_buffer_credits;
BUG_ON(OCFS2_XATTR_BUCKET_SIZE < OCFS2_SB(inode->i_sb)->s_clustersize);
u32 *num_clusters,
u32 prev_cpos,
u64 prev_blkno,
- int *extend)
+ int *extend,
+ struct ocfs2_xattr_set_ctxt *ctxt)
{
- int ret, credits;
+ int ret;
u16 bpc = ocfs2_clusters_to_blocks(inode->i_sb, 1);
u32 prev_clusters = *num_clusters;
u32 clusters_to_add = 1, bit_off, num_bits, v_start = 0;
u64 block;
- handle_t *handle = NULL;
- struct ocfs2_alloc_context *data_ac = NULL;
- struct ocfs2_alloc_context *meta_ac = NULL;
+ handle_t *handle = ctxt->handle;
struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
struct ocfs2_extent_tree et;
ocfs2_init_xattr_tree_extent_tree(&et, inode, root_bh);
- ret = ocfs2_lock_allocators(inode, &et, clusters_to_add, 0,
- &data_ac, &meta_ac);
- if (ret) {
- mlog_errno(ret);
- goto leave;
- }
-
- credits = ocfs2_calc_extend_credits(osb->sb, et.et_root_el,
- clusters_to_add);
- handle = ocfs2_start_trans(osb, credits);
- if (IS_ERR(handle)) {
- ret = PTR_ERR(handle);
- handle = NULL;
- mlog_errno(ret);
- goto leave;
- }
-
ret = ocfs2_journal_access(handle, inode, root_bh,
OCFS2_JOURNAL_ACCESS_WRITE);
if (ret < 0) {
goto leave;
}
- ret = __ocfs2_claim_clusters(osb, handle, data_ac, 1,
+ ret = __ocfs2_claim_clusters(osb, handle, ctxt->data_ac, 1,
clusters_to_add, &bit_off, &num_bits);
if (ret < 0) {
if (ret != -ENOSPC)
}
}
- if (handle->h_buffer_credits < credits) {
- /*
- * The journal has been restarted before, and don't
- * have enough space for the insertion, so extend it
- * here.
- */
- ret = ocfs2_extend_trans(handle, credits);
- if (ret) {
- mlog_errno(ret);
- goto leave;
- }
- }
mlog(0, "Insert %u clusters at block %llu for xattr at %u\n",
num_bits, (unsigned long long)block, v_start);
ret = ocfs2_insert_extent(osb, handle, inode, &et, v_start, block,
- num_bits, 0, meta_ac);
+ num_bits, 0, ctxt->meta_ac);
if (ret < 0) {
mlog_errno(ret);
goto leave;
}
ret = ocfs2_journal_dirty(handle, root_bh);
- if (ret < 0) {
+ if (ret < 0)
mlog_errno(ret);
- goto leave;
- }
leave:
- if (handle)
- ocfs2_commit_trans(osb, handle);
- if (data_ac)
- ocfs2_free_alloc_context(data_ac);
- if (meta_ac)
- ocfs2_free_alloc_context(meta_ac);
-
return ret;
}
* We meet with start_bh. Only move half of the xattrs to the bucket after it.
*/
static int ocfs2_extend_xattr_bucket(struct inode *inode,
+ handle_t *handle,
struct buffer_head *first_bh,
struct buffer_head *start_bh,
u32 num_clusters)
u16 blk_per_bucket = ocfs2_blocks_per_xattr_bucket(inode->i_sb);
u64 start_blk = start_bh->b_blocknr, end_blk;
u32 num_buckets = num_clusters * ocfs2_xattr_buckets_per_cluster(osb);
- handle_t *handle;
struct ocfs2_xattr_header *first_xh =
(struct ocfs2_xattr_header *)first_bh->b_data;
u16 bucket = le16_to_cpu(first_xh->xh_num_buckets);
* We will touch all the buckets after the start_bh(include it).
* Then we add one more bucket.
*/
- credits = end_blk - start_blk + 3 * blk_per_bucket + 1;
- handle = ocfs2_start_trans(osb, credits);
- if (IS_ERR(handle)) {
- ret = PTR_ERR(handle);
- handle = NULL;
+ credits = end_blk - start_blk + 3 * blk_per_bucket + 1 +
+ handle->h_buffer_credits;
+ ret = ocfs2_extend_trans(handle, credits);
+ if (ret) {
mlog_errno(ret);
goto out;
}
OCFS2_JOURNAL_ACCESS_WRITE);
if (ret) {
mlog_errno(ret);
- goto commit;
+ goto out;
}
while (end_blk != start_blk) {
ret = ocfs2_cp_xattr_bucket(inode, handle, end_blk,
end_blk + blk_per_bucket, 0);
if (ret)
- goto commit;
+ goto out;
end_blk -= blk_per_bucket;
}
le16_add_cpu(&first_xh->xh_num_buckets, 1);
ocfs2_journal_dirty(handle, first_bh);
-commit:
- ocfs2_commit_trans(osb, handle);
out:
return ret;
}
*/
static int ocfs2_add_new_xattr_bucket(struct inode *inode,
struct buffer_head *xb_bh,
- struct buffer_head *header_bh)
+ struct buffer_head *header_bh,
+ struct ocfs2_xattr_set_ctxt *ctxt)
{
struct ocfs2_xattr_header *first_xh = NULL;
struct buffer_head *first_bh = NULL;
&num_clusters,
e_cpos,
p_blkno,
- &extend);
+ &extend,
+ ctxt);
if (ret) {
mlog_errno(ret);
goto out;
if (extend)
ret = ocfs2_extend_xattr_bucket(inode,
+ ctxt->handle,
first_bh,
header_bh,
num_clusters);
* space for the xattr insertion.
