struct ocfs2_alloc_context *meta_ac;
struct ocfs2_alloc_context *data_ac;
struct ocfs2_cached_dealloc_ctxt dealloc;
+ int set_abort;
};
#define OCFS2_XATTR_ROOT_SIZE (sizeof(struct ocfs2_xattr_def_value_root))
.xv.xr_list.l_count = cpu_to_le16(1),
};
-struct xattr_handler *ocfs2_xattr_handlers[] = {
+const struct xattr_handler *ocfs2_xattr_handlers[] = {
&ocfs2_xattr_user_handler,
&ocfs2_xattr_acl_access_handler,
&ocfs2_xattr_acl_default_handler,
NULL
};
-static struct xattr_handler *ocfs2_xattr_handler_map[OCFS2_XATTR_MAX] = {
+static const struct xattr_handler *ocfs2_xattr_handler_map[OCFS2_XATTR_MAX] = {
[OCFS2_XATTR_INDEX_USER] = &ocfs2_xattr_user_handler,
[OCFS2_XATTR_INDEX_POSIX_ACL_ACCESS]
= &ocfs2_xattr_acl_access_handler,
static inline const char *ocfs2_xattr_prefix(int name_index)
{
- struct xattr_handler *handler = NULL;
+ const struct xattr_handler *handler = NULL;
if (name_index > 0 && name_index < OCFS2_XATTR_MAX)
handler = ocfs2_xattr_handler_map[name_index];
struct ocfs2_xattr_value_buf *vb,
struct ocfs2_xattr_set_ctxt *ctxt)
{
- int status = 0;
+ int status = 0, credits;
handle_t *handle = ctxt->handle;
enum ocfs2_alloc_restarted why;
u32 prev_clusters, logical_start = le32_to_cpu(vb->vb_xv->xr_clusters);
ocfs2_init_xattr_value_extent_tree(&et, INODE_CACHE(inode), vb);
- status = vb->vb_access(handle, INODE_CACHE(inode), vb->vb_bh,
- OCFS2_JOURNAL_ACCESS_WRITE);
- if (status < 0) {
- mlog_errno(status);
- goto leave;
- }
-
- prev_clusters = le32_to_cpu(vb->vb_xv->xr_clusters);
- status = ocfs2_add_clusters_in_btree(handle,
- &et,
- &logical_start,
- clusters_to_add,
- 0,
- ctxt->data_ac,
- ctxt->meta_ac,
- &why);
- if (status < 0) {
- mlog_errno(status);
- goto leave;
- }
+ while (clusters_to_add) {
+ status = vb->vb_access(handle, INODE_CACHE(inode), vb->vb_bh,
+ OCFS2_JOURNAL_ACCESS_WRITE);
+ if (status < 0) {
+ mlog_errno(status);
+ break;
+ }
- status = ocfs2_journal_dirty(handle, vb->vb_bh);
- if (status < 0) {
- mlog_errno(status);
- goto leave;
- }
+ prev_clusters = le32_to_cpu(vb->vb_xv->xr_clusters);
+ status = ocfs2_add_clusters_in_btree(handle,
+ &et,
+ &logical_start,
+ clusters_to_add,
+ 0,
+ ctxt->data_ac,
+ ctxt->meta_ac,
+ &why);
+ if ((status < 0) && (status != -EAGAIN)) {
+ if (status != -ENOSPC)
+ mlog_errno(status);
+ break;
+ }
- clusters_to_add -= le32_to_cpu(vb->vb_xv->xr_clusters) - prev_clusters;
+ ocfs2_journal_dirty(handle, vb->vb_bh);
- /*
- * We should have already allocated enough space before the transaction,
- * so no need to restart.
- */
- BUG_ON(why != RESTART_NONE || clusters_to_add);
+ clusters_to_add -= le32_to_cpu(vb->vb_xv->xr_clusters) -
+ prev_clusters;
-leave:
+ if (why != RESTART_NONE && clusters_to_add) {
+ /*
+ * We can only fail in case the alloc file doesn't give
+ * up enough clusters.