*/
static int ocfs2_xattr_set_entry_in_bucket(struct inode *inode,
+ handle_t *handle,
struct ocfs2_xattr_info *xi,
struct ocfs2_xattr_search *xs,
u32 name_hash,
int local)
{
int ret;
- handle_t *handle = NULL;
- struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
u64 blkno;
mlog(0, "Set xattr entry len = %lu index = %d in bucket %llu\n",
}
}
- handle = ocfs2_start_trans(osb, xs->bucket->bu_blocks);
- if (IS_ERR(handle)) {
- ret = PTR_ERR(handle);
- handle = NULL;
- mlog_errno(ret);
- goto out;
- }
-
ret = ocfs2_xattr_bucket_journal_access(handle, xs->bucket,
OCFS2_JOURNAL_ACCESS_WRITE);
if (ret < 0) {
ocfs2_xattr_bucket_journal_dirty(handle, xs->bucket);
out:
- ocfs2_commit_trans(osb, handle);
-
return ret;
}
static int ocfs2_xattr_value_update_size(struct inode *inode,
+ handle_t *handle,
struct buffer_head *xe_bh,
struct ocfs2_xattr_entry *xe,
u64 new_size)
{
int ret;
- struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
- handle_t *handle = NULL;
-
- handle = ocfs2_start_trans(osb, 1);
- if (IS_ERR(handle)) {
- ret = -ENOMEM;
- mlog_errno(ret);
- goto out;
- }
ret = ocfs2_journal_access(handle, inode, xe_bh,
OCFS2_JOURNAL_ACCESS_WRITE);
if (ret < 0) {
mlog_errno(ret);
- goto out_commit;
+ goto out;
}
xe->xe_value_size = cpu_to_le64(new_size);
if (ret < 0)
mlog_errno(ret);
-out_commit:
- ocfs2_commit_trans(osb, handle);
out:
return ret;
}
static int ocfs2_xattr_bucket_value_truncate(struct inode *inode,
struct buffer_head *header_bh,
int xe_off,
- int len)
+ int len,
+ struct ocfs2_xattr_set_ctxt *ctxt)
{
int ret, offset;
u64 value_blk;
mlog(0, "truncate %u in xattr bucket %llu to %d bytes.\n",
xe_off, (unsigned long long)header_bh->b_blocknr, len);
- ret = ocfs2_xattr_value_truncate(inode, value_bh, xv, len);
+ ret = ocfs2_xattr_value_truncate(inode, value_bh, xv, len, ctxt);
if (ret) {
mlog_errno(ret);
goto out;
}
- ret = ocfs2_xattr_value_update_size(inode, header_bh, xe, len);
+ ret = ocfs2_xattr_value_update_size(inode, ctxt->handle,
+ header_bh, xe, len);
if (ret) {
mlog_errno(ret);
goto out;
}
static int ocfs2_xattr_bucket_value_truncate_xs(struct inode *inode,
- struct ocfs2_xattr_search *xs,
- int len)
+ struct ocfs2_xattr_search *xs,
+ int len,
+ struct ocfs2_xattr_set_ctxt *ctxt)
{
int ret, offset;
struct ocfs2_xattr_entry *xe = xs->here;
offset = xe - xh->xh_entries;
ret = ocfs2_xattr_bucket_value_truncate(inode, xs->bucket->bu_bhs[0],
- offset, len);
+ offset, len, ctxt);
if (ret)
mlog_errno(ret);
}
static int ocfs2_xattr_bucket_set_value_outside(struct inode *inode,
+ handle_t *handle,
struct ocfs2_xattr_search *xs,
char *val,
int value_len)
xv = (struct ocfs2_xattr_value_root *)(xs->base + offset);
- return __ocfs2_xattr_set_value_outside(inode, xv, val, value_len);
+ return __ocfs2_xattr_set_value_outside(inode, handle,
+ xv, val, value_len);
}
static int ocfs2_rm_xattr_cluster(struct inode *inode,
}
static void ocfs2_xattr_bucket_remove_xs(struct inode *inode,
+ handle_t *handle,
struct ocfs2_xattr_search *xs)
{
- handle_t *handle = NULL;
struct ocfs2_xattr_header *xh = bucket_xh(xs->bucket);
struct ocfs2_xattr_entry *last = &xh->xh_entries[
le16_to_cpu(xh->xh_count) - 1];
int ret = 0;
- handle = ocfs2_start_trans((OCFS2_SB(inode->i_sb)),