+ */
+ BUG_ON(why == RESTART_META);
+
+ mlog(0, "restarting xattr value extension for %u"
+ " clusters,.\n", clusters_to_add);
+ credits = ocfs2_calc_extend_credits(inode->i_sb,
+ &vb->vb_xv->xr_list,
+ clusters_to_add);
+ status = ocfs2_extend_trans(handle, credits);
+ if (status < 0) {
+ status = -ENOMEM;
+ mlog_errno(status);
+ break;
+ }
+ }
+ }
return status;
}
}
le32_add_cpu(&vb->vb_xv->xr_clusters, -len);
-
- ret = ocfs2_journal_dirty(handle, vb->vb_bh);
- if (ret) {
- mlog_errno(ret);
- goto out;
- }
+ ocfs2_journal_dirty(handle, vb->vb_bh);
if (ext_flags & OCFS2_EXT_REFCOUNTED)
ret = ocfs2_decrease_refcount(inode, handle,
memset(bh->b_data + cp_len, 0,
blocksize - cp_len);
- ret = ocfs2_journal_dirty(handle, bh);
- if (ret < 0) {
- mlog_errno(ret);
- goto out;
- }
+ ocfs2_journal_dirty(handle, bh);
brelse(bh);
bh = NULL;
orig_clusters = ocfs2_xa_value_clusters(loc);
rc = ocfs2_xa_value_truncate(loc, xi->xi_value_len, ctxt);
if (rc < 0) {
- /*
- * If we tried to grow an existing external value,
- * ocfs2_xa_cleanuP-value_truncate() is going to
- * let it stand. We have to restore its original
- * value size.
- */
- loc->xl_entry->xe_value_size = orig_value_size;
+ ctxt->set_abort = 1;
ocfs2_xa_cleanup_value_truncate(loc, "growing",
orig_clusters);
+ /*
+ * If we were growing an existing value,
+ * ocfs2_xa_cleanup_value_truncate() won't remove
+ * the entry. We need to restore the original value
+ * size.
+ */
+ if (loc->xl_entry) {
+ BUG_ON(!orig_value_size);
+ loc->xl_entry->xe_value_size = orig_value_size;
+ }
mlog_errno(rc);
}
}
xb = (struct ocfs2_xattr_block *)blk_bh->b_data;
blk = le64_to_cpu(xb->xb_blkno);
bit = le16_to_cpu(xb->xb_suballoc_bit);
- bg_blkno = ocfs2_which_suballoc_group(blk, bit);
+ if (xb->xb_suballoc_loc)
+ bg_blkno = le64_to_cpu(xb->xb_suballoc_loc);
+ else
+ bg_blkno = ocfs2_which_suballoc_group(blk, bit);
xb_alloc_inode = ocfs2_get_system_file_inode(osb,
EXTENT_ALLOC_SYSTEM_INODE,
di->i_dyn_features = cpu_to_le16(oi->ip_dyn_features);
spin_unlock(&oi->ip_lock);
- ret = ocfs2_journal_dirty(handle, di_bh);
- if (ret < 0)
- mlog_errno(ret);
+ ocfs2_journal_dirty(handle, di_bh);
out_commit:
ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle);
out:
di->i_dyn_features = cpu_to_le16(oi->ip_dyn_features);
spin_unlock(&oi->ip_lock);
- ret = ocfs2_journal_dirty(ctxt->handle, di_bh);
- if (ret < 0)
- mlog_errno(ret);
+ ocfs2_journal_dirty(ctxt->handle, di_bh);
out:
return ret;
int ret;
u16 suballoc_bit_start;
u32 num_got;
- u64 first_blkno;
+ u64 suballoc_loc, first_blkno;
struct ocfs2_dinode *di = (struct ocfs2_dinode *)inode_bh->b_data;
- struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
struct buffer_head *new_bh = NULL;
struct ocfs2_xattr_block *xblk;
goto end;
}
- ret = ocfs2_claim_metadata(osb, ctxt->handle, ctxt->meta_ac, 1,
- &suballoc_bit_start, &num_got,
- &first_blkno);
+ ret = ocfs2_claim_metadata(ctxt->handle, ctxt->meta_ac, 1,
+ &suballoc_loc, &suballoc_bit_start,
+ &num_got, &first_blkno);
if (ret < 0) {
mlog_errno(ret);
goto end;
memset(xblk, 0, inode->i_sb->s_blocksize);
strcpy((void *)xblk, OCFS2_XATTR_BLOCK_SIGNATURE);
xblk->xb_suballoc_slot = cpu_to_le16(ctxt->meta_ac->ac_alloc_slot);
+ xblk->xb_suballoc_loc = cpu_to_le64(suballoc_loc);
xblk->xb_suballoc_bit = cpu_to_le16(suballoc_bit_start);
- xblk->xb_fs_generation = cpu_to_le32(osb->fs_generation);
+ xblk->xb_fs_generation =
+ cpu_to_le32(OCFS2_SB(inode->i_sb)->fs_generation);
xblk->xb_blkno = cpu_to_le64(first_blkno);
if (indexed) {
struct ocfs2_xattr_tree_root *xr = &xblk->xb_attrs.xb_root;
ret = ocfs2_xa_set(&loc, xi, ctxt);
if (!ret)
xs->here = loc.xl_entry;
- else if (ret != -ENOSPC)
+ else if ((ret != -ENOSPC) || ctxt->set_abort)
goto end;
else {
ret = ocfs2_xattr_create_index_block(inode, xs, ctxt);
goto out;
}
- ret = ocfs2_extend_trans(ctxt->handle, credits +
- ctxt->handle->h_buffer_credits);
+ ret = ocfs2_extend_trans(ctxt->handle, credits);
if (ret) {
mlog_errno(ret);
goto out;
}
ret = ocfs2_xattr_block_set(inode, xi, xbs, ctxt);
- } else if (ret == -ENOSPC) {
+ } else if ((ret == -ENOSPC) && !ctxt->set_abort) {
if (di->i_xattr_loc && !xbs->xattr_bh) {
ret = ocfs2_xattr_block_find(inode,
xi->xi_name_index,
goto out;
}
- ret = ocfs2_extend_trans(ctxt->handle, credits +
- ctxt->handle->h_buffer_credits);
+ ret = ocfs2_extend_trans(ctxt->handle, credits);
if (ret) {
mlog_errno(ret);
goto out;
goto out;
}
- ret = ocfs2_extend_trans(ctxt->handle, credits +
- ctxt->handle->h_buffer_credits);
+ ret = ocfs2_extend_trans(ctxt->handle, credits);
if (ret) {
mlog_errno(ret);
goto out;
u32 bit_off, len;
u64 blkno;
handle_t *handle = ctxt->handle;
- struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
struct ocfs2_inode_info *oi = OCFS2_I(inode);
struct buffer_head *xb_bh = xs->xattr_bh;
struct ocfs2_xattr_block *xb =
goto out;
}
- ret = __ocfs2_claim_clusters(osb, handle, ctxt->data_ac,
+ ret = __ocfs2_claim_clusters(handle, ctxt->data_ac,
1, 1, &bit_off, &len);
if (ret) {
mlog_errno(ret);
* We need to update the first bucket of the old extent and all
* the buckets going to the new extent.
*/
- credits = ((num_buckets + 1) * blks_per_bucket) +
- handle->h_buffer_credits;
+ credits = ((num_buckets + 1) * blks_per_bucket);
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 + handle->h_buffer_credits;
+ int ret, credits = 2 * blk_per_bucket;
BUG_ON(OCFS2_XATTR_BUCKET_SIZE < OCFS2_SB(inode->i_sb)->s_clustersize);
goto leave;
}
- ret = __ocfs2_claim_clusters(osb, handle, ctxt->data_ac, 1,
+ ret = __ocfs2_claim_clusters(handle, ctxt->data_ac, 1,
clusters_to_add, &bit_off, &num_bits);
if (ret < 0) {
if (ret != -ENOSPC)
goto leave;
}
- ret = ocfs2_journal_dirty(handle, root_bh);
- if (ret < 0)
- mlog_errno(ret);
+ ocfs2_journal_dirty(handle, root_bh);
leave:
return ret;
* existing bucket. Then we add the last existing bucket, the
* new bucket, and the first bucket (3 * blk_per_bucket).
*/
- credits = (end_blk - target_blk) + (3 * blk_per_bucket) +
- handle->h_buffer_credits;
+ credits = (end_blk - target_blk) + (3 * blk_per_bucket);
ret = ocfs2_extend_trans(handle, credits);
if (ret) {
mlog_errno(ret);
}
le32_add_cpu(&xb->xb_attrs.xb_root.xt_clusters, -len);
-
- ret = ocfs2_journal_dirty(handle, root_bh);
- if (ret) {
- mlog_errno(ret);
- goto out_commit;
- }
+ ocfs2_journal_dirty(handle, root_bh);
ret = ocfs2_truncate_log_append(osb, handle, blkno, len);
if (ret)
goto out;
}
- ret = ocfs2_claim_clusters(osb, handle, data_ac,
+ ret = ocfs2_claim_clusters(handle, data_ac,
len, &p_cluster, &num_clusters);
if (ret) {
mlog_errno(ret);
xattr_ac, data_ac);
}
-struct xattr_handler ocfs2_xattr_security_handler = {
+const struct xattr_handler ocfs2_xattr_security_handler = {
.prefix = XATTR_SECURITY_PREFIX,
.list = ocfs2_xattr_security_list,
.get = ocfs2_xattr_security_get,
name, value, size, flags);
}
-struct xattr_handler ocfs2_xattr_trusted_handler = {
+const struct xattr_handler ocfs2_xattr_trusted_handler = {
.prefix = XATTR_TRUSTED_PREFIX,
.list = ocfs2_xattr_trusted_list,
.get = ocfs2_xattr_trusted_get,
name, value, size, flags);
}
-struct xattr_handler ocfs2_xattr_user_handler = {
+const struct xattr_handler ocfs2_xattr_user_handler = {
.prefix = XATTR_USER_PREFIX,
.list = ocfs2_xattr_user_list,
.get = ocfs2_xattr_user_get,