- ocfs2_blocks_per_xattr_bucket(inode->i_sb));
- if (IS_ERR(handle)) {
- ret = PTR_ERR(handle);
- mlog_errno(ret);
- return;
- }
-
ret = ocfs2_xattr_bucket_journal_access(handle, xs->bucket,
OCFS2_JOURNAL_ACCESS_WRITE);
if (ret) {
mlog_errno(ret);
- goto out_commit;
+ return;
}
/* Remove the old entry. */
le16_add_cpu(&xh->xh_count, -1);
ocfs2_xattr_bucket_journal_dirty(handle, xs->bucket);
-
-out_commit:
- ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle);
}
/*
*/
static int ocfs2_xattr_set_in_bucket(struct inode *inode,
struct ocfs2_xattr_info *xi,
- struct ocfs2_xattr_search *xs)
+ struct ocfs2_xattr_search *xs,
+ struct ocfs2_xattr_set_ctxt *ctxt)
{
int ret, local = 1;
size_t value_len;
value_len = 0;
ret = ocfs2_xattr_bucket_value_truncate_xs(inode, xs,
- value_len);
+ value_len,
+ ctxt);
if (ret)
goto out;
xi->value_len = OCFS2_XATTR_ROOT_SIZE;
}
- ret = ocfs2_xattr_set_entry_in_bucket(inode, xi, xs, name_hash, local);
+ ret = ocfs2_xattr_set_entry_in_bucket(inode, ctxt->handle, xi, xs,
+ name_hash, local);
if (ret) {
mlog_errno(ret);
goto out;
/* allocate the space now for the outside block storage. */
ret = ocfs2_xattr_bucket_value_truncate_xs(inode, xs,
- value_len);
+ value_len, ctxt);
if (ret) {
mlog_errno(ret);
* storage and we have allocated xattr already,
* so need to remove it.
*/
- ocfs2_xattr_bucket_remove_xs(inode, xs);
+ ocfs2_xattr_bucket_remove_xs(inode, ctxt->handle, xs);
}
goto out;
}
set_value_outside:
- ret = ocfs2_xattr_bucket_set_value_outside(inode, xs, val, value_len);
+ ret = ocfs2_xattr_bucket_set_value_outside(inode, ctxt->handle,
+ xs, val, value_len);
out:
return ret;
}
static int ocfs2_xattr_set_entry_index_block(struct inode *inode,
struct ocfs2_xattr_info *xi,
- struct ocfs2_xattr_search *xs)
+ struct ocfs2_xattr_search *xs,
+ struct ocfs2_xattr_set_ctxt *ctxt)
{
struct ocfs2_xattr_header *xh;
struct ocfs2_xattr_entry *xe;
* name/value will be moved, the xe shouldn't be changed
* in xs.
*/
- ret = ocfs2_defrag_xattr_bucket(inode, xs->bucket);
+ ret = ocfs2_defrag_xattr_bucket(inode, ctxt->handle,
+ xs->bucket);
if (ret) {
mlog_errno(ret);
goto out;
ret = ocfs2_add_new_xattr_bucket(inode,
xs->xattr_bh,
- xs->bucket->bu_bhs[0]);
+ xs->bucket->bu_bhs[0],
+ ctxt);
if (ret) {
mlog_errno(ret);
goto out;
}
xattr_set:
- ret = ocfs2_xattr_set_in_bucket(inode, xi, xs);
+ ret = ocfs2_xattr_set_in_bucket(inode, xi, xs, ctxt);
out:
mlog_exit(ret);
return ret;
struct ocfs2_xattr_header *xh = bucket_xh(bucket);
u16 i;
struct ocfs2_xattr_entry *xe;
+ struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
+ struct ocfs2_xattr_set_ctxt ctxt = {NULL, NULL,};
+
+ ocfs2_init_dealloc_ctxt(&ctxt.dealloc);
+
+ ctxt.handle = ocfs2_start_trans(osb, OCFS2_REMOVE_EXTENT_CREDITS);
+ if (IS_ERR(ctxt.handle)) {
+ ret = PTR_ERR(ctxt.handle);
+ mlog_errno(ret);
+ goto out;
+ }
for (i = 0; i < le16_to_cpu(xh->xh_count); i++) {
xe = &xh->xh_entries[i];
ret = ocfs2_xattr_bucket_value_truncate(inode,
bucket->bu_bhs[0],
- i, 0);
+ i, 0, &ctxt);
if (ret) {
mlog_errno(ret);
break;
}
}
+ ret = ocfs2_commit_trans(osb, ctxt.handle);
+ ocfs2_schedule_truncate_log_flush(osb, 1);
+ ocfs2_run_deallocs(osb, &ctxt.dealloc);
+out:
return ret;
}
projects / cascardo / linux.git / blobdiff